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srv0srv.c:

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Do not let the main thread sleep the 1 second if we had to do a bug pool flush batch trying to establish srv_max_buf_pool_modified_pct


innobase/srv/srv0srv.c:
  Do not let the main thread sleep the 1 second if we had to do a bug pool flush batch trying to establish srv_max_buf_pool_modified_pct
This commit is contained in:
unknown 2003-05-04 15:14:33 +03:00
parent 981a2b742b
commit 87dc6aa669
1 changed files with 17 additions and 1 deletions
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18
innobase/srv/srv0srv.c
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@ -2760,6 +2760,7 @@ srv_master_thread(
ulint n_ios_old;
ulint n_ios_very_old;
ulint n_pend_ios;
ibool skip_sleep = FALSE;
ulint i;
UT_NOT_USED(arg);
@ -2800,11 +2801,19 @@ loop:
/* ---- We run the following loop approximately once per second
when there is database activity */
skip_sleep = FALSE;
for (i = 0; i < 10; i++) {
n_ios_old = log_sys->n_log_ios + buf_pool->n_pages_read
+ buf_pool->n_pages_written;
srv_main_thread_op_info = (char*)"sleeping";
os_thread_sleep(1000000);
if (!skip_sleep) {
os_thread_sleep(1000000);
}
skip_sleep = FALSE;
/* ALTER TABLE in MySQL requires on Unix that the table handler
can drop tables lazily after there no longer are SELECT
@ -2857,6 +2866,13 @@ loop:
n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100,
ut_dulint_max);
/* If we had to do the flush, it may have taken
even more than 1 second, and also, there may be more
to flush. Do not sleep 1 second during the next
iteration of this loop. */
skip_sleep = TRUE;
}
if (srv_activity_count == old_activity_count) {