Hi,

On Wed, Dec 10, 2014 at 12:02 AM, nitin sharma <kumarsharma.ni...@gmail.com>
wrote:

> 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
>

Consumer.


> b. Can ConsumerLag value be in negative?
>

Shouldn't be.  Not sure what the meaning of that would be?  You see a
negative value somewhere?

Otis
--
Monitoring * Alerting * Anomaly Detection * Centralized Log Management
Solr & Elasticsearch Support * http://sematext.com/



> 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
> > > >
> > >
> >
>

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