Re: Why does "checkpointer" is consumig ~1.2Gb of RAM? - Mailing list pgsql-general
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@hotmail.com> wrote:
Em 31/03/2014 00:38, Scott Marlowe escreveu: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?On Sun, Mar 30, 2014 at 8:43 PM, Edson Richter <edsonrichter@hotmail.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.htmlAlso for a more technical one run "man top" and search for RES, SHR, and VIRT
Thanks,
Edson--
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