memory usage Post: 302093188

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Operating Systems Solaris memory usage Post 302093188 by goasutlor on Tuesday 17th of October 2006 11:21:31 PM

10-18-2006

Registered User

may be you can use
sar -r 2 100 ( 2 is inteval time and 100 is polling number)

you must see like this

10:10:40 freemem freeswap
10:10:42 54903 4945408
10:10:44 54903 4945408

the result show you in pages , that mean now this system has freemem 54903 pages

if you want to calculate it to kbyte you use command

pagesize

that will show you like this

root@sol9_e250 # pagesize
8192

that mean 1 pagesize = 8k , if your system has 54903 pages , your system has freemem = (54903 *8)/1024 ~429 MB

+++++++++++++++++++++++
Second solution ( easy)

you use
vmstat 3 you shuold see like this

kthr memory
r b w swap free
0 0 0 2476904 447520
0 0 0 2473032 439552
0 0 0 2473032 439552

The memory tab , it shows

memory/swap: Free, unreserved swap space (Kb).
memory/free: Free memory (Kb). (Note that this will grow until it reaches lotsfree, at which point the page scanner is started. See "Paging" for more details.) ( lotsfree is one parameter in kernel that you can set it by mdb -kw )

Smilie

PS: Sorry about my weak english

goasutlor

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LEARN ABOUT OPENSOLARIS

pagesize

pagesize(1)							   User Commands						       pagesize(1)

NAME

       pagesize - display the size or sizes of a page of memory

SYNOPSIS

       /usr/bin/pagesize [-a]

DESCRIPTION

       The  pagesize  utility prints the default size of a page of memory in bytes, as returned by getpagesize(3C). This program is useful in con-
       structing portable shell scripts.

OPTIONS

       The following option is supported:

       -a    Prints out all possible hardware address translation sizes supported by the system.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       ppgsz(1), getpagesize(3C), getpagesizes(3C), attributes(5)

SunOS 5.11							    4 May 2001							       pagesize(1)

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