thanks for response. But my questions are still not answered a. Is ConsumerLag is the metrics that is exposed on kafka broker end or on Consumer side b. Can ConsumerLag value be in negative?
Regards, Nitin Kumar Sharma. On Tue, Dec 9, 2014 at 5:23 PM, Otis Gospodnetic <otis.gospodne...@gmail.com > wrote: > Nitin, > > If you don't want to DIY there are already tools and solutions for > monitoring Kafka, including consumer lag. Ours is mentioned here: > > http://blog.sematext.com/2013/10/16/announcement-spm-performance-monitoring-for-kafka/ > Others have been mentioned on the list a few times before: > http://search-hadoop.com/?q=monitor+lag&fc_project=Kafka > > Otis > -- > Monitoring * Alerting * Anomaly Detection * Centralized Log Management > Solr & Elasticsearch Support * http://sematext.com/ > > > On Tue, Dec 9, 2014 at 4:59 PM, nitin sharma <kumarsharma.ni...@gmail.com> > wrote: > > > Hi Neha, Guozhang Wang > > > > My project requirement is to monitor Consumer Lag Mbean.. > > > > 1) According to me this MBean is exposed only at the Consumer side and > not > > on Broker server. This is because in my initial PoC, i had used > > "kafka-consumer-perf-test.sh" and MBean exposed by this consumer had > > "ConsumerLag" counter. > > > > 2) ConsumerLag value can not be in negative. it has to be either zero or > > positive. is this a correct assumption? i found the following link on > > internet where some one had got a negative value : > > > > > > > http://mail-archives.apache.org/mod_mbox/kafka-users/201410.mbox/%3cca+ttwkmbjhy_q+io3_7xsqxxfc6hhf7pzap5sfgtzd22stb...@mail.gmail.com%3E > > > > Regards, > > Nitin Kumar Sharma. > > > > > > On Tue, Dec 9, 2014 at 4:47 PM, Guozhang Wang <wangg...@gmail.com> > wrote: > > > > > Nitin, > > > > > > You have found the place :) Just send an email to users@ mailing list > is > > > fine. > > > > > > Guozhang > > > > > > On Tue, Dec 9, 2014 at 1:26 PM, nitin sharma < > > kumarsharma.ni...@gmail.com> > > > wrote: > > > > > > > HI, > > > > I need some help related to Kafka Consumer Lag monitoring.. Kindly > let > > me > > > > know how can i post my query to the forum. > > > > > > > > Regards, > > > > Nitin Kumar Sharma. > > > > > > > > > > > > > > > > -- > > > -- Guozhang > > > > > >
