[jira] [Created] (CLOUDSTACK-5811) When to run a few days a virtual router using the system service offerings of 2-core CPU, the virtual router to hang

["satoru nakaya (JIRA)" <ji...@apache.org>]

satoru nakaya created CLOUDSTACK-5811:
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             Summary: When to run a few days a virtual router using the system service offerings of 2-core CPU, the virtual router to hang
                 Key: CLOUDSTACK-5811
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5811
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Virtual Router
    Affects Versions: 4.1.1
         Environment: Apache CloudStack 4.1.1
CentOS 6.3 (64 bit) , CentOS 6.4 (64 bit)
            Reporter: satoru nakaya


When to run a few days a virtual router using the system service offerings of 2-core CPU, the virtual router to hang.

Hang up when using KVM.
Not hang up when using XenServer.

virtual router:
 Console screen black out
 Can not SSH connection
 No Ping response

 200% CPU usage of qemu-kvm
 # top

top - 08:54:42 up 39 days, 21:53,  1 user,  load average: 5.33, 5.06, 4.79
Tasks: 158 total,   1 running, 157 sleeping,   0 stopped,   0 zombie
Cpu(s): 75.5%us, 24.4%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.1%si,  0.0%st
Mem:   3916176k total,  1343824k used,  2572352k free,   147740k buffers
Swap: 33409016k total,        0k used, 33409016k free,   200324k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
31469 root      20   0 2230m 196m 4548 S 202.5  5.1  35297:02 qemu-kvm
31702 root      20   0 1910m 192m 4548 S 192.2  5.0  35214:30 qemu-kvm
30422 root      20   0 1515m 276m 4568 S  4.0  7.2 487:06.56 qemu-kvm
    1 root      20   0 19228 1488 1200 S  0.0  0.0   0:00.62 init
    2 root      20   0     0    0    0 S  0.0  0.0   0:00.06 kthreadd




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