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Full Discussion: Swap space issue
Top Forums UNIX for Advanced & Expert Users Swap space issue Post 302699445 by solaris_1977 on Tuesday 11th of September 2012 04:57:45 PM
Old 09-11-2012
Swap space issue
I have Solaris-10 with mutiple zones running in it. My Big Brother monitoring is complaining for very less swap space available, but I am not able to find, what process has consumed its swap space and how to clear it. All zones including global server have almost blank /tmp with very less data.
HTML Code:
root@apps_serv201:/# df -h /tmp
Filesystem             size   used  avail capacity  Mounted on
swap                   512M    88K   512M     1%    /tmp
root@apps_serv201:/# /usr/sbin/swap -s
total: 75843704k bytes allocated + 39689080k reserved = 115532784k used, 1395416k available
root@apps_serv201:/# /bin/vmstat 1 2 | tail -1
 16 0 0 1394080 43647304 81 135 0 0 0 0  0  0  0  0  0 40221 49765 43543 10 4 86
root@apps_serv201:/# /usr/sbin/swap -l
swapfile             dev  swaplo blocks   free
/dev/zvol/dsk/rpool/swap 256,1      16 25165808 24877088
I downloaded a script called swapinfo and that gave me this info --
PHP Code:
root@apps_serv201:/# /var/tmp/swapinfo
RAM  _____Total 131072.0 Mb
RAM    Unusable  2436.1 Mb
RAM      Kernel 12859.0 Mb
RAM      Locked 98162.2 Mb
RAM        Used -25007.9 Mb
RAM       Avail 42622.5 Mb
Disk _____Total 12288.0 Mb
Disk      Alloc   141.0 Mb
Disk       Free 12147.0 Mb
Swap _____Total 114179.5 Mb
Swap      Alloc 74060.4 Mb
Swap    Unalloc 38733.0 Mb
Swap      Avail  1386.1 Mb
Swap  (MinFree) 16100.7 Mb
root@apps_serv201:/# 
PHP Code:
root@apps_serv201:/# echo ::memstat | mdb -k
Page Summary                Pages                MB  %Tot
------------     ----------------  ----------------  ----
Kernel                     995817              7779    6%
ZFS File Data              322707              2521    2%
Anon                      9483981             74093   58%
Exec and libs               10027                78    0%
Page cache                 253496              1980    2%
Free (cachelist)            33201               259    0%
Free (freelist)           5387854             42092   33%
Total                    16487083            128805
Physical                 16465391            128635 
Please help
Last edited by solaris_1977; 09-11-2012 at 06:10 PM..
 

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