[JIRA] (OVIRT-1768) PHX engine: java.lang.OutOfMemoryError: GC overhead limit exceeded

[Evgheni Dereveanchin (oVirt JIRA)]

Evgheni Dereveanchin created OVIRT-1768:
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             Summary: PHX engine: java.lang.OutOfMemoryError: GC overhead limit exceeded
                 Key: OVIRT-1768
                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1768
             Project: oVirt - virtualization made easy
          Issue Type: Bug
          Components: Hosting
            Reporter: Evgheni Dereveanchin
            Assignee: infra
            Priority: High


Today I found the PHX engine portal in running very slow. Looking at the system, engine.log is full of stack traces with "java.lang.OutOfMemoryError: GC overhead limit exceeded" error.

Memory on the system:
{{# free -m}}
{{              total        used        free      shared  buff/cache   available}}
{{Mem:           7810        3752         475         165        3582        3576}}
{{Swap:          4095        1097        2998}}

Engine version:
{{# rpm -q ovirt-engine}}
{{ovirt-engine-4.1.6.2-1.el7.centos.noarch}}

Kernel/java version:
{{# uname -a}}
{{Linux engine-phx 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux}}
{{# which java}}
{{/bin/java}}
{{# ls -l /bin/java}}
{{lrwxrwxrwx. 1 root root 22 Oct  6 05:16 /bin/java -> /etc/alternatives/java}}
{{# ls -l /etc/alternatives/java}}
{{lrwxrwxrwx. 1 root root 73 Oct  6 05:16 /etc/alternatives/java -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64/jre/bin/java}}

Will put the HA in maintenance, restart and upgrade the Engine



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