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тАО01-01-2007 07:11 PM
тАО01-01-2007 07:11 PM
I've a question about memory alloaction problem. When run a applicaion, it failed to starting may be due to no continue memory. The free memory is enough to run the AP, but AP need a continuous memory to allocate.
Is there any solution to let memory to be continue without reboot machine ?
Thanks,
Solved! Go to Solution.
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тАО01-01-2007 08:46 PM
тАО01-01-2007 08:46 PM
Re: memory not continous
each process is allocated a certain amount of memory it can use.
See ulimit -a
Why don't you allocate the amount of memory you need for the AP at the start of the program (i.e. use an array)
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тАО01-01-2007 09:20 PM
тАО01-01-2007 09:20 PM
Re: memory not continous
Due to the AP vendor said that the memory not cotinue, so the program not starting correctly. But this is not sure the root cause. I just want to know, is it possible re-orginize memory to be contigue in HPUX ?
Thanks,
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тАО01-01-2007 09:37 PM
тАО01-01-2007 09:37 PM
Solutionthe concept of contiguous memory is not really true, please see Bills answer in:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1054587
This referred thread is another example of why people should always complete threads detailing the solution. Would have been helpful for this case.
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тАО01-01-2007 11:56 PM
тАО01-01-2007 11:56 PM
Re: memory not continous
Remember that shared memory can not bypass quadrants of memory in the system, there for either the company that created the Appl never study hp-ux architecture or you need to defragment your memory.
Regards,
Jaime.
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тАО01-02-2007 12:40 AM
тАО01-02-2007 12:40 AM
Re: memory not continous
32bit programs have severe limitations for memory management, one of them being that a single shared memory map is used for all 32bit applications. So as applications are stopped and started, this map can become fragmented. The only way to prevent this is to use memory windows so each application has it's own memory map. This assumes that you are running on a supported version of HP-UX.
Bill Hassell, sysadmin
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тАО01-02-2007 12:47 AM
тАО01-02-2007 12:47 AM
Re: memory not continous
Someday I wish I can be as smart as you, those answers are worth money!
Regards,
Jaime.
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тАО01-02-2007 04:49 AM
тАО01-02-2007 04:49 AM