pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: Justin Pryzby <pryzby@telsasoft.com>
To: 徐志宇徐 <xuzhiyuster@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: How to monitor Postgres real memory usage
Date: Thu, 26 May 2022 18:35:28 -0500
Message-ID: <20220526233528.GD19626@telsasoft.com> (raw)
In-Reply-To: <CAOCebiJN2TGQ_me=XE3Z6L-rdfZNf=rCh+QtJpExf0VCb8wfcg@mail.gmail.com>
References: <CAOCebi+i=HPofBSdvs1RftcZpAHg81R9jqmr5xTJm0dGSDUMNQ@mail.gmail.com>
	<20220524174050.GI19626@telsasoft.com>
	<CAOCebiLgKWe1Erbt-mqWrg6fhv_bBF-O4atZvWQaYoi+rTDvEQ@mail.gmail.com>
	<20220526160519.GB19626@telsasoft.com>
	<CAOCebiJN2TGQ_me=XE3Z6L-rdfZNf=rCh+QtJpExf0VCb8wfcg@mail.gmail.com>

On Fri, May 27, 2022 at 01:39:15AM +0800, 徐志宇徐 wrote:
> Hi Justin
> 
>   Thanks for you explaination.
> 
>   > > What postgres version ?
>   > > How was it installed ?  From souce?  From a package ?
>   I am using Postgres 11.1 .It's installed by package.

This is quite old, and missing ~4 years of bugfixes.

What's the output of these commands?
tail /proc/sys/vm/overcommit_*
tail /proc/sys/vm/nr_*hugepages /proc/cmdline
cat /proc/meminfo
uname -a

-- 
Justin





view thread (9+ messages)  latest in thread

Message-ID: <20220526233528.GD19626@telsasoft.com>
Permalink:  ../20220526233528.GD19626@telsasoft.com/
Also on:    postgresql.org/message-id/20220526233528.GD19626@telsasoft.com

 · 

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: pryzby@telsasoft.com, xuzhiyuster@gmail.com, pgsql-performance@lists.postgresql.org
  Subject: Re: How to monitor Postgres real memory usage
  In-Reply-To: <20220526233528.GD19626@telsasoft.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox