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Add test that pgstat information is dropped in case of abnormal termination

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This commit is contained in:
Konstantin Knizhnik
2024-10-09 19:15:51 +03:00
parent e48a8415ff
commit 3179b9bed2
1 changed files with 19 additions and 10 deletions
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29
test_runner/regress/test_pgstat.py
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@@ -14,6 +14,8 @@ def test_pgstat(neon_simple_env: NeonEnv):
if env.pg_version == PgVersion.V14:
pytest.skip("PG14 doesn't support pgstat statistic persistence")
env.pageserver.allowed_errors.append(".*this timeline is using deprecated aux file policy V1.*")
n = 10000
endpoint = env.endpoints.create_start("main")
@@ -32,7 +34,7 @@ def test_pgstat(neon_simple_env: NeonEnv):
"select seq_scan,seq_tup_read,n_tup_ins,n_tup_upd,n_live_tup,n_dead_tup, vacuum_count,analyze_count from pg_stat_user_tables"
)
rec = cur.fetchall()[0]
assert (rec == (2, n * 2, n, n, n * 2, n, 1, 1))
assert rec == (2, n * 2, n, n, n * 2, n, 1, 1)
endpoint.stop()
endpoint.start()
@@ -44,13 +46,20 @@ def test_pgstat(neon_simple_env: NeonEnv):
"select seq_scan,seq_tup_read,n_tup_ins,n_tup_upd,n_live_tup,n_dead_tup, vacuum_count,analyze_count from pg_stat_user_tables"
)
rec = cur.fetchall()[0]
assert (
rec[0] == 2
and rec[1] == n * 2
and rec[2] == n
and rec[3] == n
and rec[4] == n * 2
and rec[5] == n
and rec[6] == 1
and rec[7] == 1
assert rec == (2, n * 2, n, n, n * 2, n, 1, 1)
cur.execute("update t set x=x+1")
# stop without checkpoint
endpoint.stop(mode="immediate")
endpoint.start()
con = endpoint.connect()
cur = con.cursor()
cur.execute(
"select seq_scan,seq_tup_read,n_tup_ins,n_tup_upd,n_live_tup,n_dead_tup, vacuum_count,analyze_count from pg_stat_user_tables"
)
rec = cur.fetchall()[0]
# pgstat information should be discarded in case of abnormal termination
assert rec == (0, 0, 0, 0, 0, 0, 0, 0)