Product Documentation

Database Administrator's Guide

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SNAPSHOT_TRANTIME_USEC <tran time histogram interval width in microseconds>

The SNAPSHOT feature includes a histogram of transaction times. There is a small amount of overhead associated with mutex calls to collect clean statistics.

SNAPSHOT_TRANTIME_USEC can change the default histogram intervals (box width) for the transaction time histogram (default of 50,000 µsec or 0.05 seconds).