Re: Compression of full-page-writes

From: Rahila Syed <rahilasyed(dot)90(at)gmail(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Compression of full-page-writes
Date: 2015-01-09 12:49:41
Message-ID: 1420807781813-5833389.post@n5.nabble.com
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>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.

>Isn't that GB and not MB?
Yes. That is a typo. It should be GB.

>How many FPWs have been generated and how many dirty buffers have been
>flushed for the 3 checkpoints of each test?

>Any data about the CPU activity?
Above data is not available for this run . I will rerun the tests to gather
above data.

Thank you,
Rahila Syed

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