Thank you for the feedback on documentation and also for improving it. That is the best way to have effective documentation.
Thanks, Neha On Thu, Feb 21, 2013 at 8:53 AM, Colin Blower <cblo...@barracuda.com> wrote: > In the old protocol description the -1 and -2 values are explicitly > mentioned. > https://cwiki.apache.org/**confluence/display/KAFKA/Wire+**Format<https://cwiki.apache.org/confluence/display/KAFKA/Wire+Format> > > It looks like it had been left out of the new 0.8 docs, however I just > added it. > https://cwiki.apache.org/**confluence/display/KAFKA/A+** > Guide+To+The+Kafka+Protocol#**AGuideToTheKafkaProtocol-**OffsetAPI<https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-OffsetAPI> > > Hopefully the docs are more helpful now. Feel free to ask for further > clarifications. > > > > On 02/21/2013 05:04 AM, David Arthur wrote: > >> Yes, I think that section of the protocol guide could be improved. >> Specifically, it would be useful to explain what the " Time" and >> "MaxNumberOfOffsets" parameters are used for, as well documenting these >> two magic numbers (-1 and -2). >> >> -David >> >> On 2/21/13 12:13 AM, Neha Narkhede wrote: >> >>> David, >>> >>> The API that you are looking for is OffsetRequest. If you pass in -2 as >>> the >>> value for Time, it will get you the earliest offset available for that >>> partition. If you pass in -1, it will get you the latest offset. >>> >>> You can find more information about the OffsetRequest and OffsetResponse >>> APIs here - >>> https://cwiki.apache.org/**confluence/display/KAFKA/A+** >>> Guide+To+The+Kafka+Protocol#**AGuideToTheKafkaProtocol-**OffsetAPI<https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-OffsetAPI> >>> >>> Please let us know if that description can be improved. >>> >>> Thanks, >>> Neha >>> >>> >>> On Wed, Feb 20, 2013 at 6:31 PM, David Arthur <mum...@gmail.com> wrote: >>> >>> Is there currently a way to get the latest offset (or close to the >>>> latest) >>>> for a partition? Is this covered by the Offset API, and if so could >>>> someone >>>> explain this API a bit? >>>> >>>> I'd like to write a consumer that can start from 0 (like unix cat) or >>>> start from the most recent (like unix tail). >>>> >>>> Thanks! >>>> -David >>>> >>>> > > -- > *Colin Blower* > /Software Engineer/ > Barracuda Networks Inc. > +1 408-342-5576 (o) >
