Article ID: 117352, created on Sep 18, 2013, last review on May 5, 2014

  • Applies to:
  • Virtuozzo 6.0
  • Virtuozzo containers for Linux

Symptoms

After server update, you can see very big load average inside containers:

# for i in `vzlist -octid`; do  echo --- $i ----- ;  vzctl exec $i uptime ; done

--- 111 -----
 00:56:33 up 16:17,  0 users,  load average: 162971.07, 132.73, 1956963456.99
--- 112 -----
 00:56:33 up 51 days,  7:47,  0 users,  load average: 13261.99, 108.44, 1978156084.14
--- 113 -----
 00:56:33 up 16:18,  0 users,  load average: 42822.59, 128.43, 2010376174.35
--- 114 -----
 00:56:33 up 16:17,  0 users,  load average: 28187.08, 128.59, 2032147251.06

Resolution

The issue is found in the kernel 2.6.32-042stab079.4, to resolve it update your server to the last kernel with yum update utility.

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