| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Tatsuo Ishii <ishii(at)postgresql(dot)org>, tharakan(at)gmail(dot)com, PostgreSQL Bugs List <pgsql-bugs(at)postgresql(dot)org>, PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] pgbench -C -M prepared gives an error |
| Date: | 2016-03-17 13:20:14 |
| Message-ID: | CAB7nPqSkqEzTSN5oZ0_9-X5qKOCj3P81XPWW+0B3k9bcqK5bCg@mail.gmail.com |
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| Lists: | pgsql-bugs pgsql-hackers |
On Thu, Mar 17, 2016 at 2:14 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> It's certainly a bug that the combination of the switches doesn't work,
> and I already fixed it (47211af17a). My question was more towards
> whether -C is a useful benchmarking option at all. I cannot imagine
> a situation in which, if someone said "I'm doing only one transaction per
> session, and I have a performance problem", I would not answer "yes,
> and you just explained why".
-1 for removing it. I found myself in need of it just a couple of days
back when testing the GSSAPI encryption patch with a read-only quick
load to test if the patch was robust enough to handle a mountain of
connection attempts.
--
Michael
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