That's weird - it should just work - can you try this: you would have to start your Kafka broker with a JMX port - should be by default, otherwise use JMX_PORT=xxxx <start broker>
./bin/kafka-run-class.sh kafka.tools.JmxTool --object-name '"kafka.server":type="ReplicaFetcherManager",name="Replica-MaxLag"' --jmx-url service:jmx:rmi:///jndi/rmi://localhost:9999/jmxrmi "time",""kafka.server":type="ReplicaFetcherManager",name="Replica-MaxLag":Value" 1378924115441,0 1378924117442,0 On Wed, Sep 11, 2013 at 10:29 AM, Yu, Libo <libo...@citi.com> wrote: > Hi Joel, > > I cannot find such a value. My teammate also cannot find it. > There is no ReplicaFetcherManager underl kafka.server. > There is only a ReplicaManager but there is no MaxLag > under it. > > Regards, > > Libo > > > -----Original Message----- > From: Joel Koshy [mailto:jjkosh...@gmail.com] > Sent: Tuesday, September 10, 2013 8:48 PM > To: users@kafka.apache.org > Subject: Re: monitoring followers' lag > > It should be "kafka.server":type="ReplicaFetcherManager",name="Replica-MaxLag" > - can you confirm and mind updating the wiki if this is the case? > > Thanks, > > Joel > > On Tue, Sep 10, 2013 at 10:38 AM, Yu, Libo <libo...@citi.com> wrote: >> I have run JConsole. But I cannot find >> "kafka.server":name="([-.\w]+)-MaxLag", type="ReplicaFetcherManager" >> >> I am running 0.8 beta1. It seems ReplicaFetcherManager has not been >> added to this version. >> >> Regards, >> >> Libo >> >> >> -----Original Message----- >> From: Jun Rao [mailto:jun...@gmail.com] >> Sent: Tuesday, September 10, 2013 11:01 AM >> To: users@kafka.apache.org >> Subject: Re: monitoring followers' lag >> >> Have you looked at the updated docs in >> http://kafka.apache.org/documentation.html#monitoring ? >> >> Thanks, >> >> Jun >> >> >> On Tue, Sep 10, 2013 at 7:59 AM, Yu, Libo <libo...@citi.com> wrote: >> >>> Hi team, >>> >>> I wonder if anybody can give detailed instructions on how to monitor >>> the followers' lag by using JMX. Thanks. >>> >>> Regards, >>> >>> Libo >>> >>>