Hi Rohit, 19 mar 2014 kl. 01:36 skrev Rohit Gupta <[email protected]>:
> Hi Roland, > > you mention a “potential leak” and “getting similar stack traces”. How and > why exactly are these stack traces emitted? Due to a crash? > > These stack traces were seen in thread dumps when the application was > running. We suspect the number of threads with this trace accumulate over > time/load. > The thing we are worried about is the theads for netty connections, there are > 456 similar threads. [Attached file] > > Another thing: have you made certain that you don’t create ActorSystems other > than during application start-up? (we had reports of this kind where someone > had used `def` where `val` was meant—it happens to the best!) > > We create actorSystem only during start-up and use 'def' > >From the log it is clear that you have currently three instances of the same >actor system name running (and possibly had more before): make sure that you >really only create the ActorSystem once, e.g. by making it a `val`. > > > In any case, we would need to see the thread dump and the akka config from a > failing system in order to be certain. > > We are using the akka default configuration for our application, just > changing the host/port and logging properties. > I am attaching the thread dumps. I gave it a quick glance and what I see does not point towards a defect it Akka (you do seem to have Netty instances running on that server without properly capping its worker pools; I would guess that the machine has a lot of cores, right?). We cannot debug production issues on this mailing list for free—we simply don’t have the bandwidth—but we can certainly help you on commercial terms; in that case just ping me off-list. Regards, Roland > > > Thanks, > > -Rohit > > -- > >>>>>>>>>> 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/akka-user. > For more options, visit https://groups.google.com/d/optout. > <dump.txp> Dr. Roland Kuhn Akka Tech Lead Typesafe – Reactive apps on the JVM. twitter: @rolandkuhn -- >>>>>>>>>> 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
