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a25dd1d348
Server settings: - max_local_read_bandwidth_for_server - max_local_write_bandwidth_for_server Query settings: - max_local_read_bandwidth - max_local_write_bandwidth This is the preparation for adding ability to throttle BACKUPs Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
26 lines
1.0 KiB
Bash
Executable File
26 lines
1.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: no-s3-storage
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CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CUR_DIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT -nm -q "
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drop table if exists data;
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create table data (key UInt64 CODEC(NONE)) engine=MergeTree() order by tuple() settings min_bytes_for_wide_part=1e9, min_bytes_for_compact_part=0;
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"
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query_id=$(random_str 10)
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# writes 1e6*8 bytes with 1M bandwith it should take (8-1)/1=7 seconds
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$CLICKHOUSE_CLIENT --query_id "$query_id" -q "insert into data select * from numbers(1e6) settings max_local_write_bandwidth='1M'"
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$CLICKHOUSE_CLIENT -nm -q "
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SYSTEM FLUSH LOGS;
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SELECT
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query_duration_ms >= 7e3,
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ProfileEvents['WriteBufferFromFileDescriptorWriteBytes'] > 8e6,
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ProfileEvents['LocalWriteThrottlerBytes'] > 8e6,
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ProfileEvents['LocalWriteThrottlerSleepMicroseconds'] > 7e6
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FROM system.query_log
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WHERE current_database = '$CLICKHOUSE_DATABASE' AND query_id = '$query_id' AND type != 'QueryStart'
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"
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