rust/neon
1
0
Fork 0
mirror of https://github.com/neondatabase/neon.git synced 2026-01-05 20:42:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix(neon): Add tests clarifying postgres sigabrt on pageserver unavailability (#10666)

Browse Source 
Resolves: https://github.com/neondatabase/neon/issues/5734

When we query pageserver and it's unavailable after some retries,
postgres sigabrt's. This is intended behavior so I've added tests
checking it
This commit is contained in:
Mikhail Kot
2025-02-12 10:52:26 +00:00
committed by GitHub
parent 71c30e52fa
commit 2c4c6e6330
1 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
test_runner/regress/test_pageserver_restart.py
View File

@@ -3,6 +3,7 @@ from __future__ import annotations
import random
from contextlib import closing
import psycopg2.errors as pgerr
import pytest
from fixtures.log_helper import log
from fixtures.neon_fixtures import NeonEnvBuilder
@@ -226,3 +227,43 @@ def test_pageserver_chaos(neon_env_builder: NeonEnvBuilder, shard_count: int | N
# so instead, do a fast shutdown for this one test.
# See https://github.com/neondatabase/neon/issues/8709
env.stop(immediate=True)
def test_pageserver_lost_and_transaction_aborted(neon_env_builder: NeonEnvBuilder):
"""
If pageserver is unavailable during a transaction abort and target relation is
not present in cache, we abort the transaction in ABORT state which triggers a sigabrt.
This is _expected_ behavour
"""
env = neon_env_builder.init_start()
endpoint = env.endpoints.create_start("main", config_lines=["neon.relsize_hash_size=0"])
with closing(endpoint.connect()) as conn, conn.cursor() as cur:
cur.execute("CREATE DATABASE test")
with (
pytest.raises((pgerr.InterfaceError, pgerr.InternalError)),
endpoint.connect(dbname="test") as conn,
conn.cursor() as cur,
):
cur.execute("create table t(b box)")
env.pageserver.stop()
cur.execute("create index ti on t using gist(b)")
def test_pageserver_lost_and_transaction_committed(neon_env_builder: NeonEnvBuilder):
"""
If pageserver is unavailable during a transaction commit and target relation is
not present in cache, we abort the transaction in COMMIT state which triggers a sigabrt.
This is _expected_ behavour
"""
env = neon_env_builder.init_start()
endpoint = env.endpoints.create_start("main", config_lines=["neon.relsize_hash_size=0"])
with closing(endpoint.connect()) as conn, conn.cursor() as cur:
cur.execute("CREATE DATABASE test")
with (
pytest.raises((pgerr.InterfaceError, pgerr.InternalError)),
endpoint.connect(dbname="test") as conn,
conn.cursor() as cur,
):
cur.execute("create table t(t boolean)")
env.pageserver.stop()
cur.execute("drop table t")