Hello,
I'm running some simple HTTP performance measurements. I've created a
trivial "ping" endpoint (blindly returns "pong") in Akka HTTP and hit it
like this:
val now = System.currentTimeMillis()
(1 to 500).foreach(i => {
HttpUtil.send(HttpRequest(uri =
s"http://$IP:8082/ping";).withHeaders(ApiVerHeader("v1.0"))).status should
be(StatusCodes.OK)
})
val later = System.currentTimeMillis()
println("TIME: " + (later - now))
Ok, so I'm timing the send of 500 ping requests running on the same machine
as the server. My time for this was 3114ms. Granted these are fully
serialized in my test, and I will try a non-blocking client run, but I'm
still surprised by the low throughput. I thought the serialized test would
best show the overhead of the HTTP processing, vs total possible throughput.
I also see on my screen a few hundred of these messages:
13:47:51.953 [foo-akka.actor.default-dispatcher-17] ERROR
akka.actor.ActorSystemImpl - Outgoing request stream error
akka.stream.AbruptTerminationException: Processor actor
[Actor[akka://foo/user/StreamSupervisor-0/flow-1046-0-unknown-operation#291433690]]
terminated abruptly
Not sure what these are, or if they're just harmless noise generated when I
shut down my ActorSystem after the test.
Does this performance seem about right/expected? I was hopeful to see a
stronger showing since 2.4.2 was supposed to be getting closer to Spray's
performance.
Greg
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