| From: | Greg Smith <greg(at)2ndquadrant(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Spread checkpoint sync |
| Date: | 2011-01-18 01:46:21 |
| Message-ID: | 4D34F0ED.6070902@2ndquadrant.com |
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| Thread: | |
| Lists: | pgsql-hackers |
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.
--
Greg Smith 2ndQuadrant US greg(at)2ndQuadrant(dot)com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.us
"PostgreSQL 9.0 High Performance": http://www.2ndQuadrant.com/books
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