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

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Edson Richter <edsonrichter(at)hotmail(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 20:06:40
Message-ID: CAOR=d=0GKjyia_WPdA+P41Z-UQLOBRJ34zfoL4VKDA=rK3DtnA@mail.gmail.com
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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.

On Mon, Mar 31, 2014 at 1:44 PM, Edson Richter <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>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
> (51) 8585-0796 *"A mente que se abre a uma nova ideia jamais voltará ao
> seu tamanho original"*
> - Albert Einstein
>

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