Re: Compression of full-page-writes - Mailing list pgsql-hackers

From Rahila Syed
Subject Re: Compression of full-page-writes
Date
Msg-id 1420807781813-5833389.post@n5.nabble.com
Whole thread Raw
In response to Re: Compression of full-page-writes  (Michael Paquier <michael.paquier@gmail.com>)
Responses Re: Compression of full-page-writes
List pgsql-hackers
>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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