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| author | unknown <marko@hundin.mysql.fi> | 2004-10-27 13:33:11 +0300 |
|---|---|---|
| committer | unknown <marko@hundin.mysql.fi> | 2004-10-27 13:33:11 +0300 |
| commit | 743597ea96cbf227c2c5dd34b9837802d62ad834 (patch) | |
| tree | 811cd8122c4f67f06ae87f7dde570b7aea9d484d /sql/set_var.cc | |
| parent | 9abe7d272bcd75ef4eb83a33f31a3c9b756317a1 (diff) | |
| download | mariadb-git-743597ea96cbf227c2c5dd34b9837802d62ad834.tar.gz | |
Backport innodb_max_purge_lag from 4.1
innobase/include/srv0srv.h:
Add configuration parameter srv_max_purge_lag.
Add global variable srv_dml_needed_delay.
innobase/include/trx0sys.h:
Add trx_sys->rseg_history_len
innobase/row/row0mysql.c:
Add row_mysql_delay_if_needed() for delaying INSERTs, UPDATEs and
DELETEs for srv_dml_needed_delay microseconds.
innobase/srv/srv0srv.c:
Define global variable srv_dml_needed_delay.
Define configuration parameter srv_max_purge_lag.
innobase/trx/trx0purge.c:
Update trx_sys->rseg_history_len.
trx_purge(): Compute srv_dml_needed_delay from srv_max_purge_lag
and trx_sys->rseg_history_len.
innobase/trx/trx0rseg.c:
Initialize trx_sys->rseg_history_len at InnoDB start-up.
sql/ha_innodb.h:
Add configuration parameter srv_max_purge_lag.
sql/mysqld.cc:
Add startup option innodb_max_purge_lag,
with default value 0 (meaning infinite, disabling the feature).
sql/set_var.cc:
Add global variable innodb_max_purge_lag.
Diffstat (limited to 'sql/set_var.cc')
| -rw-r--r-- | sql/set_var.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/set_var.cc b/sql/set_var.cc index a6a5ea72c71..d5aadbfbdab 100644 --- a/sql/set_var.cc +++ b/sql/set_var.cc @@ -263,6 +263,8 @@ sys_var_thd_ulong sys_net_wait_timeout("wait_timeout", #ifdef HAVE_INNOBASE_DB sys_var_long_ptr sys_innodb_max_dirty_pages_pct("innodb_max_dirty_pages_pct", &srv_max_buf_pool_modified_pct); +sys_var_long_ptr sys_innodb_max_purge_lag("innodb_max_purge_lag", + &srv_max_purge_lag); sys_var_thd_bool sys_innodb_table_locks("innodb_table_locks", &SV::innodb_table_locks); #endif @@ -451,6 +453,7 @@ sys_var *sys_variables[]= &sys_os, #ifdef HAVE_INNOBASE_DB &sys_innodb_max_dirty_pages_pct, + &sys_innodb_max_purge_lag, &sys_innodb_table_locks, #endif &sys_unique_checks @@ -523,6 +526,7 @@ struct show_var_st init_vars[]= { {"innodb_log_group_home_dir", (char*) &innobase_log_group_home_dir, SHOW_CHAR_PTR}, {"innodb_mirrored_log_groups", (char*) &innobase_mirrored_log_groups, SHOW_LONG}, {sys_innodb_max_dirty_pages_pct.name, (char*) &sys_innodb_max_dirty_pages_pct, SHOW_SYS}, + {sys_innodb_max_purge_lag.name, (char*) &sys_innodb_max_purge_lag, SHOW_SYS}, {sys_innodb_table_locks.name, (char*) &sys_innodb_table_locks, SHOW_SYS}, #endif {sys_interactive_timeout.name,(char*) &sys_interactive_timeout, SHOW_SYS}, |