Re: PostgreSQL Database performance - Mailing list pgsql-general

From Jim Nasby
Subject Re: PostgreSQL Database performance
Date
Msg-id c7b7211e-0feb-535b-741f-dd4d962be0f1@BlueTreble.com
Whole thread Raw
In response to Re: PostgreSQL Database performance  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-general
On 9/6/16 2:08 PM, Scott Marlowe wrote:
>> checkpoint_completion_target = 0.9
> Too high of a checkpoint completion target may cause buffers to get
> written out more often than needed. but it varies based on load etc.

The odds on that don't seem to be terribly high. Even if that is a
common occurrence if it's enough to make a difference then you're
already close to the limits of your IO, and if that's true then you
definitely want to spread the checkpoint out over a longer interval.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com
855-TREBLE2 (855-873-2532)   mobile: 512-569-9461


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