Hi,

we are having one sun v240 server, now this server is performing very slow,
checked using top, iostat and vmstat commands, output is looking normal, but the performance is very slow and generating more traffic in network,
how can we resolve this.

Regards
RJS

No output, No help !
#psrinfo -p
#prtconf |grep Mem
#df -h
#metastat
#iostat -En |grep Hard
#prtconf -V

Hi,

last pid:  7307;  load avg:  0.24,  0.38,  0.52;       up 12+00:19:28  11:15:42
1319 processes: 1249 sleeping, 68 zombie, 1 stopped, 1 on cpu
CPU states: 93.2% idle,  1.9% user,  4.7% kernel,  0.2% iowait,  0.0% swap
Memory: 8192M phys mem, 560M free mem, 20G swap, 18G free swap

   PID USERNAME LWP PRI NICE  SIZE   RES STATE    TIME    CPU COMMAND
   583 dmanaval   1  29   10  313M  207M sleep    0:24  1.97% MP1JAA41.exe
  7303 root       1  48    0 3344K 2160K cpu      0:00  1.18% top
 13049 balajith   1  28   10  363M   34M sleep    4:45  0.98% M16RAN41.exe
 19760 mperumal   1  58    0 8560K 6672K sleep    0:01  0.39% dtterm
  4118 rrajend    1  29   10  200M   47M sleep   63:12  0.20% L5YYAA37.exe
 22084 sakthivc   1  58    0   13M   10M sleep    4:40  0.20% tightXvnc-1.2.9
 25004 svenkoba   1  58    0   13M 5520K sleep    0:14  0.20% tightXvnc-1.2.9
  7065 bpalsamy   1  58    0   13M   12M sleep    0:11  0.20% ld
   753 root       1  58    0 2240K 1584K sleep    0:07  0.20% snmpdx
  7299 svenkoba   1  40    0 4008K 2720K sleep    0:00  0.20% sdt_shell
  7285 svenkoba   1  50    0 7600K 4496K sleep    0:00  0.20% solregis
  7307 svenkoba   1  50    0 2048K 1448K sleep    0:00  0.20% quota
   187 root       6   0    0 5776K 3552K sleep  147:41  0.00% automountd
  9888 rrajend    1  29   10  200M   51M sleep   55:55  0.00% L5YYAA37.exe
 18610 senthipa   1  33    0   88M   84M sleep   30:14  0.00% tclsh8.4

root@isam148 # iostat -En |grep Hard
c1t0d0          Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
c1t1d0          Soft Errors: 0 Hard Errors: 0 Transport Errors: 0

root@isam148 # df -kF ufs
Filesystem            kbytes    used   avail capacity  Mounted on
/dev/dsk/c1t0d0s0    20655529 6695372 13753602    33%    /
/dev/dsk/c1t1d0s0    70592505 55340712 14545868    80%    /storage
/dev/dsk/c1t0d0s3    45802337 37130312 8214002    82%    /data

root@isam148 # psrinfo -p
1
root@isam148 # prtconf |grep Mem
Memory size: 8192 Megabytes

You have 68 zombie process in your server which causes the performance degrade. Please kill all these processes and check if becomes normal.

Thanks,
Deepak

While a zombie process is something to investigate, it cannot cause any performance issue as it uses no resources.
A zombie (a.k.a. defunct) process can't be killed as it is already dead. If the parent process doesn't properly handle the situation, It can be reaped with the preap command.

Are you able to reboot the server?