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Stabilize timeline switch regression test.

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Commit fef5b47f6b added the regression test to check whether a standby is
able to follow a primary on a newer timeline when WAL archiving is enabled.
But the buildfarm member florican reported that this test failed because
the requested WAL segment was removed and replication failed. This is a
timing issue. Since neither replication slot is used nor wal_keep_size is set
in the test, checkpoint could remove the WAL segment that's still necessary
for replication.

This commit stabilizes the test by setting wal_keep_size.

Back-patch to v13 where the regression test that this commit stabilizes
was added.

Author: Fujii Masao
Discussion: https://postgr.es/m/X//PsenxcC50jDzX@paquier.xyz
This commit is contained in:
Fujii Masao 2021-01-14 14:37:01 +09:00
parent 94f52929a0
commit 8523a0971b
1 changed files with 4 additions and 0 deletions
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4
src/test/recovery/t/004_timeline_switch.pl
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@ -75,6 +75,10 @@ is($result, qq(2000), 'check content of standby 2');
# Initialize master node
my $node_master_2 = get_new_node('master_2');
$node_master_2->init(allows_streaming => 1, has_archiving => 1);
$node_master_2->append_conf(
'postgresql.conf', qq(
wal_keep_size = 512MB
));
$node_master_2->start;
# Take backup