Thanks for input. It looks like a DB2 issue which is caused by long sql statement in app. After Tune up DB and the performence is back up.
Hassan Schroeder-2 wrote: > > On Wed, Aug 11, 2010 at 12:24 AM, Rajesh G > <rajes...@corpusmobilelabs.com> wrote: >> Well you can identify why it is slow using YSlow: > > YSlow is not made to diagnose problems like the OP describes (an > intermittent unresponsiveness on the server side). > >> I have downloaded Roller 4.01 recently and set it up on Tomcat 5.5 with >> Java >> 1.5 and DB2 version 9. > > Old version of Tomcat, old version of Java, incomplete versions , no > configuration info -- not particularly useful. And I know nothing about > DB2, so ... > >> Some time, not all the time, it is getting very slow and I have to wait >> for >> 10-20 seconds to get my request back. > > Profile your app. You could have too little/too much memory allocated > and that pause is GC going on. Or it could be something else running > on the box taking resources. Or the DB has stopped responding. Or > you've exhausted the DB connection pool, or any number of things... > > FWIW, > -- > Hassan Schroeder ------------------------ hassan.schroe...@gmail.com > twitter: @hassan > > -- View this message in context: http://old.nabble.com/It-is-kind-of-slow-tp29392760s12275p29420928.html Sent from the Roller - User mailing list archive at Nabble.com.
