Bruce Momjian wrote:
Should we be writing until 2:30 then sleep 30 seconds and fsync at 3:00?

The idea of having a dead period doing no work at all between write phase and sync phase may have some merit. I don't have enough test data yet on some more fundamental issues in this area to comment on whether that smaller optimization would be valuable. It may be a worthwhile concept to throw into the sequencing.

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Greg Smith   2ndQuadrant US    g...@2ndquadrant.com   Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support  www.2ndQuadrant.us
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