4125f012b9
Today we have the shard target and the target request ID available in SearchPhaseResults. Yet, the coordinating node maintains a shard index to reference the request, response tuples internally which is also used in many other classes to reference back from fetch results to query results etc. Today this shard index is implicitly passed via the index in AtomicArray which causes an undesirable dependency on this interface. This commit moves the shard index into the SearchPhaseResult and removes some dependencies on AtomicArray. Further removals will follow in the future. The most important refactoring here is the removal of AtomicArray.Entry which used to be created for every element in the atomic array to maintain the shard index during result processing. This caused an unnecessary indirection, dependency and potentially thousands of unnecessary objects in every search phase. |
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