On Jun 8, 2015, at 7:23 AM, AL-Temimi, Muthana <muthana.al-temimi@tu-harburg.hamburg.de> wrote:
>
> we have postgresql 9.1 installed on Suse Enterprice Linux Server. The RAM is 12GB, When the concurrent connections
275reached the cached memory on Server 5GB and when the concurrent increased into 305 increase also the cache memory
8.5GB.but when the concurrent connections decreased into for example 165 the cache memory not decreased. The question
why?Did I mess something the postgresql.conf
>
> any help will be grateful..
Probably also good to confirm what you mean by "cache memory"--what exactly are you measuring? For instance, if you're
measuringthe OS cache for the file system, then no, it wouldn't be expected to ever decrease until something else
neededthe memory...
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Scott Ribe
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