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buf0lru.c:

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Start InnoDB Monitor if 80 % of the buffer pool occupied by adaptive has or lock heaps; do not print the same warning more than 1 time
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heikki@hundin.mysql.fi 2004-01-07 18:15:17 +02:00
parent 4c0ad9ccb6
commit 18036f98ac
1 changed files with 12 additions and 8 deletions
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20
innobase/buf/buf0lru.c
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@ -216,7 +216,7 @@ buf_LRU_get_free_block(void)
buf_block_t* block = NULL;
ibool freed;
ulint n_iterations = 1;
ibool mon_value_was = 0; /* remove bug */
ibool mon_value_was = FALSE;
ibool started_monitor = FALSE;
loop:
mutex_enter(&(buf_pool->mutex));
@ -235,12 +235,14 @@ loop:
} else if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free)
+ UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->max_size / 5) {
if (!srv_print_innodb_monitor) {
/* Over 80 % of the buffer pool is occupied by lock heaps
or the adaptive hash index. This may be a memory leak! */
/* Over 80 % of the buffer pool is occupied by lock
heaps or the adaptive hash index. This may be a memory
leak! */
ut_print_timestamp(stderr);
fprintf(stderr,
ut_print_timestamp(stderr);
fprintf(stderr,
" InnoDB: WARNING: over 4 / 5 of the buffer pool is occupied by\n"
"InnoDB: lock heaps or the adaptive hash index! Check that your\n"
"InnoDB: transactions do not set too many row locks.\n"
@ -248,10 +250,11 @@ loop:
"InnoDB: the buffer pool bigger?\n"
"InnoDB: Starting the InnoDB Monitor to print diagnostics, including\n"
"InnoDB: lock heap and hash index sizes.\n",
buf_pool->curr_size / (1024 * 1024 / UNIV_PAGE_SIZE));
srv_print_innodb_monitor = TRUE;
buf_pool->curr_size / (1024 * 1024 / UNIV_PAGE_SIZE));
srv_print_innodb_monitor = TRUE;
os_event_set(srv_lock_timeout_thread_event);
}
} else if (!recv_recovery_on && UT_LIST_GET_LEN(buf_pool->free)
+ UT_LIST_GET_LEN(buf_pool->LRU) < buf_pool->max_size / 4) {
@ -318,6 +321,7 @@ loop:
mon_value_was = srv_print_innodb_monitor;
started_monitor = TRUE;
srv_print_innodb_monitor = TRUE;
os_event_set(srv_lock_timeout_thread_event);
}
/* No free block was found: try to flush the LRU list */