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Operating Systems Solaris i have conflict with memory utilization Post 302701433 by maxim42 on Sunday 16th of September 2012 04:20:53 AM
Old 09-16-2012
i have conflict with memory utilization

dear all,

kindly i want to check my server memory utilization i used alot of commands but i want to make sure that it is acurate let me explain


i have a server which has 32GB RAM
Code:
Total Memory = 33423360 kb
Free Memory = 4172568 kb
Utilized Memory = 29250792 kb
 Memory Utilization Percentage = 87.5 %

if Utilized Memory = 29250792 kb how can i make sure which processes eat this amount of memory


I listed the top proceses i found the following
if i sum the amount of memory by each process from the flowing it will not equal the utilized memory 29250792 kb so i want to know which processes eat the amount of memory

i found also the swap device is free and not used my system now in test cycle and the memory reached to 87% i want to make sure that if it in the production it will still has 87% and use the swap space or exceed the amount of memory

i tested another server it has memory utilization like 46% and after rebooting it it was 29% so i want to make sure that how memory work it has some processes sleep in memory after we has a new instruction enterd the memory it will free some of the old processes ?
top processes using memory
Code:
SIZE RSS PROCESS/NLWP
2580M 866M be-engine/1408
478M 428M java/3647
476M 418M java/3647
324M 320M esd/4
123M 107M java/113
131M 103M java/18
24M 22M svc.startd/15
29M 22M msragent/10
21M 18M nscd/31
35M 16M nsrexecd/4
33M 15M nsrmmd/1
33M 15M nsrmmd/1
17M 14M inetd/4
19M 13M fmd/27
13M 12M svc.configd/16

swap device
/dev/zvol/dsk/rpool/swap 256,1 16 67108848 67108848

whem it will use free swap ?
Code:
free swap = 30375816k
used Swap = 4569504k

how come the amount of memory percentage in these processes that run by these users is equal to 7.4 % and the memory utilization is equal to 87%
Code:
 NPROC USERNAME  SWAP   RSS MEMORY      TIME  CPU                             
     3 user1     2547M  870M   2.7%   5:31:59 0.3%
    63 root      1538M 1476M   4.5%  92:09:30 0.1%
    10 user2    7264K   17M   0.1%   0:00:00 0.0%
     2 user3     1672K   10M   0.0%   0:00:01 0.0%
     8 daemon     11M   17M   0.1%   0:15:05 0.0%

forgive me for my weak english

Last edited by jim mcnamara; 09-16-2012 at 08:58 AM..
 

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install-solaris(1M)                                                                                                            install-solaris(1M)

NAME
install-solaris - install the Solaris operating system SYNOPSIS
install-solaris install-solaris invokes the Solaris Install program. Depending on graphical capability and available memory at the time of invocation, install-solaris invokes either a text-based installer or a graphical installer. The following minimum requirements for physical memory dictate which features are available during installation: For SPARC machines: 128 MB Minimum physical memory for all installation types 128 MB Minimum physical memory required for windowing system 384 MB Minimum physical memory required for graphical-based installation For x86 machines: 256 MB Minimum physical memory for all installation types 256 MB Minimum physical memory required for windowing system 512 MB Minimum physical memory required for graphical-based installation In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number of fea- tures available. install-solaris exists only on the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the for more details. install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the installation media. Refer to the for disk space requirements. Refer to the for more information on the various menus and selections. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcdrom (Solaris instal- | | |lation media) | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ pkginfo(1), install(1M), pkgadd(1M), attributes(5) It is advisable to exit install-solaris by means of the exit options in the install-solaris menus. 23 Sep 2005 install-solaris(1M)
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