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collect profiles during warmup

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This commit is contained in:
Alexander Kuzmenkov 2021-05-15 09:43:56 +03:00
parent 708f280605
commit 7719c1d933
1 changed files with 8 additions and 1 deletions
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9
docker/test/performance-comparison/perf.py
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@ -274,7 +274,14 @@ for query_index in queries_to_run:
try:
# Will also detect too long queries during warmup stage
res = c.execute(q, query_id = prewarm_id, settings = {'max_execution_time': args.max_query_seconds})
# During the warmup runs, we will also:
# * detect queries that are exceedingly long, to fail fast,
# * collect profiler traces, which might be helpful for analyzing
# test coverage. We disable profiler for normal runs because
# it makes the results unstable.
res = c.execute(q, query_id = prewarm_id,
settings = {'max_execution_time': args.max_query_seconds,
'query_profiler_real_time_period_ns': 10000000})
except clickhouse_driver.errors.Error as e:
# Add query id to the exception to make debugging easier.
e.args = (prewarm_id, *e.args)