mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 19:02:04 +00:00
38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import os
|
|
import math
|
|
import subprocess
|
|
from tempfile import NamedTemporaryFile
|
|
import pytest
|
|
|
|
def run_command_in_container(cmd, *args):
|
|
# /clickhouse is mounted by integration tests runner
|
|
alternative_binary = os.getenv('CLICKHOUSE_BINARY', '/clickhouse')
|
|
if alternative_binary:
|
|
args += (
|
|
'--volume', f'{alternative_binary}:/usr/bin/clickhouse',
|
|
)
|
|
|
|
return subprocess.check_output(['docker', 'run', '--rm',
|
|
*args,
|
|
'ubuntu:20.04',
|
|
'sh', '-c', cmd,
|
|
])
|
|
|
|
def run_with_cpu_limit(cmd, num_cpus, *args):
|
|
args += (
|
|
'--cpus', f'{num_cpus}',
|
|
)
|
|
return run_command_in_container(cmd, *args)
|
|
|
|
def test_cgroup_cpu_limit():
|
|
for num_cpus in (1, 2, 4, 2.8):
|
|
result = run_with_cpu_limit('clickhouse local -q "select value from system.settings where name=\'max_threads\'"', num_cpus)
|
|
expect_output = (r"\'auto({})\'".format(math.ceil(num_cpus))).encode()
|
|
assert result.strip() == expect_output, f"fail for cpu limit={num_cpus}, result={result.strip()}, expect={expect_output}"
|
|
|
|
# For manual run
|
|
if __name__ == '__main__':
|
|
test_cgroup_cpu_limit()
|