mirror of
https://github.com/ClickHouse/ClickHouse.git
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402 lines
15 KiB
Python
Executable File
402 lines
15 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""This script is used in docker images for stress tests and upgrade tests"""
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import argparse
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import logging
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import random
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import time
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from multiprocessing import cpu_count
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from pathlib import Path
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from subprocess import PIPE, STDOUT, Popen, call, check_output
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from typing import List
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def get_options(i: int, upgrade_check: bool) -> str:
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options = []
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client_options = []
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if i > 0:
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options.append("--order=random")
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if i % 3 == 2 and not upgrade_check:
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options.append(f'''--db-engine="Replicated('/test/db/test_{i}', 's1', 'r1')"''')
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client_options.append("enable_deflate_qpl_codec=1")
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client_options.append("enable_zstd_qat_codec=1")
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# If database name is not specified, new database is created for each functional test.
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# Run some threads with one database for all tests.
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if i % 2 == 1:
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options.append(f" --database=test_{i}")
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if i % 3 == 1:
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client_options.append("join_use_nulls=1")
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if i % 2 == 1:
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join_alg_num = i // 2
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if join_alg_num % 5 == 0:
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client_options.append("join_algorithm='parallel_hash'")
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if join_alg_num % 5 == 1:
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client_options.append("join_algorithm='partial_merge'")
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if join_alg_num % 5 == 2:
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client_options.append("join_algorithm='full_sorting_merge'")
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if join_alg_num % 5 == 3 and not upgrade_check:
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# Some crashes are not fixed in 23.2 yet, so ignore the setting in Upgrade check
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client_options.append("join_algorithm='grace_hash'")
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if join_alg_num % 5 == 4:
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client_options.append("join_algorithm='auto'")
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client_options.append("max_rows_in_join=1000")
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if i > 0 and random.random() < 1 / 3:
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client_options.append("use_query_cache=1")
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client_options.append("query_cache_nondeterministic_function_handling='ignore'")
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client_options.append("query_cache_system_table_handling='ignore'")
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if i % 5 == 1:
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client_options.append("memory_tracker_fault_probability=0.001")
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if i % 5 == 1:
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client_options.append(
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"merge_tree_read_split_ranges_into_intersecting_and_non_intersecting_injection_probability=0.05"
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)
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if i % 2 == 1 and not upgrade_check:
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client_options.append("group_by_use_nulls=1")
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# 12 % 3 == 0, so it's Atomic database
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if i == 12 and not upgrade_check:
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client_options.append("implicit_transaction=1")
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client_options.append("throw_on_unsupported_query_inside_transaction=0")
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if random.random() < 0.1:
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client_options.append("optimize_trivial_approximate_count_query=1")
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if random.random() < 0.3:
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client_options.append(f"http_make_head_request={random.randint(0, 1)}")
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# TODO: After release 24.3 use ignore_drop_queries_probability for both
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# stress test and upgrade check
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if not upgrade_check:
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client_options.append("ignore_drop_queries_probability=0.5")
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if random.random() < 0.2:
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client_options.append("enable_parallel_replicas=1")
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client_options.append("max_parallel_replicas=3")
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client_options.append("cluster_for_parallel_replicas='parallel_replicas'")
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client_options.append("parallel_replicas_for_non_replicated_merge_tree=1")
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if client_options:
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options.append(" --client-option " + " ".join(client_options))
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return " ".join(options)
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def run_func_test(
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cmd: str,
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output_prefix: Path,
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num_processes: int,
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skip_tests_option: str,
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global_time_limit: int,
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upgrade_check: bool,
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) -> List[Popen]:
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upgrade_check_option = "--upgrade-check" if upgrade_check else ""
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global_time_limit_option = (
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f"--global_time_limit={global_time_limit}" if global_time_limit else ""
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)
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output_paths = [
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output_prefix / f"stress_test_run_{i}.txt" for i in range(num_processes)
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]
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pipes = []
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for i, path in enumerate(output_paths):
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with open(path, "w", encoding="utf-8") as op:
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full_command = (
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f"{cmd} {get_options(i, upgrade_check)} {global_time_limit_option} "
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f"{skip_tests_option} {upgrade_check_option}"
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)
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logging.info("Run func tests '%s'", full_command)
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# pylint:disable-next=consider-using-with
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pipes.append(Popen(full_command, shell=True, stdout=op, stderr=op))
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time.sleep(0.5)
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return pipes
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def compress_stress_logs(output_path: Path, files_prefix: str) -> None:
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cmd = (
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f"cd {output_path} && tar --zstd --create --file=stress_run_logs.tar.zst "
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f"{files_prefix}* && rm {files_prefix}*"
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)
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check_output(cmd, shell=True)
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def call_with_retry(query: str, timeout: int = 30, retry_count: int = 5) -> None:
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logging.info("Running command: %s", str(query))
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for i in range(retry_count):
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code = call(query, shell=True, stderr=STDOUT, timeout=timeout)
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if code != 0:
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logging.info("Command returend %s, retrying", str(code))
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time.sleep(i)
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else:
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break
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def make_query_command(query: str) -> str:
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return (
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f'clickhouse client -q "{query}" --max_untracked_memory=1Gi '
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"--memory_profiler_step=1Gi --max_memory_usage_for_user=0 --max_memory_usage_in_client=1000000000"
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)
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def prepare_for_hung_check(drop_databases: bool) -> bool:
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# FIXME this function should not exist, but...
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# We attach gdb to clickhouse-server before running tests
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# to print stacktraces of all crashes even if clickhouse cannot print it for some reason.
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# However, it obstructs checking for hung queries.
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logging.info("Will terminate gdb (if any)")
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call_with_retry("kill -TERM $(pidof gdb)")
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call_with_retry(
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"timeout 50s tail --pid=$(pidof gdb) -f /dev/null || kill -9 $(pidof gdb) ||:",
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timeout=60,
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)
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# Sometimes there is a message `Child process was stopped by signal 19` in logs after stopping gdb
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call_with_retry(
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"kill -CONT $(cat /var/run/clickhouse-server/clickhouse-server.pid) && clickhouse client -q 'SELECT 1 FORMAT Null'"
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)
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# ThreadFuzzer significantly slows down server and causes false-positive hung check failures
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call_with_retry(make_query_command("SYSTEM STOP THREAD FUZZER"))
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# Some tests execute SYSTEM STOP MERGES or similar queries.
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# It may cause some ALTERs to hang.
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# Possibly we should fix tests and forbid to use such queries without specifying table.
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call_with_retry(make_query_command("SYSTEM START MERGES"))
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call_with_retry(make_query_command("SYSTEM START DISTRIBUTED SENDS"))
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call_with_retry(make_query_command("SYSTEM START TTL MERGES"))
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call_with_retry(make_query_command("SYSTEM START MOVES"))
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call_with_retry(make_query_command("SYSTEM START FETCHES"))
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call_with_retry(make_query_command("SYSTEM START REPLICATED SENDS"))
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call_with_retry(make_query_command("SYSTEM START REPLICATION QUEUES"))
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call_with_retry(make_query_command("SYSTEM DROP MARK CACHE"))
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# Issue #21004, live views are experimental, so let's just suppress it
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call_with_retry(make_query_command("KILL QUERY WHERE upper(query) LIKE 'WATCH %'"))
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# Kill other queries which known to be slow
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# It's query from 01232_preparing_sets_race_condition_long,
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# it may take up to 1000 seconds in slow builds
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call_with_retry(
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make_query_command("KILL QUERY WHERE query LIKE 'insert into tableB select %'")
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)
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# Long query from 00084_external_agregation
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call_with_retry(
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make_query_command(
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"KILL QUERY WHERE query LIKE 'SELECT URL, uniq(SearchPhrase) AS u FROM "
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"test.hits GROUP BY URL ORDER BY u %'"
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)
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)
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# Long query from 02136_kill_scalar_queries
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call_with_retry(
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make_query_command(
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"KILL QUERY WHERE query LIKE "
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"'SELECT (SELECT number FROM system.numbers WHERE number = 1000000000000)%'"
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)
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)
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if drop_databases:
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for i in range(5):
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try:
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# Here we try to drop all databases in async mode.
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# If some queries really hung, than drop will hung too.
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# Otherwise we will get rid of queries which wait for background pool.
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# It can take a long time on slow builds (more than 900 seconds).
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#
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# Also specify max_untracked_memory to allow 1GiB of memory to overcommit.
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databases = (
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check_output(
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make_query_command("SHOW DATABASES"), shell=True, timeout=30
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)
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.decode("utf-8")
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.strip()
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.split()
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)
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for db in databases:
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if db == "system":
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continue
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command = make_query_command(f"DETACH DATABASE {db}")
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# we don't wait for drop
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# pylint:disable-next=consider-using-with
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Popen(command, shell=True)
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break
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except Exception as ex:
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logging.error(
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"Failed to SHOW or DROP databasese, will retry %s", str(ex)
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)
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time.sleep(i)
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else:
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raise RuntimeError(
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"Cannot drop databases after stress tests. Probably server consumed "
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"too much memory and cannot execute simple queries"
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)
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# Wait for last queries to finish if any, not longer than 300 seconds
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call(
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make_query_command(
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"""
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SELECT sleepEachRow((
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SELECT maxOrDefault(300 - elapsed) + 1
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FROM system.processes
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WHERE query NOT LIKE '%FROM system.processes%' AND elapsed < 300
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) / 300)
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FROM numbers(300)
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FORMAT Null
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SETTINGS function_sleep_max_microseconds_per_block = 0
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"""
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),
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shell=True,
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stderr=STDOUT,
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timeout=330,
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)
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# Even if all clickhouse-test processes are finished, there are probably some sh scripts,
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# which still run some new queries. Let's ignore them.
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try:
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query = 'clickhouse client -q "SELECT count() FROM system.processes where elapsed > 300" '
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output = (
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check_output(query, shell=True, stderr=STDOUT, timeout=30)
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.decode("utf-8")
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.strip()
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)
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if int(output) == 0:
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return False
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except:
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pass
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return True
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def is_ubsan_build() -> bool:
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try:
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query = (
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'clickhouse client -q "SELECT value FROM system.build_options '
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"WHERE name = 'CXX_FLAGS'\" "
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)
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output = (
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check_output(query, shell=True, stderr=STDOUT, timeout=30)
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.decode("utf-8")
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.strip()
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)
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return "-fsanitize=undefined" in output
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except Exception as e:
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logging.info("Failed to get build flags: %s", str(e))
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return False
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser(
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description="ClickHouse script for running stresstest"
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)
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parser.add_argument("--test-cmd", default="/usr/bin/clickhouse-test")
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parser.add_argument("--skip-func-tests", default="")
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parser.add_argument(
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"--server-log-folder", default="/var/log/clickhouse-server", type=Path
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)
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parser.add_argument("--output-folder", type=Path)
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parser.add_argument("--global-time-limit", type=int, default=1800)
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parser.add_argument("--num-parallel", type=int, default=cpu_count())
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parser.add_argument("--upgrade-check", action="store_true")
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parser.add_argument("--hung-check", action="store_true", default=False)
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# make sense only for hung check
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parser.add_argument("--drop-databases", action="store_true", default=False)
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return parser.parse_args()
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def main():
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logging.basicConfig(level=logging.INFO, format="%(asctime)s %(message)s")
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args = parse_args()
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if args.drop_databases and not args.hung_check:
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raise argparse.ArgumentTypeError(
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"--drop-databases only used in hung check (--hung-check)"
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)
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# FIXME Hung check with ubsan is temporarily disabled due to
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# https://github.com/ClickHouse/ClickHouse/issues/45372
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suppress_hung_check = is_ubsan_build()
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func_pipes = []
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func_pipes = run_func_test(
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args.test_cmd,
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args.output_folder,
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args.num_parallel,
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args.skip_func_tests,
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args.global_time_limit,
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args.upgrade_check,
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)
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logging.info("Will wait functests to finish")
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while True:
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retcodes = []
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for p in func_pipes:
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if p.poll() is not None:
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retcodes.append(p.returncode)
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if len(retcodes) == len(func_pipes):
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break
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logging.info("Finished %s from %s processes", len(retcodes), len(func_pipes))
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time.sleep(5)
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logging.info("All processes finished")
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logging.info("Compressing stress logs")
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compress_stress_logs(args.output_folder, "stress_test_run_")
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logging.info("Logs compressed")
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if args.hung_check:
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try:
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have_long_running_queries = prepare_for_hung_check(args.drop_databases)
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except Exception as ex:
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have_long_running_queries = True
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logging.error("Failed to prepare for hung check: %s", str(ex))
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logging.info("Checking if some queries hung")
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cmd = " ".join(
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[
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args.test_cmd,
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# Do not track memory allocations up to 1Gi,
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# this will allow to ignore server memory limit (max_server_memory_usage) for this query.
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#
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# NOTE: memory_profiler_step should be also adjusted, because:
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#
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# untracked_memory_limit = min(settings.max_untracked_memory, settings.memory_profiler_step)
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#
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# NOTE: that if there will be queries with GROUP BY, this trick
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# will not work due to CurrentMemoryTracker::check() from
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# Aggregator code.
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# But right now it should work, since neither hung check, nor 00001_select_1 has GROUP BY.
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"--client-option",
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"max_untracked_memory=1Gi",
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"max_memory_usage_for_user=0",
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"memory_profiler_step=1Gi",
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# Use system database to avoid CREATE/DROP DATABASE queries
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"--database=system",
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"--hung-check",
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"--report-logs-stats",
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"00001_select_1",
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]
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)
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hung_check_log = args.output_folder / "hung_check.log" # type: Path
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with Popen(["/usr/bin/tee", hung_check_log], stdin=PIPE) as tee:
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res = call(cmd, shell=True, stdout=tee.stdin, stderr=STDOUT, timeout=600)
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if tee.stdin is not None:
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tee.stdin.close()
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if res != 0 and have_long_running_queries and not suppress_hung_check:
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logging.info("Hung check failed with exit code %d", res)
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else:
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hung_check_status = "No queries hung\tOK\t\\N\t\n"
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with open(
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args.output_folder / "test_results.tsv", "w+", encoding="utf-8"
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) as results:
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results.write(hung_check_status)
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hung_check_log.unlink()
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logging.info("Stress test finished")
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if __name__ == "__main__":
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main()
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