[8.x] Improve handling of failure to create persistent task (#114386) #114523
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Today if creating a persistent task fails with an exception then we submit a cluster state update to fail the task but until that update executes we will retry the failing task creation and cluster state submission on all other cluster state updates that change the persistent tasks metadata. With this commit we register a placeholder task on the executing node to block further attempts to create it until the cluster state update is processed.
DaveCTurner
added
:Distributed/Task Management
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Backports the following commits to 8.x: