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Fix test_s3_wal_replay flakiness.

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ref https://github.com/neondatabase/neon/issues/4466
This commit is contained in:
Arseny Sher
2023-06-12 18:03:03 +04:00
committed by Arseny Sher
parent 1b97a3074c
commit fdbe8dc8e0
1 changed files with 7 additions and 2 deletions
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9
test_runner/regress/test_wal_acceptor.py
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@@ -543,8 +543,13 @@ def test_s3_wal_replay(neon_env_builder: NeonEnvBuilder, remote_storage_kind: Re
last_lsn = Lsn(query_scalar(cur, "SELECT pg_current_wal_flush_lsn()"))
for sk in env.safekeepers:
# require WAL to be trimmed, so no more than one segment is left on disk
target_size_mb = 16 * 1.5
# require WAL to be trimmed, so no more than one segment is left
# on disk
# TODO: WAL removal uses persistent values and control
# file is fsynced roughly once in a segment, so there is a small
# chance that two segments are left on disk, not one. We can
# force persist cf and have 16 instead of 32 here.
target_size_mb = 32 * 1.5
wait(
partial(is_wal_trimmed, sk, tenant_id, timeline_id, target_size_mb),
f"sk_id={sk.id} to trim WAL to {target_size_mb:.2f}MB",