Using list-topics command, you can figure out which replicas are not in ISR. Using the lag jmx ( http://kafka.apache.org/documentation.html#monitoring), you can figure out if the follower is catching up.
Thanks, Jun On Wed, Aug 21, 2013 at 9:47 AM, James Wu <jameswu...@gmail.com> wrote: > Sorry, the link is : > > http://mail-archives.apache.org/mod_mbox/kafka-users/201308.mbox/raw/%3CFF142F6B499AE34CAED4D263F6CA32901D34E289%40EXTXMB19.nam.nsroot.net%3E/1 > > > On Thu, Aug 22, 2013 at 12:46 AM, James Wu <jameswu...@gmail.com> wrote: > > > Thank you Neha. > > > > Actually my situation was more like this topic: > > http://mail-archives.apache.org/mod_mbox/kafka-users/201308.mbox/browser > > My broker didn't back to ISR. > > > > I will try to reproduce later. > > > > > > On Tue, Aug 20, 2013 at 10:55 PM, Neha Narkhede <neha.narkh...@gmail.com > >wrote: > > > >> Once the broker is restarted, the controller broker will send it a list > of > >> partitions that it should follow. The broker starts fetching from the > >> respective leaders and enters the ISR. Depending on the duration of > >> shutdown, the broker can take some time to enter ISR. > >> > >> Thanks, > >> Neha > >> On Aug 20, 2013 4:26 AM, "James Wu" <jameswu...@gmail.com> wrote: > >> > >> > Hi, > >> > > >> > I am wondering if my leader broker crash, how to get it back to ISR > >> after > >> > restart kafak ? > >> > > >> > In the initial status the kafka-list-topic.sh shows: > >> > topic: failover-test partition: 0 leader: 0 replicas: 0,1 isr: 0,1 > >> > > >> > If I terminate the leader and kafka-list-topic.sh shows: > >> > topic: failover-test partition: 0 leader: 1 replicas: 0,1 isr: 1 > >> > > >> > > >> > Is there any document can explain what is the procedure to get my > >> broker0 > >> > back to isr ? > >> > > >> > > >> > Thanks! > >> > > >> > -- > >> > -- > >> > Friendly regards, > >> > > >> > *James Wu <http://www.facebook.com/jameswu629> > >> > * > >> > > >> > > > > > > > > -- > > -- > > Friendly regards, > > > > *James Wu <http://www.facebook.com/jameswu629> > > *+886.922.199.680 > > > > > > -- > -- > Friendly regards, > > *James Wu <http://www.facebook.com/jameswu629> > *+886.922.199.680 >