Confluence is Slow While Watching an Embedded Video
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
Problem
While watching an embedded video (attachment) via the multimedia macro, Confluence performs slowly and becomes unresponsive. Although the video is locally stored attachments, it may take more than a minute to load a small video file. However, once the video is stopped streaming, Confluence will return to normal operation.
Diagnosis
Environment
Happens in all browsers.
Confluence 6.0 or above.
Diagnostic Steps
A HAR file shows exceptionally long load time for the video.
There may be no related error in the logs.
Can't replicate the problem while Confluence is on safe mode.
Happens to a blank page with one small sized video as well.
Workaround
Please disable (temporarily) Advanced Redirection Plugin by hasCode.com if it's running in your Confluence instance.
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