>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 -- View this message in context: http://postgresql.nabble.com/Compression-of-full-page-writes-tp5769039p5833389.html Sent from the PostgreSQL - hackers mailing list archive at Nabble.com. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers