| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Tory M Blue <tmblue(at)gmail(dot)com> |
| Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: checkpoints, proper config |
| Date: | 2015-12-10 20:00:38 |
| Message-ID: | 5669D9E6.8050104@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On 12/10/2015 10:35 AM, Tory M Blue wrote:
>
> Thiis valid regardless of the workload?
Yes.
> Seems that I would be storing a
> ton of data and writing it once an hour, so would have potential perf
> hits on the hour. I guess I'm not too up to date on the checkpoint
> configuration.
No, that isn't how it works.
http://www.postgresql.org/docs/9.4/static/wal-configuration.html
>
> My settings on this particular DB
>
> fsync = off
This will cause data corruption in the event of improper shutdown.
>
> #synchronous_commit = on
>
I would turn that off and turn fsync back on.
JD
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