Are you committing offsets manually after you consume as you mentioned earlier that "auto.commit.offset" is false.
-----Original Message----- From: Arjun Kota [mailto:ar...@socialtwist.com] Sent: Friday, April 11, 2014 10:56 AM To: users@kafka.apache.org Subject: Re: consumer not consuming messages Console consumer works fine. Its the high level java consumer which is giving this problem. Thanks Arjun narasimha kota On Apr 11, 2014 8:42 PM, "Jun Rao" <jun...@gmail.com> wrote: > We may have a bug that doesn't observe etch.min.bytes accurately. So a > lower fetch.wait.max.ms will improve consumer latency. > > Could you run a console consumer and see if you have the same issue? > That will tell us if this is a server side issue or an issue just in > your consumer. > > Thanks, > > Jun > > > On Thu, Apr 10, 2014 at 10:28 PM, Arjun <ar...@socialtwist.com> wrote: > > > i changed the time to 60 seconds even now i see the same result. The > > Consumer is not consuming the messages. > > > > Thanks > > Arjun Narasimha Kota > > > > > > On Friday 11 April 2014 10:36 AM, Arjun wrote: > > > >> yup i will change the value and recheck. Thanks for the help. > >> > >> thanks > >> Arjun Narasimha Kota > >> > >> On Friday 11 April 2014 10:28 AM, Guozhang Wang wrote: > >> > >>> What I tried to say is that it may be caused by your > >>> "fetch.wait.max.ms"="180000" > >>> too large. Try a small value and see if that helps. > >>> > >>> > >>> On Thu, Apr 10, 2014 at 9:44 PM, Arjun <ar...@socialtwist.com> wrote: > >>> > >>> Hi, > >>>> > >>>> I could not see any out of memory exceptions in the broker logs. > >>>> One thing i can see is i may have configured consumer poorly. If > >>>> its not too much to ask can u let me know the changes i have to > >>>> do for over coming this problem. > >>>> > >>>> Thanks > >>>> Arjun Narasimha Kota > >>>> > >>>> > >>>> On Friday 11 April 2014 10:04 AM, Guozhang Wang wrote: > >>>> > >>>> Hi Ajrun, > >>>>> > >>>>> It seems to be the cause: > >>>>> > >>>>> https://issues.apache.org/jira/browse/KAFKA-1016 > >>>>> > >>>>> Guozhang > >>>>> > >>>>> > >>>>> > >>>>> On Thu, Apr 10, 2014 at 9:21 PM, Arjun <ar...@socialtwist.com> > wrote: > >>>>> > >>>>> I hope this one would give u a better idea. > >>>>> > >>>>>> bin/kafka-run-class.sh kafka.tools.ConsumerOffsetChecker > >>>>>> --group > >>>>>> group1 > >>>>>> --zkconnect zkhost:port --topic testtopic > >>>>>> Group Topic Pid Offset logSize > >>>>>> Lag Owner > >>>>>> group1 testtopic 0 253 253 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > >>>>>> group1 testtopic 1 267 267 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > >>>>>> group1 testtopic 2 254 254 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > >>>>>> group1 testtopic 3 265 265 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-0 > >>>>>> group1 testtopic 4 261 261 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > >>>>>> group1 testtopic 5 294 294 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > >>>>>> group1 testtopic 6 248 248 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > >>>>>> group1 testtopic 7 271 271 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-1 > >>>>>> group1 testtopic 8 240 240 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > >>>>>> group1 testtopic 9 261 261 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > >>>>>> group1 testtopic 10 290 290 0 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > >>>>>> group1 testtopic 11 250 251 1 > >>>>>> group1_ip-xx-1397188061429-b5ff1205-2 > >>>>>> > >>>>>> If you see the output, in the last line the lag is 1 for that > >>>>>> partition. > >>>>>> I > >>>>>> just send one message. This topic is not new as you see there > >>>>>> are > lot > >>>>>> of > >>>>>> messages which have accumlated from yesterday. This one message > >>>>>> will not be consumed by consumer what so ever. But if i send > >>>>>> some 10 messages > then > >>>>>> all > >>>>>> the messages are consumed. > >>>>>> > >>>>>> Please let me know if i have to change any consumer properties. > >>>>>> > >>>>>> My consumer properties are : > >>>>>> "fetch.wait.max.ms"="180000" > >>>>>> "fetch.min.bytes" = "1" > >>>>>> "auto.offset.reset" = "smallest" > >>>>>> "auto.commit.enable"= "false" > >>>>>> "fetch.message.max.bytes" = "1048576" > >>>>>> > >>>>>> > >>>>>> Thanks > >>>>>> Arjun Narasimha Kota > >>>>>> On Friday 11 April 2014 06:23 AM, Arjun Kota wrote: > >>>>>> > >>>>>> The consumer uses do specific topics. > >>>>>> > >>>>>>> On Apr 11, 2014 6:23 AM, "Arjun Kota" <ar...@socialtwist.com > <mailto: > >>>>>>> ar...@socialtwist.com>> wrote: > >>>>>>> > >>>>>>> Yes the message shows up on the server. > >>>>>>> > >>>>>>> On Apr 11, 2014 12:07 AM, "Guozhang Wang" < > wangg...@gmail.com > >>>>>>> <mailto:wangg...@gmail.com>> wrote: > >>>>>>> > >>>>>>> Hi Arjun, > >>>>>>> > >>>>>>> If you only send one message, does that message show > >>>>>>> up > on > >>>>>>> the > >>>>>>> server? Does > >>>>>>> you consumer use wildcard topics or specific topics? > >>>>>>> > >>>>>>> Guozhang > >>>>>>> > >>>>>>> > >>>>>>> On Thu, Apr 10, 2014 at 9:20 AM, Arjun < > >>>>>>> ar...@socialtwist.com > >>>>>>> <mailto:ar...@socialtwist.com>> wrote: > >>>>>>> > >>>>>>> > But we have auto offset reset to smallest not > >>>>>>> largest, even > >>>>>>> then this > >>>>>>> > issue arises? If so is there any work around? > >>>>>>> > > >>>>>>> > Thanks > >>>>>>> > Arjun NArasimha Kota > >>>>>>> > > >>>>>>> > > >>>>>>> > On Thursday 10 April 2014 09:39 PM, Guozhang Wang > wrote: > >>>>>>> > > >>>>>>> >> It could be https://issues.apache.org/ > >>>>>>> jira/browse/KAFKA-1006. > >>>>>>> >> > >>>>>>> >> Guozhang > >>>>>>> >> > >>>>>>> >> > >>>>>>> >> On Thu, Apr 10, 2014 at 8:50 AM, Arjun > >>>>>>> <ar...@socialtwist.com > >>>>>>> <mailto:ar...@socialtwist.com>> > >>>>>>> wrote: > >>>>>>> >> > >>>>>>> >> its auto created > >>>>>>> >>> but even after topic creation this is the scenario > >>>>>>> >>> > >>>>>>> >>> Arjun > >>>>>>> >>> > >>>>>>> >>> On Thursday 10 April 2014 08:41 PM, Guozhang > >>>>>>> Wang > >>>>>>> wrote: > >>>>>>> >>> > >>>>>>> >>> Hi Arjun, > >>>>>>> >>>> > >>>>>>> >>>> Did you manually create the topic or use > >>>>>>> auto.topic.creation? > >>>>>>> >>>> > >>>>>>> >>>> Guozhang > >>>>>>> >>>> > >>>>>>> >>>> > >>>>>>> >>>> On Thu, Apr 10, 2014 at 7:39 AM, Arjun > >>>>>>> <ar...@socialtwist.com > >>>>>>> <mailto:ar...@socialtwist.com>> > >>>>>>> wrote: > >>>>>>> >>>> > >>>>>>> >>>> Hi, > >>>>>>> >>>> > >>>>>>> >>>>> We have 3 node kafka 0.8 setup with zookeepers > >>>>>>> ensemble. > >>>>>>> We use high > >>>>>>> >>>>> level > >>>>>>> >>>>> consumer with auto commit offset false. I am > >>>>>>> facing some > >>>>>>> peculiar > >>>>>>> >>>>> problem > >>>>>>> >>>>> with kafka. When i send some 10-20 messages or > >>>>>>> so > the > >>>>>>> consumer starts > >>>>>>> >>>>> to > >>>>>>> >>>>> consume the messages. But if i send only one > >>>>>>> message to > >>>>>>> kafka, then > >>>>>>> >>>>> even > >>>>>>> >>>>> though consumer is active it is not trying to > >>>>>>> fetch the > >>>>>>> message. There > >>>>>>> >>>>> is > >>>>>>> >>>>> nothing in logs, just the messages are being > fetched > >>>>>>> by > >>>>>>> the kafka > >>>>>>> >>>>> consumer. > >>>>>>> >>>>> The messages are there in the Kafka server. > >>>>>>> Can > some > >>>>>>> one > >>>>>>> let me know > >>>>>>> >>>>> where > >>>>>>> >>>>> i am doing wrong. > >>>>>>> >>>>> > >>>>>>> >>>>> > >>>>>>> >>>>> Thanks > >>>>>>> >>>>> Arjun Narasimha Kota > >>>>>>> >>>>> > >>>>>>> >>>>> > >>>>>>> >>>>> > >>>>>>> >>>> > >>>>>>> >> > >>>>>>> > > >>>>>>> > >>>>>>> > >>>>>>> -- > >>>>>>> -- Guozhang > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>> > >> > > >
