Space or PDF export causes poor performance

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Confluence is slow, or intermittently unresponsive.


A space or page backup is occurring. This is potentially an expensive operation as there are a sequence of expensive in-memory transformations that must take place to persist the data as XML. Note this is not necessarily a root cause of a performance problem but it can contribute in severe ways to a performance issue if the page is large and has many links/macros referencing other spaces.


  1. Check the thread dumps for multiple occurrences of this action.
  2. Eliminate or re-schedule the page backup. If the page is not known, the user & page can be isolated with access logging.
  3. Allocate additional memory to Confluence

See also CONFSERVER-19815.

Last modified on Feb 8, 2018

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