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

help / color / mirror / Atom feed

From: Andres Freund <andres@anarazel.de>
To: Rakesh Kumar <rakeshkumar464@mail.com>
Cc: Stephen Frost <sfrost@snowman.net>
Cc: pgsql-general@lists.postgresql.org <pgsql-general@lists.postgresql.org>
Subject: Re: data-checksums
Date: Tue, 9 Jan 2018 10:39:24 -0800
Message-ID: <20180109183924.gmqo4ltdj7oxltla@alap3.anarazel.de> (raw)
In-Reply-To: <trinity-9ae7ee48-40c7-4820-ac76-c53e606435ab-1515520721430@3c-app-mailcom-lxa16>
References: <trinity-a78f07c6-1bc0-4bd4-8cd7-2c52a7384eb1-1515519726939@3c-app-mailcom-lxa01>
	<20180109175410.GH2416@tamriel.snowman.net>
	<trinity-9ae7ee48-40c7-4820-ac76-c53e606435ab-1515520721430@3c-app-mailcom-lxa16>

On 2018-01-09 18:58:41 +0100, Rakesh Kumar wrote:
> 
> > That said, imv anyway, the performance hit is small and having checksums
> > is well worth it.
> 
> I also would like to believe that the hit is small, but when PG
> official document writes "noticeable performance penalty", it becomes
> difficult to convince management that the hit is small :-)

noticeable != huge.

- Andres

view thread (19+ messages)  latest in thread

Message-ID: <20180109183924.gmqo4ltdj7oxltla@alap3.anarazel.de>
Permalink:  ../20180109183924.gmqo4ltdj7oxltla@alap3.anarazel.de/
Also on:    postgresql.org/message-id/20180109183924.gmqo4ltdj7oxltla@alap3.anarazel.de

copy link · copy postgr.es

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-general@postgresql.org
  Cc: andres@anarazel.de, rakeshkumar464@mail.com, sfrost@snowman.net, pgsql-general@lists.postgresql.org
  Subject: Re: data-checksums
  In-Reply-To: <20180109183924.gmqo4ltdj7oxltla@alap3.anarazel.de>

* 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