Thanks. Do you know of a solution? We definitely have images/other resources that are being sent. Is there a way to fix this so that the images/other resources do send the session information and thus only 1 session is opened and it gets closed?
_____ From: Sacha Michel Mallais [mailto:sa...@global-village.net] Sent: Thursday, January 22, 2009 3:54 PM To: vcmil...@cssg.com Cc: Sacha Michel Mallais; webobjects-deploy@lists.apple.com Subject: Re: Instances Tuning for High Transactional Sessions On Jan 22, 2009, at 12:43 PM, Vicky C. Miller wrote: We are finding that our WebObjects instances are becoming overwhelmed. We are seeing a high number of "Current Active Sessions" when we look at the Statistics even though we know that there are actually far fewer active users in our application. We are also seeing the following with a number of these instances: You'll probably also experience a problem getting the instances to Refuse New Sessions. I've seen this before, and I think it happens when you have images or other resources that makes requests of your app without sending the session info along, causing an 2 or more sessions to be created when hitting a single page. Avg. Memory Usage Per Session (bytes) Total Memory 102,300 Free Memory -129,468 These numbers have always been wrong for me, so I've learned to ignore them. :-) Does anyone have some tuning suggestions as well as killing these sessions regularly that do not appear to be active or timing out? We are running on SOLARIS. We have set the following parameter but going to 60 seconds does not seem to kill these extra sessions that we are currently seeing: /usr/sbin/ndd -set /dev/tcp tcp_time_wait_interval 60000. We are running WO 5.2.4, which is the highest WO version level that runs on SOLARIS. WO 5.2.x has some pretty serious bugs in deployment (you'll see a lot of ports in the "CLOSE_WAIT" state if you do an lsof on the wotaskd process). I highly recommend upgrading to 5.3 (not 5.4). sacha -- Sacha Michel Mallais 800 kg gorilla Global Village Consulting Inc. http://www.global-village.net/ PGP Key ID: 7D757B65 AIM: smallais 1. Never tell everything at once. -- Ken Venturi, Ken Venturi's Two Great Rules of Life
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