| From: | "Rady, Doug" <radydoug(at)amazon(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PATCH: pgbench - option to build using ppoll() for larger connection counts |
| Date: | 2017-09-25 20:40:31 |
| Message-ID: | FA4D8514-E9C9-47ED-8205-67F27756210B@amazon.com |
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| Lists: | pgsql-hackers |
On 9/25/17, 11:07, "Andres Freund" <andres(at)anarazel(dot)de> wrote:
On 2017-09-25 18:01:40 +0000, Rady, Doug wrote:
> This patch enables building pgbench to use ppoll() instead of select()
> to allow for more than (FD_SETSIZE - 10) connections. As implemented,
> when using ppoll(), the only connection limitation is system resources.
Hm, is there any need of using ppoll over poll? IIRC it's a good bit
more common and there's, also iirc, a number of platforms with buggy
ppoll implementations.
Greetings,
Andres Freund
I used ppoll() as it can support the microseconds duration for \SLEEP meta command.
thanks!
doug
--
Doug Rady
Amazon Aurora PostgreSQL
radydoug(at)amazon(dot)com
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