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Re: Hibernate over postgresql - Mailing list pgsql-jdbc

From Dave Cramer
Subject Re: Hibernate over postgresql
Date
Msg-id CADK3HH+1SDgfeFu5JsbqLTq7na20Wy0Rx14imb+3pHXUGHGGDw@mail.gmail.com
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In response to Re: Hibernate over postgresql  (amithbm <amithbm@gmail.com>)
Responses Re: Hibernate over postgresql  (Vitalii Tymchyshyn <vit@tym.im>)
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Well the server doesn't control when ACK's are sent. I'd say this is some artifact of the network/ OS

Dave Cramer

dave.cramer(at)credativ(dot)ca
http://www.credativ.ca


On 11 June 2014 03:20, amithbm <amithbm@gmail.com> wrote:
amithbm wrote
> I installed 9.2.7 keeping the client the same. The performance was even
> better than before (100%-150% better) and the ACKs were still being
> treated as asynchronous (Deduced by looking at tcpdump)
> But the problem remains with the other 9.2.7 server (With the same client)
> where ACKs are treated as synchronous and hence my round trip time is
> more.

It may be important to mention here that the machine with the issue has a
virtual IP configured. So clients connect to it using this virtual IP. The
other machine which works fine doesn't have virtual IP configured.



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