mirror of
https://github.com/ClickHouse/ClickHouse.git
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212 lines
8.2 KiB
Python
Executable File
212 lines
8.2 KiB
Python
Executable File
#!/usr/bin/python3
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import os
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import sys
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import itertools
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import clickhouse_driver
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import xml.etree.ElementTree as et
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import argparse
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import pprint
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import string
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import time
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import traceback
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def tsv_escape(s):
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return s.replace('\\', '\\\\').replace('\t', '\\t').replace('\n', '\\n').replace('\r','')
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stage_start_seconds = time.perf_counter()
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def report_stage_end(stage_name):
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global stage_start_seconds
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print('{}\t{}'.format(stage_name, time.perf_counter() - stage_start_seconds))
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stage_start_seconds = time.perf_counter()
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report_stage_end('start')
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parser = argparse.ArgumentParser(description='Run performance test.')
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# Explicitly decode files as UTF-8 because sometimes we have Russian characters in queries, and LANG=C is set.
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parser.add_argument('file', metavar='FILE', type=argparse.FileType('r', encoding='utf-8'), nargs=1, help='test description file')
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parser.add_argument('--host', nargs='*', default=['localhost'], help="Server hostname(s). Corresponds to '--port' options.")
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parser.add_argument('--port', nargs='*', default=[9000], help="Server port(s). Corresponds to '--host' options.")
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parser.add_argument('--runs', type=int, default=int(os.environ.get('CHPC_RUNS', 13)), help='Number of query runs per server. Defaults to CHPC_RUNS environment variable.')
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parser.add_argument('--no-long', type=bool, default=True, help='Skip the tests tagged as long.')
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args = parser.parse_args()
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test_name = os.path.splitext(os.path.basename(args.file[0].name))[0]
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tree = et.parse(args.file[0])
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root = tree.getroot()
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# Skip long tests
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for tag in root.findall('.//tag'):
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if tag.text == 'long':
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print('skipped\tTest is tagged as long.')
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sys.exit(0)
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# Check main metric
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main_metric_element = root.find('main_metric/*')
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if main_metric_element is not None and main_metric_element.tag != 'min_time':
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raise Exception('Only the min_time main metric is supported. This test uses \'{}\''.format(main_metric_element.tag))
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# FIXME another way to detect infinite tests. They should have an appropriate main_metric but sometimes they don't.
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infinite_sign = root.find('.//average_speed_not_changing_for_ms')
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if infinite_sign is not None:
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raise Exception('Looks like the test is infinite (sign 1)')
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# Print report threshold for the test if it is set.
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if 'max_ignored_relative_change' in root.attrib:
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print(f'report-threshold\t{root.attrib["max_ignored_relative_change"]}')
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# Open connections
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servers = [{'host': host, 'port': port} for (host, port) in zip(args.host, args.port)]
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connections = [clickhouse_driver.Client(**server) for server in servers]
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for s in servers:
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print('server\t{}\t{}'.format(s['host'], s['port']))
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report_stage_end('connect')
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# Process query parameters
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subst_elems = root.findall('substitutions/substitution')
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available_parameters = {} # { 'table': ['hits_10m', 'hits_100m'], ... }
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for e in subst_elems:
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available_parameters[e.find('name').text] = [v.text for v in e.findall('values/value')]
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# Take care to keep the order of queries -- sometimes we have DROP IF EXISTS
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# followed by CREATE in create queries section, so the order matters.
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def substitute_parameters(query_templates):
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result = []
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for q in query_templates:
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keys = set(n for _, n, _, _ in string.Formatter().parse(q) if n)
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values = [available_parameters[k] for k in keys]
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result.extend([
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q.format(**dict(zip(keys, values_combo)))
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for values_combo in itertools.product(*values)])
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return result
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report_stage_end('substitute')
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# Run drop queries, ignoring errors. Do this before all other activity, because
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# clickhouse_driver disconnects on error (this is not configurable), and the new
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# connection loses the changes in settings.
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drop_query_templates = [q.text for q in root.findall('drop_query')]
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drop_queries = substitute_parameters(drop_query_templates)
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for c in connections:
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for q in drop_queries:
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try:
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c.execute(q)
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except:
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pass
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report_stage_end('drop1')
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# Apply settings.
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# If there are errors, report them and continue -- maybe a new test uses a setting
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# that is not in master, but the queries can still run. If we have multiple
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# settings and one of them throws an exception, all previous settings for this
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# connection will be reset, because the driver reconnects on error (not
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# configurable). So the end result is uncertain, but hopefully we'll be able to
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# run at least some queries.
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settings = root.findall('settings/*')
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for c in connections:
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for s in settings:
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try:
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c.execute("set {} = '{}'".format(s.tag, s.text))
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except:
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print(traceback.format_exc(), file=sys.stderr)
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report_stage_end('settings')
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# Check tables that should exist. If they don't exist, just skip this test.
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tables = [e.text for e in root.findall('preconditions/table_exists')]
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for t in tables:
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for c in connections:
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try:
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res = c.execute("select 1 from {} limit 1".format(t))
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except:
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exception_message = traceback.format_exception_only(*sys.exc_info()[:2])[-1]
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skipped_message = ' '.join(exception_message.split('\n')[:2])
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print(f'skipped\t{tsv_escape(skipped_message)}')
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sys.exit(0)
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report_stage_end('preconditions')
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# Run create queries
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create_query_templates = [q.text for q in root.findall('create_query')]
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create_queries = substitute_parameters(create_query_templates)
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for c in connections:
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for q in create_queries:
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c.execute(q)
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# Run fill queries
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fill_query_templates = [q.text for q in root.findall('fill_query')]
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fill_queries = substitute_parameters(fill_query_templates)
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for c in connections:
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for q in fill_queries:
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c.execute(q)
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report_stage_end('fill')
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# Run test queries
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test_query_templates = [q.text for q in root.findall('query')]
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test_queries = substitute_parameters(test_query_templates)
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report_stage_end('substitute2')
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for query_index, q in enumerate(test_queries):
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query_prefix = f'{test_name}.query{query_index}'
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# We have some crazy long queries (about 100kB), so trim them to a sane
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# length. This means we can't use query text as an identifier and have to
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# use the test name + the test-wide query index.
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query_display_name = q
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if len(query_display_name) > 1000:
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query_display_name = f'{query_display_name[:1000]}...({query_index})'
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print(f'display-name\t{query_index}\t{tsv_escape(query_display_name)}')
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# Prewarm: run once on both servers. Helps to bring the data into memory,
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# precompile the queries, etc.
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try:
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for conn_index, c in enumerate(connections):
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prewarm_id = f'{query_prefix}.prewarm0'
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res = c.execute(q, query_id = prewarm_id)
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print(f'prewarm\t{query_index}\t{prewarm_id}\t{conn_index}\t{c.last_query.elapsed}')
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except KeyboardInterrupt:
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raise
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except:
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# If prewarm fails for some query -- skip it, and try to test the others.
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# This might happen if the new test introduces some function that the
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# old server doesn't support. Still, report it as an error.
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# FIXME the driver reconnects on error and we lose settings, so this might
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# lead to further errors or unexpected behavior.
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print(traceback.format_exc(), file=sys.stderr)
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continue
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# Now, perform measured runs.
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# Track the time spent by the client to process this query, so that we can notice
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# out the queries that take long to process on the client side, e.g. by sending
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# excessive data.
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start_seconds = time.perf_counter()
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server_seconds = 0
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for run in range(0, args.runs):
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run_id = f'{query_prefix}.run{run}'
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for conn_index, c in enumerate(connections):
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res = c.execute(q, query_id = run_id)
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print(f'query\t{query_index}\t{run_id}\t{conn_index}\t{c.last_query.elapsed}')
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server_seconds += c.last_query.elapsed
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client_seconds = time.perf_counter() - start_seconds
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print(f'client-time\t{query_index}\t{client_seconds}\t{server_seconds}')
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report_stage_end('benchmark')
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# Run drop queries
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drop_query_templates = [q.text for q in root.findall('drop_query')]
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drop_queries = substitute_parameters(drop_query_templates)
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for c in connections:
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for q in drop_queries:
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c.execute(q)
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report_stage_end('drop2')
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