tzulitai commented on a change in pull request #30: [FLINK-16226] Add
Backpressure to HttpFunction
URL: https://github.com/apache/flink-statefun/pull/30#discussion_r382876852
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File path:
statefun-flink/statefun-flink-core/src/main/java/org/apache/flink/statefun/flink/core/httpfn/HttpFunction.java
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@@ -109,9 +137,17 @@ private void onAsyncResult(
handleInvocationResponse(context, invocationResult);
InvocationBatchRequest.Builder nextBatch = getNextBatch();
if (nextBatch == null) {
- hasInFlightRpc.clear();
+ // the async request was completed, and there is nothing else in the
batch
+ // so we clear the requestState.
+ requestState.clear();
return;
}
+ // an async request was just completed, but while it was in flight we have
+ // accumulated a batch, we now proceed with:
+ // a) clearing the batch from our own persisted state (the batch moves to
the async operation
+ // state)
+ // b) sending the accumulated batch to the remote function.
+ requestState.set(0);
Review comment:
So just to sum up 😄
I'm trying to clarify the intended backpressuring semantics w.r.t. some of
the variable namings here.
There seems to be some inconsistency in the naming?
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