Bruce Momjian <br...@momjian.us> wrote: > if a write happens in both the first and second half of a second, While I'm not sure whether I believe that granularity is really to the nanosecond, a stat of a table in a production database on xfs shows this: Modify: 2012-07-24 10:15:44.096415501 -0500 So presumably both writes would need to happen within a much smaller time frame than a second. -Kevin
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