If you want run each Mapper job per partition, https://github.com/miniway/kafka-hadoop-consumer
might help. Thanks Min 2012. 9. 18. 오전 6:51 Matthew Rathbone <matt...@foursquare.com> 작성: > Hey guys, > > I've been using the hadoop consumer a whole lot this week, but I'm seeing > pretty poor throughput with one task per partition. I figured a good > solution would be to have multiple tasks per partition, so I wanted to run > my assumptions by you all first: > > This should enable the broker to round robin events between tasks right? > > When I record the high-watermark at the end of the mapreduce job there will > be N entries for each partition (one per task), so is it correct to just > take max(watermarks)? > -- my assumption is that as they're getting events round-robin, everything > should have been consumed up to the highest watermark found. Does this hold > true? > > Is anyone else using the consumer like this? > > > > -- > Matthew Rathbone > Foursquare | Software Engineer | Server Engineering Team > matt...@foursquare.com | @rathboma <http://twitter.com/rathboma> | > 4sq<http://foursquare.com/rathboma>
