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MDEV-34042: Deadlock kill of XA PREPARE can break replication / rpl.rpl_parallel_multi_domain_xa sporadic failure

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Clear any pending deadlock kill after completing XA PREPARE, and before
updating the mysql.gtid_slave_pos table in a separate transaction.

Reviewed-by: Andrei Elkin <andrei.elkin@mariadb.com>
Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
This commit is contained in:
Kristian Nielsen
2024-04-30 19:21:24 +02:00
parent e365877bae
commit 596921dab8
3 changed files with 15 additions and 1 deletions
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2
sql/rpl_parallel.cc
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@ -131,7 +131,7 @@ handle_queued_pos_update(THD *thd, rpl_parallel_thread::queued_event *qev)
asynchronously, we need to be sure they will be completed before starting a
new transaction. Otherwise the new transaction might suffer a spurious kill.
*/
static void
void
wait_for_pending_deadlock_kill(THD *thd, rpl_group_info *rgi)
{
PSI_stage_info old_stage;