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50 lines
1.1 KiB
Bash
Executable File
50 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: race
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unset CLICKHOUSE_LOG_COMMENT
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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set -o errexit
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set -o pipefail
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echo "
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DROP TABLE IF EXISTS rocksdb_race;
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CREATE TABLE rocksdb_race (key String, value UInt32) Engine=EmbeddedRocksDB PRIMARY KEY(key);
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INSERT INTO rocksdb_race SELECT '1_' || toString(number), number FROM numbers(100000);
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" | $CLICKHOUSE_CLIENT -n
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function read_stat_thread()
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{
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while true; do
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echo "
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SELECT * FROM system.rocksdb FORMAT Null;
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" | $CLICKHOUSE_CLIENT -n
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done
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}
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function truncate_thread()
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{
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while true; do
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sleep 3s;
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echo "
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TRUNCATE TABLE rocksdb_race;
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" | $CLICKHOUSE_CLIENT -n
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done
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}
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# https://stackoverflow.com/questions/9954794/execute-a-shell-function-with-timeout
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export -f read_stat_thread;
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export -f truncate_thread;
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TIMEOUT=20
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timeout $TIMEOUT bash -c read_stat_thread 2> /dev/null &
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timeout $TIMEOUT bash -c truncate_thread 2> /dev/null &
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wait
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$CLICKHOUSE_CLIENT -q "DROP TABLE rocksdb_race"
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