Skip Inspecting Busy Indices on ILM CS Application #78471
Merged
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If the current combination of current-step and index has a running CS update task
enqueued there is no point in adding yet another task for this combination on the applier
and we can skip the expensive inspection for the index on the applier thread.
I didn't go further in terms of making this check during periodic application as well, just to keep the change simple and safe for now.
follow up to #78390