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Full Discussion: Memory Missing ?
Operating Systems Solaris Memory Missing ? Post 302343853 by JohnJacobChacko on Thursday 13th of August 2009 10:59:29 PM
Old 08-13-2009
Memory Missing ?

Hello All,

I have oracle running on Solaris 5.10 SPARC 64bit.
Physical memory is 16Gb.

Code:
 NPROC USERNAME  SWAP   RSS MEMORY      TIME  CPU
   114 oraprd     13G   13G    82% 513:25:53 0.4%
    46 root      180M  225M   1.4% 149:13:33 0.1%
     6 daemon     42M   45M   0.3%  14:01:59 0.0%

the above prstat -t shows the usage is 13g+225m+45m ~= 14g
So, there should be 2Gb left free isn't it ?

But top command says only 888m is free.

top
Code:
CPU states: 97.3% idle,  1.3% user,  1.4% kernel,  0.0% iowait,  0.0% swap
Memory: 16G phys mem, 888M free mem, 16G swap, 16G free swap

vmstat
Code:
 0 0 0 15267768 907448 389 1304 0 4 4 0  0  0  0  0  0 1791 6466 2342  1  1 98

Could someone help me figure out where the memory has gone ?
Are there some memory consuming processes which are not shown in prstat ?

TIA,
John
 

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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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