select * from performance_schema.setup_actors order by USER, HOST, ROLE; HOST USER ROLE ENABLED HISTORY localhost user1 % YES YES localhost user2 % YES YES localhost user3 % YES YES localhost user4 % YES YES select * from performance_schema.setup_objects order by object_type, object_schema, object_name; OBJECT_TYPE OBJECT_SCHEMA OBJECT_NAME ENABLED TIMED TABLE test t1 YES YES TABLE test t2 YES NO TABLE test t3 YES NO select * from performance_schema.setup_consumers; NAME ENABLED events_stages_current YES events_stages_history YES events_stages_history_long YES events_statements_current YES events_statements_history YES events_statements_history_long YES events_transactions_current YES events_transactions_history YES events_transactions_history_long YES events_waits_current YES events_waits_history YES events_waits_history_long YES global_instrumentation YES thread_instrumentation YES statements_digest YES flush tables; truncate performance_schema.objects_summary_global_by_type; truncate performance_schema.table_io_waits_summary_by_index_usage; truncate performance_schema.table_io_waits_summary_by_table; truncate performance_schema.table_lock_waits_summary_by_table; truncate performance_schema.events_waits_summary_by_thread_by_event_name; truncate performance_schema.events_waits_summary_by_account_by_event_name; truncate performance_schema.events_waits_summary_by_user_by_event_name; truncate performance_schema.events_waits_summary_by_host_by_event_name; truncate performance_schema.events_waits_summary_global_by_event_name; truncate performance_schema.events_waits_history_long; "================== Step 1 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star execute dump_waits_user; user event_name count_star execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 0 localhost wait/lock/table/sql/handler 0 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 0 wait/lock/table/sql/handler 0 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 0 0 0 0 0 0 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 0 0 0 0 0 0 0 TABLE test t3 index_b 0 0 0 0 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 0 0 0 0 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 0 0 0 0 0 0 0 TABLE test t2 0 0 0 0 0 0 0 TABLE test t3 0 0 0 0 0 0 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 0 0 0 0 0 0 0 0 0 0 TABLE test t2 0 0 0 0 0 0 0 0 0 0 TABLE test t3 0 0 0 0 0 0 0 0 0 0 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 0 TABLE test t2 0 TABLE test t3 0 connect con1, localhost, user1, , ; select concat(current_user(), " is connected") as status; status user1@localhost is connected connection default; "================== Step 2 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 0 user1 wait/lock/table/sql/handler 0 username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 0 user1 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 0 user1 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 0 localhost wait/lock/table/sql/handler 0 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 0 wait/lock/table/sql/handler 0 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 0 0 0 0 0 0 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 0 0 0 0 0 0 0 TABLE test t3 index_b 0 0 0 0 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 0 0 0 0 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 0 0 0 0 0 0 0 TABLE test t2 0 0 0 0 0 0 0 TABLE test t3 0 0 0 0 0 0 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 0 0 0 0 0 0 0 0 0 0 TABLE test t2 0 0 0 0 0 0 0 0 0 0 TABLE test t3 0 0 0 0 0 0 0 0 0 0 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 0 TABLE test t2 0 TABLE test t3 0 connection con1; insert into test.t1 set a=101, b=1, c=1; insert into test.t2 set a=102, b=2, c=2; insert into test.t2 set a=103, b=3, c=3; insert into test.t3 set a=104, b=4, c=4; insert into test.t3 set a=105, b=5, c=5; insert into test.t3 set a=106, b=6, c=6; select * from test.t1; a b c d 101 1 1 0 select * from test.t2; a b c d 102 2 2 0 103 3 3 0 select * from test.t3; a b c d 104 4 4 0 105 5 5 0 106 6 6 0 update test.t1 set d=d+1; update test.t2 set d=d+1; update test.t3 set d=d+1; update test.t1 set d=d+1 where a=101; update test.t2 set d=d+1 where a=101; update test.t3 set d=d+1 where a=101; select * from test.t1 force index(index_b) where b=5; a b c d select * from test.t2 force index(index_b) where b=5; a b c d select * from test.t3 force index(index_b) where b=5; a b c d 105 5 5 1 connection default; "================== Step 3-A ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 33 localhost wait/lock/table/sql/handler 36 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 33 wait/lock/table/sql/handler 36 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 8 TABLE test t1 wait/lock/table/sql/handler 10 TABLE test t1 wait/io/table/sql/handler 10 TABLE test t2 wait/lock/table/sql/handler 12 TABLE test t2 wait/io/table/sql/handler 15 TABLE test t3 wait/lock/table/sql/handler 14 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 6 4 2 4 1 1 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 2 1 1 1 0 1 0 TABLE test t2 NULL 9 5 4 5 2 2 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 1 1 0 1 0 0 0 TABLE test t3 NULL 13 7 6 7 3 3 0 TABLE test t3 index_b 1 1 0 1 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 1 1 0 1 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 8 5 3 5 1 2 0 TABLE test t2 10 6 4 6 2 2 0 TABLE test t3 15 9 6 9 3 3 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 10 4 6 2 0 0 0 2 0 3 TABLE test t2 12 4 8 2 0 0 0 2 0 4 TABLE test t3 14 4 10 2 0 0 0 2 0 5 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 18 TABLE test t2 22 TABLE test t3 29 connection con1; flush tables; "================== con1 FLUSH ==================" connection default; "================== Step 3-B ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 33 localhost wait/lock/table/sql/handler 36 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 33 wait/lock/table/sql/handler 36 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 8 TABLE test t1 wait/lock/table/sql/handler 10 TABLE test t1 wait/io/table/sql/handler 10 TABLE test t2 wait/lock/table/sql/handler 12 TABLE test t2 wait/io/table/sql/handler 15 TABLE test t3 wait/lock/table/sql/handler 14 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 6 4 2 4 1 1 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 2 1 1 1 0 1 0 TABLE test t2 NULL 9 5 4 5 2 2 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 1 1 0 1 0 0 0 TABLE test t3 NULL 13 7 6 7 3 3 0 TABLE test t3 index_b 1 1 0 1 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 1 1 0 1 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 8 5 3 5 1 2 0 TABLE test t2 10 6 4 6 2 2 0 TABLE test t3 15 9 6 9 3 3 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 10 4 6 2 0 0 0 2 0 3 TABLE test t2 12 4 8 2 0 0 0 2 0 4 TABLE test t3 14 4 10 2 0 0 0 2 0 5 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 18 TABLE test t2 22 TABLE test t3 29 connect con2, localhost, user2, , ; select concat(current_user(), " is connected") as status; status user2@localhost is connected connection default; "================== Step 4 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username event_name count_star user2 wait/io/table/sql/handler 0 user2 wait/lock/table/sql/handler 0 username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 user2 localhost wait/io/table/sql/handler 0 user2 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 user2 wait/io/table/sql/handler 0 user2 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 33 localhost wait/lock/table/sql/handler 36 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 33 wait/lock/table/sql/handler 36 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 8 TABLE test t1 wait/lock/table/sql/handler 10 TABLE test t1 wait/io/table/sql/handler 10 TABLE test t2 wait/lock/table/sql/handler 12 TABLE test t2 wait/io/table/sql/handler 15 TABLE test t3 wait/lock/table/sql/handler 14 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 6 4 2 4 1 1 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 2 1 1 1 0 1 0 TABLE test t2 NULL 9 5 4 5 2 2 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 1 1 0 1 0 0 0 TABLE test t3 NULL 13 7 6 7 3 3 0 TABLE test t3 index_b 1 1 0 1 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 1 1 0 1 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 8 5 3 5 1 2 0 TABLE test t2 10 6 4 6 2 2 0 TABLE test t3 15 9 6 9 3 3 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 10 4 6 2 0 0 0 2 0 3 TABLE test t2 12 4 8 2 0 0 0 2 0 4 TABLE test t3 14 4 10 2 0 0 0 2 0 5 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 18 TABLE test t2 22 TABLE test t3 29 connection con2; insert into test.t1 set a=201, b=1, c=1; insert into test.t2 set a=202, b=2, c=2; insert into test.t2 set a=203, b=3, c=3; insert into test.t3 set a=204, b=4, c=4; insert into test.t3 set a=205, b=5, c=5; insert into test.t3 set a=206, b=6, c=6; select * from test.t1; a b c d 101 1 1 2 201 1 1 0 select * from test.t2; a b c d 102 2 2 1 103 3 3 1 202 2 2 0 203 3 3 0 select * from test.t3; a b c d 104 4 4 1 105 5 5 1 106 6 6 1 204 4 4 0 205 5 5 0 206 6 6 0 update test.t1 set d=d+1; update test.t2 set d=d+1; update test.t3 set d=d+1; update test.t1 set d=d+1 where a=201; update test.t2 set d=d+1 where a=201; update test.t3 set d=d+1 where a=201; select * from test.t1 force index(index_b) where b=5; a b c d select * from test.t2 force index(index_b) where b=5; a b c d select * from test.t3 force index(index_b) where b=5; a b c d 105 5 5 2 205 5 5 1 connection default; "================== Step 5 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 84 localhost wait/lock/table/sql/handler 72 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 84 wait/lock/table/sql/handler 72 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 18 TABLE test t1 wait/lock/table/sql/handler 20 TABLE test t1 wait/io/table/sql/handler 26 TABLE test t2 wait/lock/table/sql/handler 24 TABLE test t2 wait/io/table/sql/handler 40 TABLE test t3 wait/lock/table/sql/handler 28 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 14 9 5 9 2 3 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 4 2 2 2 0 2 0 TABLE test t2 NULL 24 14 10 14 4 6 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 2 2 0 2 0 0 0 TABLE test t3 NULL 35 20 15 20 6 9 0 TABLE test t3 index_b 3 3 0 3 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 2 2 0 2 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 18 11 7 11 2 5 0 TABLE test t2 26 16 10 16 4 6 0 TABLE test t3 40 25 15 25 6 9 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 20 8 12 4 0 0 0 4 0 6 TABLE test t2 24 8 16 4 0 0 0 4 0 8 TABLE test t3 28 8 20 4 0 0 0 4 0 10 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 38 TABLE test t2 50 TABLE test t3 68 connect con3, localhost, user3, , ; select concat(current_user(), " is connected") as status; status user3@localhost is connected connection default; "================== Step 6 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 0 user3 wait/lock/table/sql/handler 0 username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 0 user3 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 0 user3 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 84 localhost wait/lock/table/sql/handler 72 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 84 wait/lock/table/sql/handler 72 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 18 TABLE test t1 wait/lock/table/sql/handler 20 TABLE test t1 wait/io/table/sql/handler 26 TABLE test t2 wait/lock/table/sql/handler 24 TABLE test t2 wait/io/table/sql/handler 40 TABLE test t3 wait/lock/table/sql/handler 28 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 14 9 5 9 2 3 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 4 2 2 2 0 2 0 TABLE test t2 NULL 24 14 10 14 4 6 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 2 2 0 2 0 0 0 TABLE test t3 NULL 35 20 15 20 6 9 0 TABLE test t3 index_b 3 3 0 3 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 2 2 0 2 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 18 11 7 11 2 5 0 TABLE test t2 26 16 10 16 4 6 0 TABLE test t3 40 25 15 25 6 9 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 20 8 12 4 0 0 0 4 0 6 TABLE test t2 24 8 16 4 0 0 0 4 0 8 TABLE test t3 28 8 20 4 0 0 0 4 0 10 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 38 TABLE test t2 50 TABLE test t3 68 connection con3; insert into test.t1 set a=301, b=1, c=1; insert into test.t2 set a=302, b=2, c=2; insert into test.t2 set a=303, b=3, c=3; insert into test.t3 set a=304, b=4, c=4; insert into test.t3 set a=305, b=5, c=5; insert into test.t3 set a=306, b=6, c=6; select * from test.t1; a b c d 101 1 1 3 201 1 1 2 301 1 1 0 select * from test.t2; a b c d 102 2 2 2 103 3 3 2 202 2 2 1 203 3 3 1 302 2 2 0 303 3 3 0 select * from test.t3; a b c d 104 4 4 2 105 5 5 2 106 6 6 2 204 4 4 1 205 5 5 1 206 6 6 1 304 4 4 0 305 5 5 0 306 6 6 0 update test.t1 set d=d+1; update test.t2 set d=d+1; update test.t3 set d=d+1; update test.t1 set d=d+1 where a=301; update test.t2 set d=d+1 where a=301; update test.t3 set d=d+1 where a=301; select * from test.t1 force index(index_b) where b=5; a b c d select * from test.t2 force index(index_b) where b=5; a b c d select * from test.t3 force index(index_b) where b=5; a b c d 105 5 5 3 205 5 5 2 305 5 5 1 connection default; "================== Step 7 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 154 localhost wait/lock/table/sql/handler 108 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 154 wait/lock/table/sql/handler 108 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 31 TABLE test t1 wait/lock/table/sql/handler 30 TABLE test t1 wait/io/table/sql/handler 48 TABLE test t2 wait/lock/table/sql/handler 36 TABLE test t2 wait/io/table/sql/handler 75 TABLE test t3 wait/lock/table/sql/handler 42 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 25 16 9 16 3 6 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 6 3 3 3 0 3 0 TABLE test t2 NULL 45 27 18 27 6 12 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 3 3 0 3 0 0 0 TABLE test t3 NULL 66 39 27 39 9 18 0 TABLE test t3 index_b 6 6 0 6 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 3 3 0 3 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 31 19 12 19 3 9 0 TABLE test t2 48 30 18 30 6 12 0 TABLE test t3 75 48 27 48 9 18 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 30 12 18 6 0 0 0 6 0 9 TABLE test t2 36 12 24 6 0 0 0 6 0 12 TABLE test t3 42 12 30 6 0 0 0 6 0 15 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 61 TABLE test t2 84 TABLE test t3 117 connect con4, localhost, user4, , ; select concat(current_user(), " is connected") as status; status user4@localhost is connected connection default; "================== Step 8 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 0 user4 wait/lock/table/sql/handler 0 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 0 user4 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 0 user4 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 154 localhost wait/lock/table/sql/handler 108 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 154 wait/lock/table/sql/handler 108 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 31 TABLE test t1 wait/lock/table/sql/handler 30 TABLE test t1 wait/io/table/sql/handler 48 TABLE test t2 wait/lock/table/sql/handler 36 TABLE test t2 wait/io/table/sql/handler 75 TABLE test t3 wait/lock/table/sql/handler 42 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 25 16 9 16 3 6 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 6 3 3 3 0 3 0 TABLE test t2 NULL 45 27 18 27 6 12 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 3 3 0 3 0 0 0 TABLE test t3 NULL 66 39 27 39 9 18 0 TABLE test t3 index_b 6 6 0 6 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 3 3 0 3 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 31 19 12 19 3 9 0 TABLE test t2 48 30 18 30 6 12 0 TABLE test t3 75 48 27 48 9 18 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 30 12 18 6 0 0 0 6 0 9 TABLE test t2 36 12 24 6 0 0 0 6 0 12 TABLE test t3 42 12 30 6 0 0 0 6 0 15 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 61 TABLE test t2 84 TABLE test t3 117 connection con4; insert into test.t1 set a=401, b=1, c=1; insert into test.t2 set a=402, b=2, c=2; insert into test.t2 set a=403, b=3, c=3; insert into test.t3 set a=404, b=4, c=4; insert into test.t3 set a=405, b=5, c=5; insert into test.t3 set a=406, b=6, c=6; select * from test.t1; a b c d 101 1 1 4 201 1 1 3 301 1 1 2 401 1 1 0 select * from test.t2; a b c d 102 2 2 3 103 3 3 3 202 2 2 2 203 3 3 2 302 2 2 1 303 3 3 1 402 2 2 0 403 3 3 0 select * from test.t3; a b c d 104 4 4 3 105 5 5 3 106 6 6 3 204 4 4 2 205 5 5 2 206 6 6 2 304 4 4 1 305 5 5 1 306 6 6 1 404 4 4 0 405 5 5 0 406 6 6 0 update test.t1 set d=d+1; update test.t2 set d=d+1; update test.t3 set d=d+1; update test.t1 set d=d+1 where a=401; update test.t2 set d=d+1 where a=401; update test.t3 set d=d+1 where a=401; select * from test.t1 force index(index_b) where b=5; a b c d select * from test.t2 force index(index_b) where b=5; a b c d select * from test.t3 force index(index_b) where b=5; a b c d 105 5 5 4 205 5 5 3 305 5 5 2 405 5 5 1 connection default; "================== Step 9 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 36 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 36 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 144 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 144 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 40 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 48 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 56 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 40 16 24 8 0 0 0 8 0 12 TABLE test t2 48 16 32 8 0 0 0 8 0 16 TABLE test t3 56 16 40 8 0 0 0 8 0 20 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 87 TABLE test t2 124 TABLE test t3 176 connection con1; lock tables test.t1 read, test.t2 read, test.t3 read; unlock tables; lock tables test.t1 write, test.t2 write, test.t3 write; unlock tables; connection default; "================== Step 10 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 connection default; flush tables; "================== flush marker ==================" "================== Step 11 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 set global read_only=1; set global read_only=0; "================== global read_only marker ==================" "================== Step 12 ==================" call dump_thread(); username event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 disconnect con1; "================== Step 13 ==================" call dump_thread(); username status user1 not found username event_name count_star user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 disconnect con2; "================== Step 14 ==================" call dump_thread(); username status user1 not found username status user2 not found username event_name count_star user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 disconnect con3; "================== Step 15 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username event_name count_star user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 disconnect con4; "================== Step 16 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 connection default; truncate performance_schema.events_waits_summary_by_thread_by_event_name; "================== BY_THREAD truncated ==================" "================== Step 17 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 33 user1 localhost wait/lock/table/sql/handler 48 user2 localhost wait/io/table/sql/handler 51 user2 localhost wait/lock/table/sql/handler 36 user3 localhost wait/io/table/sql/handler 70 user3 localhost wait/lock/table/sql/handler 36 user4 localhost wait/io/table/sql/handler 89 user4 localhost wait/lock/table/sql/handler 36 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 truncate performance_schema.events_waits_summary_by_account_by_event_name; "================== BY_ACCOUNT truncated ==================" "================== Step 18 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 0 user1 localhost wait/lock/table/sql/handler 0 user2 localhost wait/io/table/sql/handler 0 user2 localhost wait/lock/table/sql/handler 0 user3 localhost wait/io/table/sql/handler 0 user3 localhost wait/lock/table/sql/handler 0 user4 localhost wait/io/table/sql/handler 0 user4 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 33 user1 wait/lock/table/sql/handler 48 user2 wait/io/table/sql/handler 51 user2 wait/lock/table/sql/handler 36 user3 wait/io/table/sql/handler 70 user3 wait/lock/table/sql/handler 36 user4 wait/io/table/sql/handler 89 user4 wait/lock/table/sql/handler 36 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 truncate performance_schema.events_waits_summary_by_user_by_event_name; "================== BY_USER truncated ==================" "================== Step 19 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 0 user1 localhost wait/lock/table/sql/handler 0 user2 localhost wait/io/table/sql/handler 0 user2 localhost wait/lock/table/sql/handler 0 user3 localhost wait/io/table/sql/handler 0 user3 localhost wait/lock/table/sql/handler 0 user4 localhost wait/io/table/sql/handler 0 user4 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 0 user1 wait/lock/table/sql/handler 0 user2 wait/io/table/sql/handler 0 user2 wait/lock/table/sql/handler 0 user3 wait/io/table/sql/handler 0 user3 wait/lock/table/sql/handler 0 user4 wait/io/table/sql/handler 0 user4 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 243 localhost wait/lock/table/sql/handler 156 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 truncate performance_schema.events_waits_summary_by_host_by_event_name; "================== BY_HOST truncated ==================" "================== Step 21 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 0 user1 localhost wait/lock/table/sql/handler 0 user2 localhost wait/io/table/sql/handler 0 user2 localhost wait/lock/table/sql/handler 0 user3 localhost wait/io/table/sql/handler 0 user3 localhost wait/lock/table/sql/handler 0 user4 localhost wait/io/table/sql/handler 0 user4 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 0 user1 wait/lock/table/sql/handler 0 user2 wait/io/table/sql/handler 0 user2 wait/lock/table/sql/handler 0 user3 wait/io/table/sql/handler 0 user3 wait/lock/table/sql/handler 0 user4 wait/io/table/sql/handler 0 user4 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 0 localhost wait/lock/table/sql/handler 0 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 243 wait/lock/table/sql/handler 156 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 39 25 14 25 4 10 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 8 4 4 4 0 4 0 TABLE test t2 NULL 72 44 28 44 8 20 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 4 4 0 4 0 0 0 TABLE test t3 NULL 106 64 42 64 12 30 0 TABLE test t3 index_b 10 10 0 10 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 4 4 0 4 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 47 29 18 29 4 14 0 TABLE test t2 76 48 28 48 8 20 0 TABLE test t3 120 78 42 78 12 30 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 44 18 26 8 0 0 1 9 0 13 TABLE test t2 52 18 34 8 0 0 1 9 0 17 TABLE test t3 60 18 42 8 0 0 1 9 0 21 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 91 TABLE test t2 128 TABLE test t3 180 truncate performance_schema.events_waits_summary_global_by_event_name; "================== GLOBAL truncated ==================" "================== Step 21 ==================" call dump_thread(); username status user1 not found username status user2 not found username status user3 not found username status user4 not found execute dump_waits_account; user host event_name count_star user1 localhost wait/io/table/sql/handler 0 user1 localhost wait/lock/table/sql/handler 0 user2 localhost wait/io/table/sql/handler 0 user2 localhost wait/lock/table/sql/handler 0 user3 localhost wait/io/table/sql/handler 0 user3 localhost wait/lock/table/sql/handler 0 user4 localhost wait/io/table/sql/handler 0 user4 localhost wait/lock/table/sql/handler 0 execute dump_waits_user; user event_name count_star user1 wait/io/table/sql/handler 0 user1 wait/lock/table/sql/handler 0 user2 wait/io/table/sql/handler 0 user2 wait/lock/table/sql/handler 0 user3 wait/io/table/sql/handler 0 user3 wait/lock/table/sql/handler 0 user4 wait/io/table/sql/handler 0 user4 wait/lock/table/sql/handler 0 execute dump_waits_host; host event_name count_star localhost wait/io/table/sql/handler 0 localhost wait/lock/table/sql/handler 0 execute dump_waits_global; event_name count_star wait/io/table/sql/handler 0 wait/lock/table/sql/handler 0 execute dump_waits_history; event_name count(event_name) object_type object_schema object_name wait/io/table/sql/handler 47 TABLE test t1 wait/lock/table/sql/handler 44 TABLE test t1 wait/io/table/sql/handler 76 TABLE test t2 wait/lock/table/sql/handler 52 TABLE test t2 wait/io/table/sql/handler 120 TABLE test t3 wait/lock/table/sql/handler 60 TABLE test t3 execute dump_waits_index_io; object_type object_schema object_name index_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 NULL 0 0 0 0 0 0 0 TABLE test t1 index_b 0 0 0 0 0 0 0 TABLE test t1 index_cb 0 0 0 0 0 0 0 TABLE test t1 PRIMARY 0 0 0 0 0 0 0 TABLE test t2 NULL 0 0 0 0 0 0 0 TABLE test t2 index_b 0 0 0 0 0 0 0 TABLE test t2 index_cb 0 0 0 0 0 0 0 TABLE test t2 PRIMARY 0 0 0 0 0 0 0 TABLE test t3 NULL 0 0 0 0 0 0 0 TABLE test t3 index_b 0 0 0 0 0 0 0 TABLE test t3 index_cb 0 0 0 0 0 0 0 TABLE test t3 PRIMARY 0 0 0 0 0 0 0 execute dump_waits_table_io; object_type object_schema object_name count_star count_read count_write count_fetch count_insert count_update count_delete TABLE test t1 0 0 0 0 0 0 0 TABLE test t2 0 0 0 0 0 0 0 TABLE test t3 0 0 0 0 0 0 0 execute dump_waits_table_lock; object_type object_schema object_name count_star count_read count_write count_read_normal count_read_with_shared_locks count_read_high_priority count_read_no_insert count_read_external count_write_low_priority count_write_external TABLE test t1 0 0 0 0 0 0 0 0 0 0 TABLE test t2 0 0 0 0 0 0 0 0 0 0 TABLE test t3 0 0 0 0 0 0 0 0 0 0 execute dump_objects_summary; object_type object_schema object_name count_star TABLE test t1 0 TABLE test t2 0 TABLE test t3 0 show global status like "performance_schema%"; Variable_name Value Performance_schema_accounts_lost 0 Performance_schema_cond_classes_lost 0 Performance_schema_cond_instances_lost 0 Performance_schema_digest_lost 0 Performance_schema_file_classes_lost 0 Performance_schema_file_handles_lost 0 Performance_schema_file_instances_lost 0 Performance_schema_hosts_lost 0 Performance_schema_index_stat_lost 0 Performance_schema_locker_lost 0 Performance_schema_memory_classes_lost 0 Performance_schema_metadata_lock_lost 0 Performance_schema_mutex_classes_lost 0 Performance_schema_mutex_instances_lost 0 Performance_schema_nested_statement_lost 0 Performance_schema_prepared_statements_lost 0 Performance_schema_program_lost 0 Performance_schema_rwlock_classes_lost 0 Performance_schema_rwlock_instances_lost 0 Performance_schema_session_connect_attrs_lost 0 Performance_schema_socket_classes_lost 0 Performance_schema_socket_instances_lost 0 Performance_schema_stage_classes_lost 0 Performance_schema_statement_classes_lost 0 Performance_schema_table_handles_lost 0 Performance_schema_table_instances_lost 0 Performance_schema_table_lock_stat_lost 0 Performance_schema_thread_classes_lost 0 Performance_schema_thread_instances_lost 0 Performance_schema_users_lost 0