Yes, but this counts how many messages went in that topic, right? This should always be increasing and never decreasing, if I understand correctly.
I'm asking that because in my kafka configuration I have 18 topics, and in all of them but one this metric is increasing. There is a topic where this metric is going up and down like crazy, and I'm worried that something may be wrong with it. And strangely this happens in 4 of 5 servers. There is a server where this topic is only increasing, never decreasing... On Tue, Feb 11, 2014 at 6:49 PM, Neha Narkhede <neha.narkh...@gmail.com>wrote: > Yes. All jmx beans start from 0 on broker startup. > > Thanks, > Neha > > > On Tue, Feb 11, 2014 at 9:42 AM, Tomas Nunez <nu...@pythian.com> wrote: > > > Then I guess mi next question is: > > The jmx metric "Kafka -> kafka.BrokerTopicStat.<topic_name> -> > MessagesIn" > > counts how many messages went in that topic since kafka was started, and > it > > will reset to 0 when I restart the service, right? > > > > Same thing for Kafka -> kafka.BrokerAllTopicStat -> MessagesIn, right? > > > > Thanks! > > > > > > On Tue, Feb 11, 2014 at 5:35 PM, Tomas Nunez <nu...@pythian.com> wrote: > > > > > Yup... I read both of them, but I saw much more data in the jmx and I > was > > > trying to understant it to make the most of them :) > > > > > > But I'll settle knowing that is the useful data. Thank you both! > > > > > > > > > On Tue, Feb 11, 2014 at 5:05 PM, Jun Rao <jun...@gmail.com> wrote: > > > > > >> These are the 0.8 jmx. The 0.7 one can be found in > > >> > > >> > > > https://cwiki.apache.org/confluence/display/KAFKA/Operations#Operations-Monitoring > > >> > > >> Thanks, > > >> > > >> Jun > > >> > > >> > > >> On Tue, Feb 11, 2014 at 6:51 AM, Andrew Otto <o...@wikimedia.org> > > wrote: > > >> > > >> > Here tis! > > >> > > > >> > https://kafka.apache.org/documentation.html#monitoring > > >> > > > >> > > > >> > On Feb 11, 2014, at 6:50 AM, Tomas Nunez <nu...@pythian.com> wrote: > > >> > > > >> > > Hi! > > >> > > > > >> > > Sorry if this question has already been answered, but I've search > > the > > >> > > archives, the project page and the wiki unsuccessfully. > > >> > > > > >> > > I'd like to know the meaning of the jmx exposed metrics. I can > guess > > >> > based > > >> > > on the name but I'd like to be sure. Plus, some of them seem to be > > >> reset > > >> > > when I restart the server (or when a new file is created in the > > topic > > >> > > directory, I'm not sure), and some of them don't. > > >> > > > > >> > > Is there a doc anywhere with this info? > > >> > > > > >> > > PD: I'm using 0.7.2 and I know 0.8 changes some things, but I > guess > > >> the > > >> > > basic stuff will remain the same... > > >> > > > > >> > > -- > > >> > > > > >> > > > > >> > > -- > > >> > > > > >> > > > > >> > > > > >> > > > >> > > > >> > > > > > > > > > > -- > > > > > > -- > > > > > > > > > -- --
