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09-07-2006 08:36 AM
09-07-2006 08:36 AM
Alphaserver 1000 5/300 512MB memory
OpenVMS V7.3-1
Tcpware V5.7-2
CSWS V2.0
Everything is stable until I start CSWS, then I start losing memory. I've determined that, if I periodically kill any APACHE$SWSxxxx processes numbered 5 and above, the memory leak slows, but does not go away. The more active the web hits, the faster the memory disappears.
Anyone have an idea?
Solved! Go to Solution.
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09-07-2006 09:19 AM
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09-08-2006 01:13 AM
09-08-2006 01:13 AM
Re: memory leak with CSWS
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09-08-2006 12:00 PM
09-08-2006 12:00 PM
Re: memory leak with CSWS
Getting Started with OpenVMS: A Guide for New Users by Michael D. Duffy can provide an introduction on memory use by OpenVMS.
Andy
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09-08-2006 06:27 PM
09-08-2006 06:27 PM
Re: memory leak with CSWS
OpenVMS is a virtual memory system and pyhsical memory is a shared resource, which OpenVMS tries to provide as needed to all components of the operating system requesting physical memory.
OpenVMS (including XFC) try it's best to automatically balance the available physical memory against the memory requests. There are certain system parameters and user quotas, which control these algorithms.
A 'memory leak' in this context, would show up as increasing workingset and/or virtual page or pagefile usage by individual processes, finally leading to EXQUOTA or INSVIRMEM errors for those processes.
Overall physical memory shortage on a system will result in heavy hard-paging and/or swapping.
Volker.
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09-12-2006 08:06 AM
09-12-2006 08:06 AM