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47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
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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/global_overcommit_tracker.xml'])
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@pytest.fixture(scope='module', autouse=True)
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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TEST_QUERY_A = 'SELECT number FROM numbers(1000) GROUP BY number SETTINGS max_guaranteed_memory_usage_for_user=1'
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TEST_QUERY_B = 'SELECT number FROM numbers(1000) GROUP BY number SETTINGS max_guaranteed_memory_usage_for_user=2'
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def test_overcommited_is_killed():
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node.query("CREATE USER A")
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node.query("GRANT ALL ON *.* TO A")
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node.query("CREATE USER B")
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node.query("GRANT ALL ON *.* TO B")
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responses_A = list()
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responses_B = list()
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for _ in range(100):
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responses_A.append(node.get_query_request(TEST_QUERY_A, user="A"))
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responses_B.append(node.get_query_request(TEST_QUERY_B, user="B"))
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overcommited_killed = False
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for response in responses_A:
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_, err = response.get_answer_and_error()
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if "MEMORY_LIMIT_EXCEEDED" in err:
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overcommited_killed = True
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finished = False
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for response in responses_B:
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_, err = response.get_answer_and_error()
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if err == "":
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finished = True
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assert overcommited_killed and finished, "no overcommited task was killed or all tasks are killed"
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node.query("DROP USER IF EXISTS A")
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node.query("DROP USER IF EXISTS B")
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