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Add eviction count for table cache lru cleanup (xtradb)

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This commit is contained in:
Eric Herman 2015-08-26 10:26:19 +02:00
parent 4f4373fe31
commit df32920ba0
3 changed files with 10 additions and 1 deletions
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1
storage/xtradb/include/srv0mon.h
View file

@ -379,6 +379,7 @@ enum monitor_id_t {
MONITOR_SRV_MEM_VALIDATE_MICROSECOND,
MONITOR_SRV_PURGE_MICROSECOND,
MONITOR_SRV_DICT_LRU_MICROSECOND,
MONITOR_SRV_DICT_LRU_EVICT_COUNT,
MONITOR_SRV_CHECKPOINT_MICROSECOND,
MONITOR_OVLD_SRV_DBLWR_WRITES,
MONITOR_OVLD_SRV_DBLWR_PAGES_WRITTEN,

5
storage/xtradb/srv/srv0mon.cc
View file

@ -1196,6 +1196,11 @@ static monitor_info_t innodb_counter_info[] =
MONITOR_NONE,
MONITOR_DEFAULT_START, MONITOR_SRV_DICT_LRU_MICROSECOND},
{"innodb_dict_lru_count", "server",
"Number of tables evicted from DICT LRU list",
MONITOR_NONE,
MONITOR_DEFAULT_START, MONITOR_SRV_DICT_LRU_EVICT_COUNT},
{"innodb_checkpoint_usec", "server",
"Time (in microseconds) spent by master thread to do checkpoint",
MONITOR_NONE,

5
storage/xtradb/srv/srv0srv.cc
View file

@ -2881,6 +2881,7 @@ srv_master_do_active_tasks(void)
{
ib_time_t cur_time = ut_time();
ullint counter_time = ut_time_us(NULL);
ulint n_evicted = 0;
/* First do the tasks that we are suppose to do at each
invocation of this function. */
@ -2941,7 +2942,9 @@ srv_master_do_active_tasks(void)
if (cur_time % SRV_MASTER_DICT_LRU_INTERVAL == 0) {
srv_main_thread_op_info = "enforcing dict cache limit";
srv_master_evict_from_table_cache(50);
n_evicted = srv_master_evict_from_table_cache(50);
MONITOR_INC_VALUE(
MONITOR_SRV_DICT_LRU_EVICT_COUNT, n_evicted);
MONITOR_INC_TIME_IN_MICRO_SECS(
MONITOR_SRV_DICT_LRU_MICROSECOND, counter_time);
}