mirror of
https://github.com/ClickHouse/ClickHouse.git
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59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
#!/usr/bin/env python3
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import logging
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import math
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import os
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import subprocess
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from tempfile import NamedTemporaryFile
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import pytest
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def run_command_in_container(cmd, *args):
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# /clickhouse is mounted by integration tests runner
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alternative_binary = os.getenv("CLICKHOUSE_BINARY", "/clickhouse")
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if alternative_binary:
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args += (
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"--volume",
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f"{alternative_binary}:/usr/bin/clickhouse",
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)
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command = [
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"docker",
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"run",
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"--rm",
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*args,
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"ubuntu:22.04",
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"sh",
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"-c",
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cmd,
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]
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logging.debug("Command: %s", " ".join(command))
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return subprocess.check_output(command)
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def run_with_cpu_limit(cmd, num_cpus, *args):
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args += (
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"--cpus",
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f"{num_cpus}",
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)
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return run_command_in_container(cmd, *args)
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def test_cgroup_cpu_limit():
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for num_cpus in (1, 2, 4, 2.8):
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result = run_with_cpu_limit(
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"clickhouse local -q \"select value from system.settings where name='max_threads'\"",
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num_cpus,
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)
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expect_output = (r"\'auto({})\'".format(math.ceil(num_cpus))).encode()
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assert (
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result.strip() == expect_output
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), f"fail for cpu limit={num_cpus}, result={result.strip()}, expect={expect_output}"
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# For manual run
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if __name__ == "__main__":
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test_cgroup_cpu_limit()
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