[pgpool-general: 2165] Re: pgpool latency, hesitation under load

Tatsuo Ishii ishii at postgresql.org
Fri Sep 27 09:35:31 JST 2013


Andre,

Thank you for your information. I can observe the problem you
mentioned earlier.  In the mean time I have made a patch to mitigate
the problem. I would be helpful if you could try the patch to see if
it works or not. Just in case, I attach the message I sent.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

> Hello, Tatsuo
> I hope the list server do not strip the attachments.
> The graph is from some days ago, displaying a business day using pgpool-II and
> the following day using pgbouncer.
> 
> Regards.
> Andre Felipe
> http://www.techforce.com.br
> 
> 
> 
> On 24/Sep/2013 21:02 Tatsuo Ishii <ishii at postgresql.org> wrote ..
>> Thanks for your precise report. Your analysis is very helpful and I'm
>> going to think about how to enhance the connection queuing mechanism
>> used in pgpool-II. In the mean time I think adding attachments should
>> be allowed in the list. I'm very interested in the graph and query
>> plan. If you have problem in attaching them, please let me know.
>> --
>> Tatsuo Ishii
>> SRA OSS, Inc. Japan
>> English: http://www.sraoss.co.jp/index_en.php
>> Japanese: http://www.sraoss.co.jp
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Subject: [pgpool-general: 2162] Re: pgpool latency, hesitation under load
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