MDEV-26511 - Do not change purge thread count during bootstrap

vaintroub · vaintroub · commit 1fcd8db77657 · 2021-08-31T12:02:31.000+02:00
Apparently, in bootstrap this could crash when creating new THDs
diff --git a/storage/innobase/srv/srv0srv.cc b/storage/innobase/srv/srv0srv.cc
@@ -2139,7 +2139,7 @@ ulint srv_get_task_queue_length()
 void srv_purge_shutdown()
 {
 	if (purge_sys.enabled()) {
-		if (!srv_fast_shutdown)
+		if (!srv_fast_shutdown && !opt_bootstrap)
 			srv_update_purge_thread_count(innodb_purge_threads_MAX);
 		while(!srv_purge_should_exit()) {
 			ut_a(!purge_sys.paused());

Original file line number	Diff line number	Diff line change
`@@ -2139,7 +2139,7 @@ ulint srv_get_task_queue_length()`
`2139`	`2139`	`void srv_purge_shutdown()`
`2140`	`2140`	`{`
`2141`	`2141`	`if (purge_sys.enabled()) {`
`2142`		`- if (!srv_fast_shutdown)`
	`2142`	`+ if (!srv_fast_shutdown && !opt_bootstrap)`
`2143`	`2143`	`srv_update_purge_thread_count(innodb_purge_threads_MAX);`
`2144`	`2144`	`while(!srv_purge_should_exit()) {`
`2145`	`2145`	`ut_a(!purge_sys.paused());`