We are running a small installation of Bamboo and JIRA on an Amazon EC2 m3.large instance.
JIRA works fine, but every so often the Bamboo java process hits 180% of CPU and stays there for 10+ minutes, making the UI virtually unusable (20+ seconds per click).
I've delved into various options and settings, but nothing seems to change the issue:
We are running an older build (Atlassian Bamboo version 4.2.1 build 3213 - 28 Aug 12), and are not in a position short term to update, though we will once our current release is out the door.
Any pointers appreciated!
If you restart bamboo, does it stop? If so, check out this.
I am assuming there is nothing in your bamboo logs showing thing like out of memory which would mean you need to increase jvm memory or virtual machine memory.
I noticed out-of-memory and plugin-timeout errors during log-scan. Will try memory increase.
And it failed to stop itself when I tried to stop Bamboo service. Had to "kill-nine" it. After restarting, CPU is at normal levels - but I am sure it will escalate to previous high levels in CPU usage, in a day or so.
P.S.: My Bamboo installation is latest current version as of time of this post.
It seems to be a java/linux issue as spotted here: http://stackoverflow.com/questions/11283271/jvm-always-beyond-100-cpu-usage-in-centos-6
It happened for me to on CentOS 7.1 / Bamboo 5.10.3 / openjdk "1.8.0_51" and the fix worked.
Also referenced here: https://lxadm.com/Java_leap_second_bug_%E2%80%93_30_June_/_1_July_2012_%E2%80%93_fix
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