[router] remove store level metrics for non-streaming multiget #1306
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The store level metrics in AggRouterHttpRequestStats are registered lazily. Add a flag in AggRouterHttpRequestStats to disable store level metric emission for non-streaming multiget request type. This is cleaner and the less intrusive than adding checks and handling elsewhere because AggRouterHttpRequestStats and the triggers to corresponding record functions are shared across different request types (SINGLE_GET, MULTI_GET, MULTI_GET_STREAMING, COMPUTE, etc...). We will keep the total stats for non-streaming multiget to give us visibility in case any legacy clients start to make non-streaming multiget requests. Fixed a bug where recordNoAvailableReplicaAbortedRetryRequest was calling the wrong method for the store metric recording.
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[router] remove store level metrics for non-streaming multiget
The store level metrics in AggRouterHttpRequestStats are registered lazily. Add a flag in AggRouterHttpRequestStats to disable store level metric emission for non-streaming multiget request type. This is cleaner and the less intrusive than adding checks and handling elsewhere because AggRouterHttpRequestStats and the triggers to corresponding record functions are shared across different request types (SINGLE_GET, MULTI_GET, MULTI_GET_STREAMING, COMPUTE, etc...).
We will keep the total stats for non-streaming multiget to give us visibility in case any legacy clients start to make non-streaming multiget requests.
Fixed a bug where recordNoAvailableReplicaAbortedRetryRequest was calling the wrong method for the store metric recording.
How was this PR tested?
Existing and new tests
Does this PR introduce any user-facing changes?