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67 lines
1.9 KiB
Python
67 lines
1.9 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(
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"node",
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main_configs=["configs/global_overcommit_tracker.xml"],
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user_configs=[
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"configs/users.xml",
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],
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)
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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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GLOBAL_TEST_QUERY_A = "SELECT groupArray(number) FROM numbers(2500000) SETTINGS memory_overcommit_ratio_denominator_for_user=1"
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GLOBAL_TEST_QUERY_B = "SELECT groupArray(number) FROM numbers(2500000) SETTINGS memory_overcommit_ratio_denominator_for_user=80000000"
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def test_global_overcommit():
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# NOTE: another option is to increase waiting time.
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if (
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node.is_built_with_thread_sanitizer()
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or node.is_built_with_address_sanitizer()
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or node.is_built_with_memory_sanitizer()
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):
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pytest.skip("doesn't fit in memory limits")
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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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node.query("CREATE USER IF NOT EXISTS 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 i in range(100):
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if i % 2 == 0:
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responses_A.append(node.get_query_request(GLOBAL_TEST_QUERY_A, user="A"))
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else:
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responses_B.append(node.get_query_request(GLOBAL_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, "no overcommited task was killed"
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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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node.query("DROP USER IF EXISTS B")
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