Thanks Cees and Abhinav, will give this trick a try and update if it helped for my case.
Regards, Sahitya Agrawal On Fri, May 13, 2016 at 9:36 PM, Cees de Groot <c...@pagerduty.com> wrote: > What Abhinav said. To give some context: the common cause of frequent > rebalances is that your consumer takes too long to process batches. As > long as you don't call into the consumer library, heartbeats aren't > sent so if you take too long working through a batch, the broker > things your consumer is gone and starts re-balancing. The message > batch under processing never gets marked as done, so after > rebalancing, things start over from the same spot. > > So the solution is to either make the batches smaller or the heartbeat > interval longer. There are fancier solutions for when this doesn't > work, but it should do the trick for most normal cases. > > On Fri, May 13, 2016 at 10:20 AM, Abhinav Solan <abhinav.so...@gmail.com> > wrote: > > Hi Sahitya, > > > > Try reducing max.partition.fetch.bytes in your consumer. > > Then also increase heartbeat.interval.ms, this might help in to delay > the > > consumer rebalance of your inbound process is taking more time than this > > > > - Abhinav > > > > On Fri, May 13, 2016 at 5:42 AM sahitya agrawal <sahitya2...@gmail.com> > > wrote: > > > >> Hi, > >> > >> I am using new Kafka consumer API ( 0.9.0.0) . I created 100 > partitions of > >> a topic and started only one consumer to consume. Many of times , In > >> consumer logs I see lot of rebalancing activity and no object is > consumed > >> due to that. > >> > >> Is this a known issue? Please let me know if some body can help with > regard > >> to this. > >> > >> My Consumer config: > >> props.put("zookeeper.session.timeout.ms", "10000"); > >> props.put("rebalance.backoff.ms","10000"); > >> props.put("zookeeper.sync.time.ms","200"); > >> props.put("rebalance.max.retries","10"); > >> props.put("enable.auto.commit", "false"); > >> props.put("consumer.timeout.ms","20000"); > >> props.put("auto.offset.reset", "smallest"); > >> > >> Thanks, > >> Sahitya > >> > > > > -- > Cees de Groot > Principal Software Engineer > PagerDuty, Inc. >