So the real issue seems to be this one: https://github.com/netty/netty/issues/7255
I'm using netty 4.1.22.Final on Linux (Ubuntu 16.04, OpenJDK 1.8.0_151). Rogan On Monday, March 12, 2018 at 2:48:52 PM UTC+2, Rogan Dawes wrote: > > Hi Nat, > > Thanks for the pointer. It does sound quite similar! > > I've experienced the problem on both OS X and Linux, but more prevalent on > OS X, I'd say. Next time it happens, I'll try put a breakpoint in that > method, and trace it to see what is happening. > > Rogan > > > On Mon, Mar 12, 2018 at 1:05 PM Nat <[email protected] <javascript:>> > wrote: > >> Sounds similar to this issue: https://github.com/netty/netty/issues/2465 >> Which platform is it? Linux version? >> >> >> >> On Tuesday, February 27, 2018 at 10:53:31 PM UTC-8, Rogan Dawes wrote: >>> >>> (Apologies if this is a duplicate post) >>> >>> I am writing an app using Netty (4.1.16-Final), that after a while ends >>> up using 100% CPU (on multiple cores, in some cases). >>> >>> I used VisualVM to try get an idea what was going on, and it showed up >>> as being: >>> >>> io.netty.channel.nio.SelectedSelectionKeySetSelector.select() >>> >>> I have attached a screenshot showing a more detailed trace. >>> >>> Any ideas what could be causing SelectedSelectionKeySetSelector.select() >>> to spin like this? >>> >>> Thanks! >>> >>> Rogan >>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Netty discussions" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/netty/a7235d0e-7821-4a44-b8bd-caa553c2e68d%40googlegroups.com >> >> <https://groups.google.com/d/msgid/netty/a7235d0e-7821-4a44-b8bd-caa553c2e68d%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Netty discussions" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/netty/1036701e-bed3-4c7d-ba0a-83b7dbfeb92c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
