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42ab02a810
Sometimes [1] 5 seconds is not enough, since drain_timeout is 3 seconds,
and 2 seconds sometimes is not enough to do other things, especially
under sanitizers:
E Code: 159. DB::Exception: Received from 172.16.1.2:9000. DB::Exception: Timeout exceeded: elapsed 5.019254094 seconds, maximum: 5. Stack trace:
[1]: https://s3.amazonaws.com/clickhouse-test-reports/0/826f7cb0f53e20e67ef52800cb735bb88a6de658/integration_tests__thread__actions__[4/4].html
37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
# pylint: disable=redefined-outer-name
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# pylint: disable=unused-argument
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import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance('node', main_configs=['configs/config.xml'])
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@pytest.fixture(scope='module')
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def started_cluster():
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try:
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cluster.start()
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node.query("""
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create table t (number UInt64)
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engine = Distributed(test_cluster_two_shards, system, numbers)
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""")
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yield cluster
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finally:
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cluster.shutdown()
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def test_filled_async_drain_connection_pool(started_cluster):
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def execute_queries(_):
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for _ in range(100):
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node.query('select * from t where number = 0 limit 2', settings={
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'sleep_in_receive_cancel_ms': int(10e6),
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'max_execution_time': 5,
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# decrease drain_timeout to make test more stable
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# (another way is to increase max_execution_time, but this will make test slower)
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'drain_timeout': 1,
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})
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any(map(execute_queries, range(10)))
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