Confluence index floods the temp folder with tmp files from pptx files
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
When confluence reindex, it creates a lot of files in the confluence_install/temp folder and can easily reach Gigabytes of information after some time of confluence usage.
Cause
This is caused by a bug in Confluence office connector extractor for PPTX files that doesn't clean the temporary files after reindexing them. It is stated here: CONFSERVER-33898 - Confluence index floods the temp folder with tmp files from pptx files.
Workaround
Disable the index of PPT and PPTX files for now as stated here: How to disable indexing of attachments
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