Re: Kafka-Storm: troubleshooting low R/W throughput

2015-03-22 Thread Manu Zhang
Hi Emmanuel, You can firstly run a kafka producer perf (bin/kafka-producer-perf-test.sh) test with your storm consumers and kafka consumer perf (bin/ kafka-consumer-perf.test.sh) test with your own producers respectively to see if the bottleneck is really in kafka. Thanks, Manu Zhang On Mon, Mar

Re: Kafka-Storm: troubleshooting low R/W throughput

2015-03-22 Thread Harsha
Hi Emmanuel,        Can you post your kafka server.properties and in your producer are your distributing your messages into all kafka topic partitions. --  Harsha On March 20, 2015 at 12:33:02 PM, Emmanuel (ele...@msn.com) wrote: Kafka on test cluster:  2 Kafka nodes, 2GB, 2CPUs 3 Zookeeper no

Re: Kafka-Storm Run-time Exception

2014-06-05 Thread Abhishek Bhattacharjee
hi, thanks for the reply. I tried the solution although it is not working I am getting the same Exception. here's the output of my: >> mvn dependency:tree | grep "scala" [INFO] | +- org.scala-lang:scala-compiler:jar:2.9.2:compile [INFO] +- org.scala-lang:scala-library:jar:2.9.2:compile I don't

Re: Kafka-Storm Run-time Exception

2014-06-05 Thread Andrew Neilson
it's possible you have some other dependency using an earlier version of Scala. A common one to check for when using Kafka is jline 0.9.94, which comes through the zookeeper 3.3.4 dependency included with kafka_2.9.2-0.8.1 and has more than one dependency that uses scala 2.8.x. If this is where it

Re: kafka-storm-starter released: code examples that integrate Kafka 0.8 and Storm 0.9

2014-05-23 Thread Neha Narkhede
Cool. Thanks for sharing. I added it to our ecosystem wiki. -Neha On Fri, May 23, 2014 at 8:02 AM, Michael G. Noll < michael+ka...@michael-noll.com> wrote: > Hi everyone, > > to sweeten the upcoming long weekend I have released code examples that > show how to integrate Kafka 0.8+ with Storm 0.

Re: kafka + storm

2014-01-01 Thread Saulius Zemaitaitis
Hi, regarding ordering issue there are ways to avoid strict dependency on processing order as discussed in this talk: http://www.youtube.com/watch?v=ZIzqIzXhTaA by Erik Onnen from Urban Airship. On 1 January 2014 18:05, S Ahmed wrote: > I have briefly looked at storm, but just a quick question,

Re: kafka + storm

2014-01-01 Thread Joseph Lawson
If your task is completely serial you can still use Kafka and storm but you are limited in the number of workers that can apply whatever data transformation you need serialized. Basically you can use one consumer reading one Kafka partition and one storm worker being fed by the one Kafka consume