Garbage collection is specific to the JVM. Which *could* include more than one app. Certainly more than 1 user.
We've done a ton of WAS testing lately. They need to do some research before asking for it to be made bigger. There are gc traces and things like Introscope and tivoli performance viewer (free with WAS) that can give you data about what's going on. Marcy Cortes "This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation." -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Mark Post Sent: Friday, December 09, 2005 9:39 AM To: [email protected] Subject: Re: [LINUX-390] zLinux/SLES9, WebSphere 6.x - recommended max. Java heapsize I'm not at all familiar with WAS internals. Is garbage collection specific to a particular session? If not, then your suggestion will affect everyone, not only the particular user that just got a response. It would likely generate a lot more garbage collection activity than otherwise. Mark Post -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of Adam Thornton Sent: Friday, December 09, 2005 11:25 AM To: [email protected] Subject: Re: zLinux/SLES9, WebSphere 6.x - recommended max. Java heapsize -snip- Also, I think I dimly recall that there's some way in Java to force garbage collection. So in your app, pick a place where you're generally waiting for the user anyway--maybe right after repainting the screen waiting for user input--and force a gc there. Since the user will presumably be reading new data from the screen anyway, he won't notice that the system is briefly unresponsive, since he's not actually telling it to do anything at that moment. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
