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Move RestoreRunningXactsFromClog() to neon extension

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Also change how it works on overflow: instead of continuing with the
incomplete information, and risking incorrect query results, bail out
and wait for running-xacts record to arrive instead.
This commit is contained in:
Heikki Linnakangas
2024-05-23 11:12:36 +03:00
parent b1eb0e135e
commit d99c1abfc3
6 changed files with 145 additions and 10 deletions
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6
test_runner/regress/test_replication_start_subxid_overflow.py
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@@ -163,12 +163,12 @@ def test_replication_start_subxid_overflow3(neon_simple_env: NeonEnv):
n_connections = max_connections - 2
n_subxids = 100
# Start one top tranaction in primary, with lots of subtransactions. This fills up the
# known-assigned XIDs space in the standby.
# Start one top tranaction in primary, with lots of subtransactions. This uses up much the
# known-assigned XIDs space in the standby, but doesn't cause it to overflow.
large_p_conn = primary.connect()
large_p_cur = large_p_conn.cursor()
large_p_cur.execute("begin")
large_p_cur.execute("select create_subxacts(20000)")
large_p_cur.execute("select create_subxacts(2000)")
# Create a replica at this LSN
wait_for_last_flush_lsn(env, primary, env.initial_tenant, env.initial_timeline)