From: Marcelino Mata (mmata@multimatic.com)
Date: Wed Apr 21 2004 - 15:57:02 EDT
This might be a very basic question but...
Can someone tell me why various tools under Solaris show 2.3Gb SWAP used and
3.3Gb RAM used when it has 5GB RAM? I know it is not a tmpfs issue since
/tmp only has 2Mb of files.
I get those numbers from xosview, top, swap -s and SUN's CDE tool,
/usr/dt/bin/sdtwsinfo.
Running vmstat 5 I noticed that scanrate "sr" is 0 so everything is good...
Sure beats 200+ scanrate when the system had 1.5GB RAM.
Searching SunManagers archive, I read this response to this type of question
:
"swap is reserved when processes are placed in memory. This is just in case
the entire process needs to be swapped out."
Does that mean that 2.3Gb is not actually in use? swap -s reports 286Mb
reserved so what's the other 2GB?
Does anyone know the command line tool for better information under Solaris
8?
I tried using,
mdb -k
> ::memstat
but I think that option is only for Solaris 9. I tried using ::kmastat but
the output was 3 pages long.
As per our application vendor, /etc/systems is
forceload: sys/msgsys
forceload: sys/pipe
forceload: sys/semsys
forceload: sys/shmsys
set shmsys:shminfo_shmseg=32
set shmsys:shminfo_shmmax=67108864
set msgsys:msginfo_msgmax=32768
set msgsys:msginfo_msgmnb=65536
set msgsys:msginfo_msgseg=8192
set rlim_fd_cur=256
This is a Blade1000 used for running a CAD/CAM application.
Thanks for any help,
Marcelino
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