| From: | scott ribe <scott_ribe(at)elevated-dev(dot)com> |
|---|---|
| To: | Jakub Jedelský <jakub(dot)jedelsky(at)gmail(dot)com> |
| Cc: | "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: Clear FS caches after postgresql stops |
| Date: | 2017-11-27 13:22:25 |
| Message-ID: | 3DF72595-3A7B-457E-A922-95860398F365@elevated-dev.com |
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| Lists: | pgsql-admin |
On Nov 27, 2017, at 4:16 AM, Jakub Jedelský <jakub(dot)jedelsky(at)gmail(dot)com> wrote:
>
> Is it possible, that Postgresql leave some data in memory after its stop?
Not unless you turned fsynch off in the conf, and you really should NOT be doing that for production.
Remember that rsync normally compares timestamp & size, and that timestamps are often only 1-second precision. Thus it's possible for changes to be skipped unless you use the -c flag.
--
Scott Ribe
https://www.linkedin.com/in/scottribe/
(303) 722-0567
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