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Fix flakiness of test_timeline_copy.

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Timeline might be not initialized when timeline_start_lsn is
queried. Spotted by CI.
This commit is contained in:
Arseny Sher
2024-09-19 16:37:17 +03:00
committed by Arseny Sher
parent 42e19e952f
commit c4cdfe66ac
2 changed files with 18 additions and 2 deletions
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9
test_runner/regress/test_wal_acceptor.py
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@@ -2084,8 +2084,13 @@ def test_timeline_copy(neon_env_builder: NeonEnvBuilder, insert_rows: int):
endpoint.safe_psql("create table t(key int, value text)")
timeline_status = env.safekeepers[0].http_client().timeline_status(tenant_id, timeline_id)
timeline_start_lsn = timeline_status.timeline_start_lsn
# Note: currently timelines on sks are created by compute and commit of
# transaction above is finished when 2/3 sks received it, so there is a
# small chance that timeline on this sk is not created/initialized yet,
# hence the usage of waiting function to prevent flakiness.
timeline_start_lsn = (
env.safekeepers[0].http_client().get_non_zero_timeline_start_lsn(tenant_id, timeline_id)
)
log.info(f"Timeline start LSN: {timeline_start_lsn}")
current_percent = 0.0