Re: Millisecond-precision connect_timeout for libpq - Mailing list pgsql-hackers

From Merlin Moncure
Subject Re: Millisecond-precision connect_timeout for libpq
Date
Msg-id CAHyXU0xyj53agUgYUV2WUR9O7wLcnMg+RHZM-x39rcW+Z-vgbA@mail.gmail.com
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In response to Re: Millisecond-precision connect_timeout for libpq  (Josh Berkus <josh@agliodbs.com>)
List pgsql-hackers
On Fri, Jul 5, 2013 at 3:01 PM, Josh Berkus <josh@agliodbs.com> wrote:
> On 07/05/2013 12:26 PM, Tom Lane wrote:
>> ivan babrou <ibobrik@gmail.com> writes:
>>> If you can figure out that postgresql is overloaded then you may
>>> decide what to do faster. In our app we have very strict limit for
>>> connect time to mysql, redis and other services, but postgresql has
>>> minimum of 2 seconds. When processing time for request is under 100ms
>>> on average sub-second timeouts matter.
>>
>> If you are issuing a fresh connection for each sub-100ms query, you're
>> doing it wrong anyway ...
>
> It's fairly common with certain kinds of apps, including Rails and PHP.
>  This is one of the reasons why we've discussed having a kind of
> stripped-down version of pgbouncer built into Postgres as a connection
> manager.  If it weren't valuable to be able to relocate pgbouncer to
> other hosts, I'd still say that was a good idea.

for the record, I think this is a great idea.

merlin



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