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max_server_memory_usage already set to 75%, so OOM should not happens,
the reason is that because RSS does not match with memory tracker
statistics:
2022.08.05 12:36:57.869896 [ 82524 ] {} <Trace> AsynchronousMetrics: MemoryTracking: was 64.69 GiB, peak 65.26 GiB, will set to 62.80 GiB (RSS), difference: -1.89 GiB
...
2022.08.05 12:37:00.213440 [ 82334 ] {} <Error> void DB::MergeTreeBackgroundExecutor<DB::MergeMutateRuntimeQueue>::routine(DB::TaskRuntimeDataPtr) [Queue = DB::MergeMutateRuntimeQueue]: Code: 241. DB::Exception: Memory limit (total) exceeded: would use 64.68 GiB (attempt to allocate chunk of 1298794 bytes), maximum: 51.44 GiB. OvercommitTracker decision: Memory overcommit isn't used. Waiting time or orvercommit denominator are set to zero.. (MEMORY_LIMIT_EXCEEDED), Stack trace (when copying this message, always include the lines below):
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
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| .. | ||
| Dockerfile | ||
| README.md | ||
| run.sh | ||
| stress | ||
Allow to run simple ClickHouse stress test in Docker from debian packages. Actually it runs multiple copies of clickhouse-test (functional tests). This allows to find problems like segmentation fault which cause shutdown of server.
Usage:
$ ls $HOME/someclickhouse
clickhouse-client_18.14.9_all.deb clickhouse-common-static_18.14.9_amd64.deb clickhouse-server_18.14.9_all.deb
$ docker run --volume=$HOME/someclickhouse:/package_folder --volume=$HOME/test_output:/test_output clickhouse/stress-test
Selecting previously unselected package clickhouse-common-static.
(Reading database ... 14442 files and directories currently installed.)
...
Start clickhouse-server service: Path to data directory in /etc/clickhouse-server/config.xml: /var/lib/clickhouse/
DONE
2018-10-22 13:40:35,744 Will wait functests to finish
2018-10-22 13:40:40,747 Finished 0 from 16 processes
2018-10-22 13:40:45,751 Finished 0 from 16 processes
...
2018-10-22 13:49:11,165 Finished 15 from 16 processes
2018-10-22 13:49:16,171 Checking ClickHouse still alive
Still alive
2018-10-22 13:49:16,195 Stress is ok
2018-10-22 13:49:16,195 Copying server log files
$ ls $HOME/test_result
clickhouse-server.err.log clickhouse-server.log.0.gz stderr.log stress_test_run_0.txt stress_test_run_11.txt stress_test_run_13.txt
stress_test_run_15.txt stress_test_run_2.txt stress_test_run_4.txt stress_test_run_6.txt stress_test_run_8.txt clickhouse-server.log
perf_stress_run.txt stdout.log stress_test_run_10.txt stress_test_run_12.txt
stress_test_run_14.txt stress_test_run_1.txt
stress_test_run_3.txt stress_test_run_5.txt stress_test_run_7.txt stress_test_run_9.txt