Trace-&-Perf-Support

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Samples

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# StartTrace
curl -d '{"file": "trace_output.txt", "filter": "kTraceFilterNone"}' "http://somehost:port/db/mydb?cmd=StartTrace"
# EndTrace
curl -d '{}' "http://somehost:port/db/mydb?cmd=EndTrace"

Trace

Start End
StartTrace EndTrace
StartIOTrace EndIOTrace
StartBlockCacheTrace EndBlockCacheTrace

Reset

ResetPerf and ResetIOPerf, with optional parameter perf_level.