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MDEV-22707: galera got stuck after flush tables

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Deadlock is possible between applier thread and local committing thread with active FLUSH TABLE.
Applier thread should skip table share checks and locks when opening table.

Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
This commit is contained in:
mkaruza
2020-10-21 09:48:52 +02:00
committed by Jan Lindström
parent 1ff8588c3f
commit 6a614d6934
3 changed files with 82 additions and 0 deletions
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5
sql/sql_base.cc
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@ -1859,7 +1859,12 @@ retry_share:
DBUG_RETURN(FALSE);
}
#ifdef WITH_WSREP
if (!((flags & MYSQL_OPEN_IGNORE_FLUSH) ||
(wsrep_on(thd) && thd->wsrep_applier)))
#else
if (!(flags & MYSQL_OPEN_IGNORE_FLUSH))
#endif
{
if (share->tdc->flushed)
{