| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Cache invalidation after authentication (on-the-fly role creation) |
| Date: | 2018-07-04 04:35:23 |
| Message-ID: | 20180704043523.GF1672@paquier.xyz |
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| Lists: | pgsql-hackers |
On Wed, Jul 04, 2018 at 04:25:18PM +1200, Thomas Munro wrote:
> Yeah, using "pgbench -c 8 -j 8 -T 60 --connect -S -M prepared
> postgres" I wasn't able to measure a significant difference on my
> laptop. The performance was equally terrible, at around 940 TPS +/-
> 10 including connection time. Adding to open commitfest.
I wanted to comment on that this morning but forgot as my mind was
driven away by another problem. What if you used the Julien-Rouhaud's
method of a custom script with only ";" used as query and -c? This
won't run any queries, and will stress authentication.
--
Michael
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