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37 lines
976 B
Python
37 lines
976 B
Python
import os
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import sys
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import time
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from multiprocessing.dummy import Pool
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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) 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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busy_pool = Pool(10)
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def execute_query(i):
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for _ in range(100):
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node.query('select * from t where number = 0 limit 2;',
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settings={
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"sleep_in_receive_cancel_ms": 10000000,
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"max_execution_time": 5
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})
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p = busy_pool.map(execute_query, range(10))
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