Re: ODBC Driver performance comparison

From: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
To: <vromanov(at)gmail(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ODBC Driver performance comparison
Date: 2014-09-05 06:41:59
Message-ID: 54095B37.6040206@vmware.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

I just replied to this on pgsql-odbc mailing list. Since we're talking
about client performance, please keep the discussion there.

On 09/05/2014 08:54 AM, Vladimir Romanov wrote:
> Hello all!
> I do some test with ODBC driver for PosgreSql, TimesTen & MySQL. I compare
> performance on very simple request. Database always located on same PC as
> test application. Test PC - Lenovo T500, Cnetos 6.5 64, 8 Gb RAM, SSD.
> I found what PostgreSql ODBC driver is slowest in comparison.
> IMHO problems related to protocol used. I can't use SHM connection to
> server or even UNIX socket.
>
> perftool report - http://freepcrf.com/files/db_test_pq.pdf
> chart 1 (w/o timesten) - http://freepcrf.com/files/drv_comp1.png
> chart 2 - http://freepcrf.com/files/drv_comp2.png
> test source - https://github.com/vvromanov/db_test
>
>

- Heikki

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Kyotaro HORIGUCHI 2014-09-05 06:42:05 Re: Escaping from blocked send() reprised.
Previous Message Pavel Stehule 2014-09-05 06:33:35 Re: Re: proposal: ignore null fields in not relation type composite type based constructors