"GC (Allocation Failure) PSYoungGen:" multiple messages in atlassian-jira-gc-xxx.log.0.current logs

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

Summary

Multiple "GC (Allocation Failure) PSYoungGen:" messages are present in atlassian-jira-gc-xxx.log.0.current logs

Environment

Any Java application

Cause

This is simply an informative message in the logs that Young generation segment in JAVA heap has ran out of space and objects are being promoted into tenured generation

Solution

Most of the times these messages simply indicate that JAVA garbage collection process is performing garbage collections in the Young generation; This is normal as long as there is no performance or stability impact

If you experience performance or stability impact - please log a support case with Atlassian Support and we'll be happy to investigate!

Updated on April 11, 2025

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