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Kafka >> mail # user >> OffsetOutOfRangeException with 0 retention


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Re: OffsetOutOfRangeException with 0 retention
Looks like your consumers have never updated their offsets and are unable
to reset offset to the earliest/latest on startup. Can you pass around the
entire consumer log ?

Thanks,
Neha
On Mon, Mar 11, 2013 at 6:34 PM, Nicolas Berthet
<[EMAIL PROTECTED]>wrote:

> Neha,
>
> Thanks for the reply. I'm using the high level consumer, btw, I'm using
> kafka 0.7.2 (we built it with scala 2.10) the consumer is using default
> values with an high ZK timeout value.
>
> As far as I know, my consumers didn't restart, they're running on services
> that were not restarted (unless the consumer itself would reconnect after
> sometime).
>
> Don't know if it could be part of the reason, some of my consumers are in
> remote sites, they have high latency and experience ZK timeouts here and
> there. I've ZK observers on the remote sites with rather high timeout
> values, they still disconnect from time to time from the main site due to
> timeout.
> Due to the ZK timeouts I noticed the consumers fail to write their offsets.
>
>
> PS: Sorry for the previous spamming, my mail client went crazy and by the
> time I realized it was too late.
>
> Kindly,
>
> Nicolas
>
> -----Original Message-----
> From: Neha Narkhede [mailto:[EMAIL PROTECTED]]
> Sent: Monday, March 11, 2013 23:52
> To: [EMAIL PROTECTED]
> Subject: Re: OffsetOutOfRangeException with 0 retention
>
> Nicolas,
>
> It seems that you started a consumer from the earliest offset, then shut it
> down for a long time, and tried restarting it again. At this time, you will
> see OffsetOutOfRange exceptions, since the offset that your consumer is
> trying to fetch has been garbage collected from the server (due to it being
> too old). If you are using the high level consumer
> (ZookeeperConsumerConnector), the consumer will automatically  reset the
> offset to the earliest or latest depending on the autooffset.reset config
> value.
>
> Which consumer are you using in this test ?
>
> Thanks,
> Neha
>
>
> On Mon, Mar 11, 2013 at 2:12 AM, Nicolas Berthet
> <[EMAIL PROTECTED]>wrote:
>
> > Hi,
> >
> >
> >
> > I'm currently seeing a lot of OffsetOutOfRangeException in my server
> > logs (it's not something that appeared recently, I simply didn't use
> > Kafka before). I tried to find information on the mailing-list, but
> > nothing seems to match my case.
> >
> >
> >
> > ERROR error when processing request FetchRequest(topic:test-topic,
> > part:0
> > offset:3004960 maxSize:1048576) (kafka.server.KafkaRequestHandlers)
> >
> >      kafka.common.OffsetOutOfRangeException: offset 3004960 is out of
> > range
> >
> >
> >
> > I understand that, at startup, consumers will ask for a MAX_VALUE
> > offset to trigger this exception and detect the correct offset, right ?
> >
> >
> >
> > In my case, it's just too often (much more than the number of consumer
> > connections), but I also noticed it seems to happen in particular for
> > topics with a "0" retention. Did anybody else suffer from the same
> > symptoms ?
> >
> >
> >
> > Although it seems not critical (everything seems to work), it's
> > probably far from optimal, and the log is just full of those.
> >
> >
> >
> > Regards,
> >
> >
> >
> > Nicolas
> >
> >
>
>

 
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB