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36 lines
961 B
Bash
Executable File
36 lines
961 B
Bash
Executable File
#!/usr/bin/env bash
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# Regression for MemoryTracker that had been incorrectly accounted
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# (it was reseted before deallocation)
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#
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# For this will be used:
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# - two-level group by
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# - max_memory_usage_for_user
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# - one users' query in background (to avoid reseting max_memory_usage_for_user)
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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. $CURDIR/../shell_config.sh
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set -o pipefail
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function execute_null()
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{
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${CLICKHOUSE_CLIENT} --format Null -n "$@"
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}
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function execute_group_by()
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{
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local opts=(
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--max_memory_usage_for_user=$((150<<20))
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--max_threads=2
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)
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execute_null "${opts[@]}" <<<'SELECT uniq(number) FROM numbers_mt(toUInt64(1e6)) GROUP BY number % 5e5'
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}
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# This is needed to keep at least one running query for user for the time of test.
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execute_null <<<'SELECT sleep(3)' &
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execute_group_by
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# if memory accounting will be incorrect, the second query will be failed with MEMORY_LIMIT_EXCEEDED
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execute_group_by
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wait
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