I have updated the ticket with the config I am using. On Friday, April 10, 2015 at 2:52:47 AM UTC-7, Akka Team wrote: > > I added a ticket: https://github.com/akka/akka/issues/17171 > > On Fri, Apr 10, 2015 at 10:23 AM, Endre Varga <endre...@typesafe.com > <javascript:>> wrote: > >> Wow! This is an interesting finding, we need to investigate. >> >> -Endre >> >> On Fri, Apr 10, 2015 at 3:38 AM, Jeff <jknigh...@gmail.com <javascript:>> >> wrote: >> >>> I have been able to isolate the code that is running differently between >>> the two different actor providers. Below is the receive of the >>> offending actor: >>> >>> var now: Long = _ >>> >>> def receive = { >>> case UserMessage.LookupOrgsResponse(_, uo) => >>> now = new Date().getTime >>> >>> db ! OrgMessage.BatchLookupByIds(uo.map( _.orgId )) >>> db ! PersonMessage.BatchLookupById(uo.map( _.personId )) >>> >>> case OrgMessage.BatchLookupResponse(os) => >>> println(s"orgs took ${new Date().getTime - now} ms") >>> orgs = Some(os); process >>> >>> case PersonMessage.BatchLookupByIdResponse(ps) => >>> println(s"persons took ${new Date().getTime - now} ms") >>> persons = Some(ps); process >>> } >>> >>> When running with provider = "akka.remote.RemoteActorRefProvider", I >>> get the following times: >>> >>> persons took 15 ms >>> orgs took 57 ms >>> >>> orgs took 13 ms >>> persons took 55 ms >>> >>> orgs took 15 ms >>> persons took 57 ms >>> >>> orgs took 19 ms >>> persons took 61 ms >>> >>> orgs took 12 ms >>> persons took 52 ms >>> >>> persons took 27 ms >>> orgs took 68 ms >>> >>> orgs took 14 ms >>> persons took 55 ms >>> >>> And when I run it with provider = "akka.cluster.ClusterActorRefProvider" >>> I get: >>> >>> orgs took 12 ms >>> persons took 14 ms >>> >>> orgs took 15 ms >>> persons took 20 ms >>> >>> persons took 13 ms >>> orgs took 15 ms >>> >>> orgs took 12 ms >>> persons took 16 ms >>> >>> orgs took 10 ms >>> persons took 12 ms >>> >>> Again, nothing in the business logic is changing. I am simply changing >>> the provider in the application.conf and making the routers cluster aware. >>> These results are consistent on a warmed jvm. >>> >>> >>> On Thursday, April 9, 2015 at 12:10:38 AM UTC-7, drewhk wrote: >>>> >>>> Hi Jeff, >>>> >>>> On Thu, Apr 9, 2015 at 7:59 AM, Jeff <jknigh...@gmail.com> wrote: >>>> >>>>> I am building an actor system that basically has a topology of spray >>>>> -> business logic actor -> slick. I initially built these using akka >>>>> remote, but have recently switch over to akka cluster. In testing these >>>>> systems, I have noticed that round trip calls through the system take >>>>> half >>>>> the time using akka cluster as they did using akka remote. Literally, the >>>>> only thing changed between benchmarks is the actor provider. Why would >>>>> akka >>>>> cluster provider perform so much better on identical workloads? I was >>>>> under >>>>> the impression that akka cluster built on top of akka remote. >>>>> >>>> >>>> This is indeed strange. ClusterActorRefProvider actually extends >>>> RemoteActorRefProvider: https://github.com/akka/akka/blob/ >>>> 8485cd2ebb46d2fba851c41c03e34436e498c005/akka-cluster/src/ >>>> main/scala/akka/cluster/ClusterActorRefProvider.scala#L26 >>>> >>>> Do you have a small example that demonstrates this? It would be >>>> interesting to investigate what is the source of difference. Maybe >>>> deathwatch, I don't know. >>>> >>>> -Endre >>>> >>>> >>>>> -- >>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/ >>>>> current/additional/faq.html >>>>> >>>>>>>>>> Search the archives: https://groups.google.com/ >>>>> group/akka-user >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Akka User List" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to akka-user+...@googlegroups.com. >>>>> To post to this group, send email to akka...@googlegroups.com. >>>>> Visit this group at http://groups.google.com/group/akka-user. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> -- >>> >>>>>>>>>> Read the docs: http://akka.io/docs/ >>> >>>>>>>>>> Check the FAQ: >>> http://doc.akka.io/docs/akka/current/additional/faq.html >>> >>>>>>>>>> Search the archives: >>> https://groups.google.com/group/akka-user >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Akka User List" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to akka-user+...@googlegroups.com <javascript:>. >>> To post to this group, send email to akka...@googlegroups.com >>> <javascript:>. >>> Visit this group at http://groups.google.com/group/akka-user. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> >>>>>>>>>> Read the docs: http://akka.io/docs/ >> >>>>>>>>>> Check the FAQ: >> http://doc.akka.io/docs/akka/current/additional/faq.html >> >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user >> --- >> You received this message because you are subscribed to the Google Groups >> "Akka User List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to akka-user+...@googlegroups.com <javascript:>. >> To post to this group, send email to akka...@googlegroups.com >> <javascript:>. >> Visit this group at http://groups.google.com/group/akka-user. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Akka Team > Typesafe - Reactive apps on the JVM > Blog: letitcrash.com > Twitter: @akkateam >
-- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
