CPU spike after running Bamboo server or a remote agent on a Linux box
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
Your java applications (Bamboo server, remote agent or any other java based application) suddenly start to use 100% CPU on a Linux box. There are no other installed applications that might be causing the problem. There are enough resources for the java program to run.
Cause
You are stumbling on java leap second bug (it's a bug in Linux kernel for some distributions, and only java programs seem to be affected).
Resolution
Run this command to restart 'ntp' service:
1
service ntpd stop; date -s "`date`";service ntpd start
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