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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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")
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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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USER_TEST_QUERY_A = "SELECT groupArray(number) FROM numbers(2500000) SETTINGS max_memory_usage_for_user=2000000000,memory_overcommit_ratio_denominator=1"
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USER_TEST_QUERY_B = "SELECT groupArray(number) FROM numbers(2500000) SETTINGS max_memory_usage_for_user=2000000000,memory_overcommit_ratio_denominator=80000000"
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def test_user_overcommit():
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node.query("CREATE USER IF NOT EXISTS A")
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node.query("GRANT ALL ON *.* TO A")
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responses_A = list()
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responses_B = list()
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for i in range(100):
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if i % 2 == 0:
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responses_A.append(node.get_query_request(USER_TEST_QUERY_A, user="A"))
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else:
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responses_B.append(node.get_query_request(USER_TEST_QUERY_B, user="A"))
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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 finished, "all tasks are killed"
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node.query("DROP USER IF EXISTS A")
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