Thanks a lot for clearing the doubts Wang. On Jul 11, 2014 11:13 PM, "Guozhang Wang" <wangg...@gmail.com> wrote:
> We do not have the "MessagesOutPerSec" because when returning messages to > consumers in the fetch response, we do not decompress the message set if it > is compressed, and hence do not really know the number of raw messages out. > It can be roughly estimated as 'BytesOut/MessageSize'. > > > On Fri, Jul 11, 2014 at 10:28 AM, ravi singh <rrs120...@gmail.com> wrote: > > > Thanks Guozhang!! > > Just checked it after publishing few messages , "MessagesInPerSec" exists > > for per topic. > > > > *But why there isnt "MessagesOutPerSec" similar to BytesOutPerSecond ?* > > > > *Regards,* > > *Ravi* > > > > > > On Fri, Jul 11, 2014 at 10:01 PM, Guozhang Wang <wangg...@gmail.com> > > wrote: > > > > > "MessagesInPerSec" also exists per-topic, but the sensor will only be > > > created when there are messages produced to the brokers with this topic > > > though. > > > > > > > > > On Fri, Jul 11, 2014 at 9:20 AM, ravi singh <rrs120...@gmail.com> > wrote: > > > > > > > Couldn't find it in the documentation though. > > > > http://kafka.apache.org/documentation.html#monitoring > > > > > > > > I need specifically 'MessagesInPerSec' is there any way to deduce it > > > from > > > > 'BytesIn/OutPerSecond'. > > > > > > > > > > > > > > > > On Fri, Jul 11, 2014 at 8:43 PM, Guozhang Wang <wangg...@gmail.com> > > > wrote: > > > > > > > > > There is indeed a per-topic metric for bytes in and bytes out. > Should > > > be > > > > > named as [TopicName]BytesInPerSec, etc. > > > > > > > > > > Server does monitor bytes out rate whenever it sends any responses > to > > > > > consumer/producer clients. > > > > > > > > > > Guozhang > > > > > > > > > > > > > > > > > > > > > > > > > On Fri, Jul 11, 2014 at 3:38 AM, ravi singh <rrs120...@gmail.com> > > > wrote: > > > > > > > > > > > Hi Kafka Users, > > > > > > > > > > > > Is it possible to monitor the number of messages in and out for > per > > > > topic > > > > > > on broker side. > > > > > > > > > > > > Their is a MBean for "AllTopicsMessagesInPerSec" but I couldn't > > find > > > > > > anything on per topic basis. > > > > > > > > > > > > Also what does the "Byte out rate" MBean indicates , because as > per > > > my > > > > > > understanding only the consumer maintains the offset based on > > message > > > > it > > > > > > has consumed so nothing actually comes out of broker, all the > > > messages > > > > > are > > > > > > being retained in the broker for specified interval. > > > > > > > > > > > > -- > > > > > > *Regards,* > > > > > > *Ravi* > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > -- Guozhang > > > > > > > > > > > > > > > > > > > > > -- > > > > *Regards,* > > > > *Ravi* > > > > > > > > > > > > > > > > -- > > > -- Guozhang > > > > > > > > > > > -- > > *Regards,* > > *Ravi* > > > > > > -- > -- Guozhang >