rabbah commented on a change in pull request #2421: Fix order of messages being
sent by the ContainerPool.
URL:
https://github.com/apache/incubator-openwhisk/pull/2421#discussion_r124445786
##########
File path:
core/invoker/src/main/scala/whisk/core/dispatcher/ActivationFeed.scala
##########
@@ -103,14 +110,29 @@ protected class ActivationFeed(
} else logging.debug(this, "dropping fill request until feed is
drained")
case n: ActivationNotification =>
+ downstreamCapacity += 1
pipelineOccupancy -= 1
logging.info(this, s"received ActivationNotification: $n /
pipelineOccupancy=$pipelineOccupancy /
pipelineFillThreshold=$pipelineFillThreshold")
if (pipelineOccupancy < 0) {
logging.error(this, "pipelineOccupancy<0")
}
+ send()
fill()
}
+ /** Send as many messages as we're allowed to, or as we have depending on
what happens first. */
+ @tailrec
+ private def send(): Unit = {
+ if (downstreamCapacity > 0 && outstanding.size > 0) {
+ downstreamCapacity -= 1
Review comment:
it seems unnecessary to had a pipeline capacity and in the presence of an
internal buffer - the size of the buffer is the pipeline capacity.
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