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тАО01-16-2009 04:53 PM
тАО01-16-2009 04:53 PM
Total amount of system memory
My system is having 64GB of total memory and when I checked with glance -m I found that system is consuming more than 10GB of memory.
Can you please suggest how this can be reduced or is this the standard:
Total VM : 30.3gb Sys Mem : 10.4gb User Mem: 33.5gb Phys Mem: 63.7gb
Active VM: 26.1gb Buf Cache: 6.4gb Free Mem: 13.5gb
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тАО01-16-2009 10:54 PM
тАО01-16-2009 10:54 PM
Re: Total amount of system memory
do a
#dmseg| grep -i physical
what does that show, that is teh actual memory Physically installed in ur server.
alao u can see memory amount installed as in
do the cstm commsnd
#cstm
cstm>sel all
cstm>info;wait
cstm>infolog
and u can see the Memory Specications at the end of this display.
do not fprget to assign points please.
Regards
Sujit
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тАО01-17-2009 04:42 AM
тАО01-17-2009 04:42 AM
Re: Total amount of system memory
Check dbc_min_pct and dbc_max_pct if set to 5 and 50 (default)
set it to dbc_min_pct=3 & dbc_max_pct=5
Javed
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тАО01-18-2009 09:32 AM
тАО01-18-2009 09:32 AM
Re: Total amount of system memory
And the usage of dbc_max_pct is 100% so reducing the value of it may cause problem.
Please suggest. I want to know that out 0f 64 GB that reserved ~11GB for system is that standard value. I mean 25% of total memory, or it can be changed.
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тАО01-18-2009 09:43 AM
тАО01-18-2009 09:43 AM
Re: Total amount of system memory
swapinfo -tam is fairly easier to understand.
It also shows swap.
This figure: Phys Mem: 63.7gb
Shows the system is recognizing all physical memory.
The way I see your display, is system memory, which includes SGA and scuh use is 33.5 gb, the system memory, for OS and such is using a surprisingly high 10.4 GB, but that figure depends on what services you have running.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
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тАО01-18-2009 10:28 PM
тАО01-18-2009 10:28 PM
Re: Total amount of system memory
Please post more details of application which running on server .
Bibith
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тАО01-18-2009 11:54 PM
тАО01-18-2009 11:54 PM
Re: Total amount of system memory
your parameter is already set to *_max = 10 then try to monitor which system processes are consuming more memory.
check with this command
#export UNIX95=1;ps -ef -o comm,pcpu,vsz,args |more
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тАО01-19-2009 04:15 AM
тАО01-19-2009 04:15 AM
Re: Total amount of system memory
You don't want to export UNIX95, you just want it temporary:
UNIX95=EXTEMDED_PS ps -ef -o comm,pcpu,vsz,args
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тАО01-19-2009 07:45 AM
тАО01-19-2009 07:45 AM
Re: Total amount of system memory
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тАО01-19-2009 08:31 AM
тАО01-19-2009 08:31 AM
Re: Total amount of system memory
Now for the system memory, 10.4GB out of the 64GM mmeory is about 15%. That 's probably normal for a busy server and the newer itanium servers. It all depends what the kernel is doing, a lot of new i/o, paging etc. Need to look further in the process activity as already mentioned.