postgres.git / summary / log / commit / refs

commit    5136967f1eb194bf7598668f9893b997199935c1
Author:   Andres Freund <andres@anarazel.de>
Date:     Wed May 04 19:50:38 2022 +0000

    Fix timing issue in deadlock recovery conflict test.
    
    Per buildfarm members longfin and skink.
    
    Discussion: https://postgr.es/m/20220413002626.udl7lll7f3o7nre7@alap3.anarazel.de
    Backpatch: 10-


 src/test/recovery/t/031_recovery_conflict.pl | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/test/recovery/t/031_recovery_conflict.pl b/src/test/recovery/t/031_recovery_conflict.pl
index 52f00a6f514..2356ed3d6e7 100644
--- a/src/test/recovery/t/031_recovery_conflict.pl
+++ b/src/test/recovery/t/031_recovery_conflict.pl
@@ -231,6 +231,14 @@ check_conflict_stat("lock");
 $sect = "startup deadlock";
 $expected_conflicts++;
 
+# Want to test recovery deadlock conflicts, not buffer pin conflicts. Without
+# changing max_standby_streaming_delay it'd be timing dependent what we hit
+# first
+$node_standby->adjust_conf('postgresql.conf', 'max_standby_streaming_delay',
+						   "${PostgreSQL::Test::Utils::timeout_default}s");
+$node_standby->restart();
+reconnect_and_clear();
+
 # Generate a few dead rows, to later be cleaned up by vacuum. Then acquire a
 # lock on another relation in a prepared xact, so it's held continuously by
 # the startup process. The standby psql will block acquiring that lock while
@@ -286,6 +294,9 @@ check_conflict_stat("deadlock");
 
 # clean up for next tests
 $node_primary->safe_psql($test_db, qq[ROLLBACK PREPARED 'lock';]);
+$node_standby->adjust_conf('postgresql.conf', 'max_standby_streaming_delay', '50ms');
+$node_standby->restart();
+reconnect_and_clear();
 
 
 # Check that expected number of conflicts show in pg_stat_database. Needs to


[parent: f74496dd611e]