Alex Leong

Adding the `-Xdump:heap:events=user` command line option allows a heapdump and javacore files to be created when a SIGQUIT signal is sent to the JVM. This can be triggered by running...

Eclipse MAT can be made to understand PHD heap dumps by adding the DTFJ plugin: 1. In MAT, go to help -> Install new software 2. Add a site: http://public.dhe.ibm.com/ibmdl/export/pub/software/websphere/runtimes/tools/dtfj/...

Thanks for this report @hsmade. That is a surprising behavior. I'd recommend taking a look in [WatermarkPool](https://github.com/twitter/finagle/blob/develop/finagle-core/src/main/scala/com/twitter/finagle/pool/WatermarkPool.scala) to see if something funny is going on there. The way that I...

@hsmade any luck investigating this?

Thanks, @MartinKosicky! Yes, I think you are correct that Linkerd should set the :scheme pseudoheader to `http` or `https` as appropriate when proxying the request rather than just forwarding the...

@fantayeneh can you go into more detail? How do we identify the source of a request? How do these sources get rendered into metric names? How would this be configured?...

@gsogol actually that sounds more like speculative/backup requests: https://github.com/linkerd/linkerd/issues/1069

Cool! I'd love to see it!

@thedebugger do you think this is related to https://github.com/linkerd/linkerd/issues/2251 at all?

@thedebugger gotcha. yes, I agree that #2245 would be hugely helpful to debug this. have you already looked at the namer state and confirmed that the affected Linkerds are not...