Confluence diagnostics: low free disk space
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
This diagnostic alert warns you when the free disk space for your local home or shared home directory falls below a set threshold.
The following appears in the application log:
1
ERROR ; OS ; OS-1002 ; Low free disk space ; not-detected ; ; ; {"directory":"...","freeInMegabytes":...,"totalInMegabytes":...,"minimumInMegabytes":...}This alert is enabled by default in Confluence 6.11 or later.
Solution
To resolve this issue
To resolve this issue you'll need to provision more disk space.
What will happen if I ignore this warning?
Once your disk is full, Confluence will be unable to write things like log files or scheduled backup files to disk. End users will also see an error when attempting to upload files if the drive where attachments are stored has run out of space.
Can I change the threshold?
Yes, you can change the threshold of this alert using the following system property:
diagnostics.os.min.free.disk.space.megabytes
See Configuring System Properties for more information on setting system properties.
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