| From: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
|---|---|
| To: | Dylan Luong <Dylan(dot)Luong(at)unisa(dot)edu(dot)au> |
| Cc: | "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: clean out ./data/base/pgsql_tmp |
| Date: | 2017-12-07 04:26:18 |
| Message-ID: | CAEepm=14adBp4L6xhBYtNuF+=+gd+s-waJ1=dJWA+VExV4m5-g@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Thu, Dec 7, 2017 at 5:18 PM, Dylan Luong <Dylan(dot)Luong(at)unisa(dot)edu(dot)au> wrote:
> We have an issue where one of the developers ran a large query that hung was
> filling up the DATA drive very rapidly. From 50% usage to 95% in less than
> 2hrs.
>
> It created a very large pgsql_tmp size (300GB). To stop the drive filling up
> we had to kill the process manually using kill -9.
>
> How do we clean up the pgsql_tmp folder? Will Postgres periodically clean
> it? Ie CHECKPOINT?
Hi Dylan,
A clean shutdown/restart will clean it out. A crash restart (as
happens if you kill processes like that) doesn't clear away pgsql_tmp
data on the theory that it might be useful for forensics.
--
Thomas Munro
http://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Michael Paquier | 2017-12-07 04:36:26 | Re: clean out ./data/base/pgsql_tmp |
| Previous Message | Dylan Luong | 2017-12-07 04:18:28 | clean out ./data/base/pgsql_tmp |