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тАО09-25-2007 06:52 AM
тАО09-25-2007 06:52 AM
Re: memory utilization
Send to them the "Tru64 UNIX - System Configuration and Tuning" manual, available at the HP Tru64 documentation web page, and ask them to read the sections:
1.5.1.1 Using the UBC
4.4.1.3 Modifying the Percentage of Physical Memory the UBC is Using
11.1.3 Tuning the UBC
12├в 1 UBC Memory Allocation
If they are unhappy with UBC memory utilization, change the kernel value menthioned before.
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тАО09-26-2007 05:50 AM
тАО09-26-2007 05:50 AM
Re: memory utilization
if Total Physical Memory=8192.00 M=1048576 pages does that means 1 page equal the 0.007815 MB, if that then my free memory that is
free pages = 4816=4816*0.007815 MB=37MB
ubc pages = 668845 means 5227MB
can i assume that total free memory is 5254MB and rest are Memory Utilised????
Please clear my doubt...
All will get good points......
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тАО09-26-2007 06:30 AM
тАО09-26-2007 06:30 AM
Re: memory utilization
please any one can tell how to know the page size?????
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тАО09-26-2007 06:44 AM
тАО09-26-2007 06:44 AM
Re: memory utilization
1.6 Memory Resources
The total amount of physical memory is determined by the capacity of the memory boards installed in your system. The virtual memory (vm) subsystem tracks and manages this memory in 8-KB portions called pages, distributing them among the following areas:
- Static wired memory
- Dynamically wired memory
- Physical memory for processes and data caching
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тАО09-26-2007 06:52 AM
тАО09-26-2007 06:52 AM
Re: memory utilization
As per your statement one page size is of 8k but some where it is also mentioned 4K is that system specific??? if yes then how i will get what paging size my system is using i am having tru64 v5.1. if there is any command or method to know that will solve my problem.....
thank again in advance
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тАО09-26-2007 07:04 AM
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тАО09-26-2007 07:13 AM
тАО09-26-2007 07:13 AM
Re: memory utilization
thanks
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тАО09-26-2007 07:26 AM
тАО09-26-2007 07:26 AM
Re: memory utilization
vmstat 5
Virtual Memory Statistics: (pagesize = 8192)
See the the header. No doubts there.
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тАО09-26-2007 07:42 AM
тАО09-26-2007 07:42 AM
Re: memory utilization
free pages = 4816... about 39MB ready for immediate use.
inactive pages = 100738... about 825MB not referenced now and reusable after VM cleanup.
ubc pages = 668845... about 5.4GB that will be reallocated as needed. Note that ubc is where applications have their running code and data that lives on disk unless this is something like an oracle database applicattion.
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