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Increase shared_buffers in test_subscriber_synchronous_commit. (#9427)

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Might make the test less flaky.
This commit is contained in:
Arseny Sher
2024-10-18 13:31:14 +03:00
committed by GitHub
parent b7173b1ef0
commit 98fee7a97d
1 changed files with 8 additions and 5 deletions
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13
test_runner/regress/test_logical_replication.py
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@@ -558,10 +558,10 @@ select sent_lsn, flush_lsn, pg_current_wal_flush_lsn() from pg_stat_replication
return publisher_flush_lsn
# Test that subscriber takes into account quorum committed flush_lsn in
# flush_lsn reporting to publisher. Without this, it may ack too far, losing
# data on restart because publisher advances START_REPLICATION position to the
# confirmed_flush_lsn of the slot.
# Test that neon subscriber takes into account quorum committed flush_lsn in
# flush_lsn reporting to publisher. Without this, subscriber may ack too far,
# losing data on restart because publisher implicitly advances positition given
# in START_REPLICATION to the confirmed_flush_lsn of the slot.
def test_subscriber_synchronous_commit(neon_simple_env: NeonEnv, vanilla_pg):
env = neon_simple_env
# use vanilla as publisher to allow writes on it when safekeeper is down
@@ -578,7 +578,10 @@ def test_subscriber_synchronous_commit(neon_simple_env: NeonEnv, vanilla_pg):
vanilla_pg.safe_psql("create extension neon;")
env.create_branch("subscriber")
sub = env.endpoints.create("subscriber")
# We want all data to fit into shared_buffers because later we stop
# safekeeper and insert more; this shouldn't cause page requests as they
# will be stuck.
sub = env.endpoints.create("subscriber", config_lines=["shared_buffers=128MB"])
sub.start()
with vanilla_pg.cursor() as pcur: