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 <nat....@gmail.com <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 netty+un...@googlegroups.com <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 netty+unsubscr...@googlegroups.com. 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.
