Re: BUG #12834: Avoiding Disk Control Writes for better Laptop / SSD compatibility. pgstats

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От John R Pierce
Тема Re: BUG #12834: Avoiding Disk Control Writes for better Laptop / SSD compatibility. pgstats
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Msg-id 54FA11CD.9090406@hogranch.com
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Ответ на Re: BUG #12834: Avoiding Disk Control Writes for better Laptop / SSD compatibility. pgstats  (Bryce Nesbitt <bryce2@obviously.com>)
Ответы Re: BUG #12834: Avoiding Disk Control Writes for better Laptop / SSD compatibility. pgstats  (Claudio Freire <klaussfreire@gmail.com>)
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On 3/6/2015 10:46 AM, Bryce Nesbitt wrote:
> Given the use case on these machines, turning off auto vacuum
> completely was appropriate.
> The 1 minute vacuum is just fine for an active cluster, but the write
> churn on the SSD
> was not worth it here.  A read only workload would be fine.


eventually, you HAVE to vacuum for various reasons.  you might use a
cron job (or task scheduler) to setup a weekly job that does a vacuumdb -a).


--
john r pierce                                      37N 122W
somewhere on the middle of the left coast

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