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Thread: RAM Size in Solaris Server

  1. #1
    Contributing Member
    Join Date
    May 2006
    Answers
    75

    RAM Size in Solaris Server

    Where can we find the size of the RAM in the Solaris server?


  2. #2
    Junior Member
    Join Date
    May 2006
    Answers
    1

    Re: RAM Size in Solaris Server

    The command to find the Ram size in solaris is

    #prtconf | grep Mem



    Regards
    Nitin. P


  3. #3
    Contributing Member
    Join Date
    May 2006
    Answers
    71

    Re: RAM Size in Solaris Server

    Hi,
    Some interesting facts about this topic is
    Solaris is a virtual memory system. The total physical memory can be seen using prtconf. as said by user . Memory is allocated in units called pages, and you can use the pagesize command to know the number of bytes per page:

    % /usr/bin/pagesize

    Actually Physical memory usage can be classified into four groups:
    Kernel memory mapped into kernel address space
    Process memory is mapped into a process address space
    Filesystem cache memory that is not mapped into any address space
    Free memory that is not mapped into any address space

    Let us see how to find the memory usage of each:

    The simplest summary of kernel memory usage comes from sar.
    % sar -k 1

    Process memory consists of an address space divided into segments. The segments can be viewed using /usr/proc/bin/pmap on any system running Solaris 2.5 or later.

    % /usr/proc/bin/pmap

    File system has cache memory and this is the part of memory that is invisible.
    The memps -m command lists the files that are cached in order
    # memps -m | more

    Free memory that is not mapped into any address space

    Regards,
    Fred


  4. #4
    Junior Member
    Join Date
    Jul 2008
    Answers
    1

    Re: RAM Size in Solaris Server

    Thanks a lot Nitin.....This worked....to be very specific..it is

    For SunSolaris

    /usr/sbin/prtconf | grep Mem

    O/P: Memory size: 12288 Megabytes

    Last edited by harshasp; 09-25-2008 at 01:53 AM.

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