Thanks, that works for me. +1 By the way, we don't normally port KIPs to older releases, but I wonder if it's worth making an exception here. From recent experience, it tends to be the older versions that are more prone to fetcher failures. Thoughts?
-Jason On Fri, Apr 26, 2019 at 5:18 AM Viktor Somogyi-Vass <viktorsomo...@gmail.com> wrote: > Let me have a second thought, I'll just add the clientId instead to follow > the convention, so it'll change DeadFetcherThreadCount but with the > clientId tag. > > On Fri, Apr 26, 2019 at 11:29 AM Viktor Somogyi-Vass < > viktorsomo...@gmail.com> wrote: > > > Hi Jason, > > > > Yea I think it could make sense. In this case I would rename the > > DeadFetcherThreadCount to DeadReplicaFetcherThreadCount and introduce the > > metric you're referring to as DeadLogDirFetcherThreadCount. > > I'll update the KIP to reflect this. > > > > Viktor > > > > On Thu, Apr 25, 2019 at 8:07 PM Jason Gustafson <ja...@confluent.io> > > wrote: > > > >> Hi Viktor, > >> > >> This looks good. Just one question I had is whether we may as well cover > >> the log dir fetchers as well. > >> > >> Thanks, > >> Jason > >> > >> > >> On Thu, Apr 25, 2019 at 7:46 AM Viktor Somogyi-Vass < > >> viktorsomo...@gmail.com> > >> wrote: > >> > >> > Hi Folks, > >> > > >> > This thread sunk a bit but I'd like to bump it hoping to get some > >> feedback > >> > and/or votes. > >> > > >> > Thanks, > >> > Viktor > >> > > >> > On Thu, Mar 28, 2019 at 8:47 PM Viktor Somogyi-Vass < > >> > viktorsomo...@gmail.com> > >> > wrote: > >> > > >> > > Sorry, the end of the message cut off. > >> > > > >> > > So I tried to be consistent with the convention in LogManager, hence > >> the > >> > > hyphens and in AbstractFetcherManager, hence the camel case. It > would > >> be > >> > > nice though to decide with one convention across the whole project, > >> > however > >> > > it requires a major refactor (especially for the components that > >> leverage > >> > > metrics for monitoring). > >> > > > >> > > Thanks, > >> > > Viktor > >> > > > >> > > On Thu, Mar 28, 2019 at 8:44 PM Viktor Somogyi-Vass < > >> > > viktorsomo...@gmail.com> wrote: > >> > > > >> > >> Hi Dhruvil, > >> > >> > >> > >> Thanks for the feedback and the vote. I fixed the typo in the KIP. > >> > >> The naming is interesting though. Unfortunately kafka overall is > not > >> > >> consistent in metric naming but at least I tried to be consistent > >> among > >> > the > >> > >> other metrics used in LogManager > >> > >> > >> > >> On Thu, Mar 28, 2019 at 7:32 PM Dhruvil Shah <dhru...@confluent.io > > > >> > >> wrote: > >> > >> > >> > >>> Thanks for the KIP, Viktor! This is a useful addition. +1 overall. > >> > >>> > >> > >>> Minor nits: > >> > >>> > I propose to add three gauge: DeadFetcherThreadCount for the > >> fetcher > >> > >>> threads, log-cleaner-dead-thread-count for the log cleaner. > >> > >>> I think you meant two instead of three. > >> > >>> > >> > >>> Also, would it make sense to name these metrics consistency, > >> something > >> > >>> like > >> > >>> `log-cleaner-dead-thread-count` and > >> > `replica-fetcher-dead-thread-count`? > >> > >>> > >> > >>> Thanks, > >> > >>> Dhruvil > >> > >>> > >> > >>> On Thu, Mar 28, 2019 at 11:27 AM Viktor Somogyi-Vass < > >> > >>> viktorsomo...@gmail.com> wrote: > >> > >>> > >> > >>> > Hi All, > >> > >>> > > >> > >>> > I'd like to start a vote on KIP-434. > >> > >>> > This basically would add a metrics to count dead threads in > >> > >>> > ReplicaFetcherManager and LogCleaner to allow monitoring systems > >> to > >> > >>> alert > >> > >>> > based on this. > >> > >>> > > >> > >>> > The KIP link: > >> > >>> > > >> > >>> > > >> > >>> > >> > > >> > https://cwiki.apache.org/confluence/display/KAFKA/KIP-434%3A+Add+Replica+Fetcher+and+Log+Cleaner+Count+Metrics > >> > >>> > The > >> > >>> > PR: https://github.com/apache/kafka/pull/6514 > >> > >>> > > >> > >>> > I'd be happy to receive any votes or additional feedback/reviews > >> too. > >> > >>> > > >> > >>> > Thanks, > >> > >>> > Viktor > >> > >>> > > >> > >>> > >> > >> > >> > > >> > > >