public inbox for [email protected]  

help / color / mirror / Atom feed

From: Kanimozhi Manoharan <[email protected]>
To: [email protected]
Subject: Postgres fine tuning
Date: Fri, 31 May 2024 11:12:19 +0530
Message-ID: <CAA9MTjSNxx1u8v23u7M-ASKP7winDrOFUvue2UHRLqYexoCK4w@mail.gmail.com> (raw)

Hi Team,

Recently we migrated from the OS from Cent 7 to RHEL 8 version. Post
migration we are seeing high memory usage. Upon checking with RHEL team,
they are asking to fine tune the system for postgres and to configure huge
pages to improve the performance.

/etc/sysctl.conf
<snip>
vm.swappiness = 10
vm.dirty_expire_centisecs = 500
vm.dirty_writeback_centisecs = 250
vm.dirty_ratio = 15
vm.dirty_background_ratio = 3

Is this value recommended for all systems running postgres ? Please let me
know if it is fine to update this.

Regards,
Kanimozhi.

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: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: Postgres fine tuning
  In-Reply-To: <CAA9MTjSNxx1u8v23u7M-ASKP7winDrOFUvue2UHRLqYexoCK4w@mail.gmail.com>

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

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