Article ID: 117766, created on Oct 7, 2013, last review on May 10, 2014

  • Applies to:
  • Virtuozzo hypervisor

Symptoms

prl_disp_service (Parallels Dispatcher Service) consumes a lot of resources and causes high load:

[root@psbm ~]# top
top - 22:48:31 up 95 days, 13:07,  1 user,  load average: 30.44, 37.96, 36.81
Tasks: 1177 total,   1 running, 1176 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.8%us,  6.1%sy,  0.0%ni, 93.1%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:  131874264k total, 87087924k used, 44786340k free,   676716k buffers
Swap:  4194296k total,        0k used,  4194296k free, 61388476k cached

    PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
   9732 root      20   0 3715m  69m  19m S 200.3  0.1 238419:49 prl_disp_servic

Cause

This issue has been identified as a bug, it's ID is PSBM-18550.

Resolution

This bug has already been fixed in PSBM5 - Update 9. Please install all pending updates and reboot the node in order to fix this permanently. To install all updates execute following command:

# vzup2date -m batch install

Search Words

prl_disp_service

high load

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