Re: Why does "checkpointer" is consumig ~1.2Gb of RAM?

From: Edson Richter <edsonrichter(at)hotmail(dot)com>
To: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Why does "checkpointer" is consumig ~1.2Gb of RAM?
Date: 2014-03-31 20:46:42
Message-ID: BLU0-SMTP28902DF9C33CF380C035112CF630@phx.gbl
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Em 31/03/2014 17:06, Scott Marlowe escreveu:
> It's not. If the RES shows 1215M And the SHR is 1214M, then
> checkpointer is only using 1M. The difference between the two is the
> shared memory. RES includes SHR.

Thanks, now I understand.

Regards,

Edson

>
>
> On Mon, Mar 31, 2014 at 1:44 PM, Edson Richter
> <edsonrichter(at)hotmail(dot)com <mailto:edsonrichter(at)hotmail(dot)com>> wrote:
>
> Em 31/03/2014 00:38, Scott Marlowe escreveu:
>>
>> On Sun, Mar 30, 2014 at 8:43 PM, Edson Richter
>> <edsonrichter(at)hotmail(dot)com <mailto:edsonrichter(at)hotmail(dot)com>> wrote:
>>
>> I'm curious about the "checkpointer" process and its
>> configuration.
>> What are the configuration options that affects the
>> checkpointer process?
>> Currently, under load, this process goes up to about 1.2GB of
>> RAM:
>>
>>
>>
>>
>> --
>>
>>
>> No it really doesn't. VIRT is every thing it touches whether it
>> uses it individually or with other processes. RES is what THIS
>> process is using all by itself. SHR is what it's accessing of
>> shared memory. Here's a short explanation of what those three
>> values mean:
>> http://linuxpoison.blogspot.com/2009/10/what-is-difference-among-virt-res-and.html
>>
>> Also for a more technical one run "man top" and search for RES,
>> SHR, and VIRT
>
> Yes, I understand that. That's why I've asked: why is checkpointer
> process consuming 1.2Gb of RAM (1215M RES more precisely), and
> which parameter affects its memory consumption?
>
> Thanks,
>
> Edson
>
>
> --
>
> *Edson Carlos Ericksson Richter*
> /Sistemas para Bibliotecas, Escolinhas Infantis
> Projetos sob medida para sua empresa/
> Celular: (51) 9318-9766 <tel:%2851%29%209318-9766>
> (51) 8585-0796 <tel:%2851%29%208585-0796>
> /"A mente que se abre a uma nova ideia jamais voltará ao seu
> tamanho original"/
> - Albert Einstein
>
>
>
>
>
> --
> To understand recursion, one must first understand recursion.

--

*Edson Carlos Ericksson Richter*
/Sistemas para Bibliotecas, Escolinhas Infantis
Projetos sob medida para sua empresa/
Celular: (51) 9318-9766
(51) 8585-0796
/"A mente que se abre a uma nova ideia jamais voltará ao seu tamanho
original"/
- Albert Einstein

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