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move flatMap to after the broadcast hub #1346

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Sep 21, 2021
Merged

move flatMap to after the broadcast hub #1346

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2 changes: 1 addition & 1 deletion atlas-lwcapi/src/main/scala/com/netflix/atlas/lwcapi/SubscribeApi.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,6 @@ class SubscribeApi @Inject() (
// Create queue to allow messages coming into /evaluate to be passed to this stream
val (queue, queueSrc) = StreamOps
.blockingQueue[Seq[JsonSupport]](registry, "SubscribeApi", queueSize)
.flatMapConcat(Source.apply)
.toMat(BroadcastHub.sink(1))(Keep.both)
.run()

Expand All @@ -178,6 +177,7 @@ class SubscribeApi @Inject() (
}

val source = queueSrc
.flatMapConcat(Source.apply)
.merge(heartbeatSrc)
.via(StreamOps.monitorFlow(registry, "StreamApi"))
.watchTermination() { (_, f) =>
Expand Down