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Re: fsync and battery-backed caches
- From: Tino Wildenhain <tino(at)wildenhain(dot)de>
- To: Javier Somoza <jsomoza(at)pandasoftware(dot)es>
- Cc: pgsql-performance(at)postgresql(dot)org
- Subject: Re: fsync and battery-backed caches
- Date: Mon, 27 Feb 2006 11:12:57 +0100
Javier Somoza schrieb:
Hi all Is it secure to disable fsync havin battery-backed disk cache?Thx
No. fsync moves the data from OS memory cache to disk-adaptor cache which is required to benefit from battery backup. If this data is written to the plates immediately depends on settings of your disk adaptor card. Regards Tino
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