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Code Activity

InnoDB: implement innodb_max_purge_lag

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innobase/include/srv0srv.h:
  Added srv_max_purge_lag and srv_dml_needed_delay
innobase/include/trx0sys.h:
  Added trx_sys->rseg_history_len
innobase/row/row0mysql.c:
  Added row_mysql_delay_if_needed()
innobase/srv/srv0srv.c:
  Added srv_max_purge_lag and srv_dml_needed_delay
innobase/trx/trx0purge.c:
  Update trx_sys->rseg_history_len.
  Calculate 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
sql/ha_innodb.h:
  Add srv_max_purge_lag
sql/mysqld.cc:
  Add parameter innodb_max_purge_lag
sql/set_var.cc:
  Add global variable innodb_max_purge_lag
This commit is contained in:
unknown
2004-09-30 15:54:19 +03:00
parent 1dbc71afaa
commit 927179ecd4
9 changed files with 82 additions and 1 deletions
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3
innobase/include/srv0srv.h
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@ -110,6 +110,8 @@ extern int srv_query_thread_priority;
extern ibool srv_use_awe;
extern ibool srv_use_adaptive_hash_indexes;
extern ulint srv_max_purge_lag;
/*-------------------------------------------*/
extern ulint srv_n_rows_inserted;
@ -163,6 +165,7 @@ extern ulint srv_test_array_size;
extern ulint srv_activity_count;
extern ulint srv_fatal_semaphore_wait_threshold;
extern ulint srv_dml_needed_delay;
extern mutex_t* kernel_mutex_temp;/* mutex protecting the server, trx structs,
query threads, and lock table: we allocate