We just upgraded to Splunk 4.3.1 from 4.3 to address the memory leak issues. We have not updated the UFs since this would be a manual process at this point. Are there any know memory leak issues that are impacting the Ufs? I have UFs installed on my DCs and if Splunk crashes one of these - well you know the rest of the story!
Memory leak in process tracker. (SPL-48350)
Memory leaks in lookups. (SPL-48046)
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