Re: Compression of full-page-writes

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: Rahila Syed <rahilasyed(dot)90(at)gmail(dot)com>
Cc: PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Compression of full-page-writes
Date: 2015-01-10 08:10:21
Message-ID: CAB7nPqTws+nfhgEzxh=S8abjvr2NwQUW4wfmni150Rz=4xmDnQ@mail.gmail.com
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On Fri, Jan 9, 2015 at 9:49 PM, Rahila Syed <rahilasyed(dot)90(at)gmail(dot)com> wrote:
>>So this test can be used to evaluate how shorter records influence
>>performance since the master waits for flush confirmation from the
>>standby, right?
>
> Yes. This test can help measure performance improvement due to reduced I/O
> on standby as master waits for WAL records flush on standby.
It may be interesting to run such tests with more concurrent
connections at the same time, like 32 or 64.
--
Michael

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