On Tue, Oct 8, 2013 at 3:48 AM, Aftab Ahmed Chandio <aftabac@xxxxxxxxxx> wrote: > What do u suggest me, where I need to make performance tuning? w hich > configuration setting must need to modify in the linux? Well, others have already pointed out that you should first measure your query on the server. I would point out that the JVM itself could be different or differently configured on Linux/win machines, and this will lead to different results. Second it is not clear to me why are you measuring the same query on different machines and OSs, or better, why are you assuming the resulting time should be the same. Luca -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
