Hi Tyler, One way to find the metrics exported by Kafka is to use a tool like jconsole.
best, Colin On Wed, Dec 4, 2019, at 13:30, Tyler Lubeck wrote: > Wow, thank you. That covers everything I need. If I can take up a bit more > of your time, can you tell me how you found that? > > Thanks, > Tyler Lubeck > (813) 469 - 1499 > www.TylerLubeck.com <http://www.tylerlubeck.com/> > www.linkedin.com/in/tylerlubeck/ > > > > On Tue, Dec 3, 2019 at 3:57 AM Rajini Sivaram <rajinisiva...@gmail.com> > wrote: > > > Hi Tyler, > > > > We have metrics in Selector for successful and failed authentication. On > > the broker side, we have mbeans > > ` > > > > kafka.server:type=socket-server-metrics,listener=<listenerName>,networkProcessor=<processorNum>` > > > > These have attributes failed-authentication-rate, > > failed-authentication-total etc. There are similar metrics on clients too. > > Perhaps these give you what you are looking for? > > > > Regards, > > > > Rajini > > > > > > On Mon, Dec 2, 2019 at 6:54 PM Tyler Lubeck <ty...@tylerlubeck.com> wrote: > > > > > Hi! > > > > > > I ran into an issue over the weekend where our automated system updated > > > some of our brokers with a certificate signed by a new certificate > > > authority but didn't update the truststore on the other brokers. I've > > > dumped the stacktrace in a gist > > > <https://gist.github.com/TylerLubeck/a734514d8a2e9936f35e223f90f21307> > > for > > > context. > > > > > > From what I've been able to tell, this error only shows up in logs. It'd > > be > > > useful to have this reported via other metrics as well so I can detect > > the > > > problem sooner next time around. > > > > > > I *think* it'll be something like updating the SSLTransportLayer > > > < > > > > > https://github.com/apache/kafka/blob/be58580e14be93618f11e609389ff6bb16317702/clients/src/main/java/org/apache/kafka/common/network/SslTransportLayer.java#L50 > > > > > > > to > > > have a counter of number of failures and then registering itself as an > > > mbean via CoreUtils > > > < > > > > > https://github.com/apache/kafka/blob/33d06082117d971cdcddd4f01392006b543f3c01/core/src/main/scala/kafka/utils/CoreUtils.scala#L140 > > > >. > > > That said, I'm new to Java development and have only touched JMX from the > > > 'oh neat, metrics' side of things. > > > > > > Is this worth pursuing? Is this roughly the right track? I'm more than > > > happy to add this in but I'm not entirely sure how to start. > > > > > > Thanks, > > > Tyler Lubeck > > > (813) 469 - 1499 > > > www.TylerLubeck.com <http://www.tylerlubeck.com/> > > > www.linkedin.com/in/tylerlubeck/ > > > > > >
