| From: | lst_hoe02(at)kwsoft(dot)de |
|---|---|
| To: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: cache Memory of server |
| Date: | 2015-06-08 14:15:38 |
| Message-ID: | 20150608161538.Horde.kMgTphOKpuuQgNFDE_Rts0o@webmail.kwsoft.de |
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| Lists: | pgsql-admin |
Zitat von "AL-Temimi, Muthana" <muthana(dot)al-temimi(at)tu-harburg(dot)hamburg(dot)de>:
> See the free command:
>
> am 08.06.2015 um 15:13 Uhr: --active connection: 305
> srvpgsql1:/opt/pgsql_data # free
> total used free shared buffers cached
> Mem: 12199684 8758400 3441284 1269784 231324 7139400
> -/+ buffers/cache: 1387676 10812008
> Swap: 6289404 0 6289404
>
> ----------------------------------------------------------------------
>
> am 08.06.2015 um 15:53 Uhr: --active connection: 278
>
> srvpgsql1:/opt/pgsql_data # free
> total used free shared buffers cached
> Mem: 12199684 8686228 3513456 1269784 232164 7164288
> -/+ buffers/cache: 1289776 10909908
> Swap: 6289404 0 6289404
>
This is the memory usage of the system (OS) and at least on Linux it
is using all available RAM for caching as needed and release it only
it it's needed otherwise. So what you are seeing here is expected
behaviour of Linux...
Regards
Andreas
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