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45 lines
1.1 KiB
Bash
Executable File
45 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Sandbox does not provide CAP_NET_ADMIN capability but does have ProcFS mounted at /proc
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# This ensures that OS metrics can be collected
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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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function read_numbers_func()
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{
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$CLICKHOUSE_CLIENT -q "
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SELECT * FROM numbers(600000000) FORMAT Null SETTINGS max_threads = 1
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";
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}
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function show_processes_func()
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{
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while true; do
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sleep 0.1;
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# These two system metrics for the generating query above are guaranteed to be nonzero when ProcFS is mounted at /proc
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$CLICKHOUSE_CLIENT -q "
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SELECT count() > 0 FROM system.processes\
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WHERE has(ProfileEvents.Names, 'OSCPUVirtualTimeMicroseconds') AND has(ProfileEvents.Names, 'OSReadChars')\
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SETTINGS max_threads = 1
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" | grep '1' && break;
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done
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}
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export -f read_numbers_func;
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export -f show_processes_func;
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TIMEOUT=3
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timeout $TIMEOUT bash -c read_numbers_func &
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timeout $TIMEOUT bash -c show_processes_func &
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wait
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echo "Test OK"
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