call mtr.add_suppression("Allocation failed");
SET @old_debug= @@session.debug;
set @old_thread_cache_size=@@global.thread_cache_size;
set @@global.thread_cache_size=0;
connect con1,localhost,root,,test,,;
select 1;
1
1
disconnect con1;
connection default;
set global debug_dbug='+d,simulate_failed_connection_1';
connect(localhost,root,,test,MASTER_PORT,MASTER_SOCKET);
connect con1,localhost,root,,test,,;
Got one of the listed errors
connection default;
set global debug_dbug=@old_debug;
set global debug_dbug='+d,simulate_failed_connection_2';
connect(localhost,root,,test,MASTER_PORT,MASTER_SOCKET);
connect con1,localhost,root,,test,,;
Got one of the listed errors
connection default;
set global debug_dbug=@old_debug;
connect con1,localhost,root,,test,,;
select 1;
1
1
disconnect con1;
connect con1,localhost,root,,test,$MASTER_EXTRA_PORT,;
select 1;
1
1
disconnect con1;
connection default;
set global debug_dbug='+d,simulate_failed_connection_1';
connect(localhost,root,,test,MASTER_PORT,MASTER_SOCKET);
connect con1,localhost,root,,test,$MASTER_EXTRA_PORT,;
Got one of the listed errors
connection default;
set global debug_dbug=@old_debug;
set global debug_dbug='+d,simulate_failed_connection_2';
connect(localhost,root,,test,MASTER_PORT,MASTER_SOCKET);
connect con1,localhost,root,,test,$MASTER_EXTRA_PORT,;
Got one of the listed errors
connection default;
set global debug_dbug=@old_debug;
connect con1,localhost,root,,test,$MASTER_EXTRA_PORT,;
select 1;
1
1
disconnect con1;
connection default;
set @@global.thread_cache_size=2;
connect con1,localhost,root,,test,$MASTER_EXTRA_PORT,;
select 1;
1
1
connect con2,localhost,root,,test,$MASTER_EXTRA_PORT,;
select 1;
1
1
disconnect con1;
disconnect con2;
connection default;
set global debug_dbug='+d,simulate_failed_connection_2';
connect(localhost,root,,test,MASTER_PORT,MASTER_SOCKET);
connect con1,localhost,root,,test,$MASTER_EXTRA_PORT,;
Got one of the listed errors
connection default;
show status like "Threads_connected";
Variable_name	Value
Threads_connected	1
set global debug_dbug=@old_debug;
set global thread_cache_size=@old_thread_cache_size;