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[KAFKA-455] ProducerSendThread calls ListBuffer.size a whole bunch. That is a O(n) operation - Kafka - [issue]
...Hi all,So there are various statements throughout the async code that call 'events.size', mostly for debugging purposes.Problem is that this call is O, so it could add up if the batch size i...
http://issues.apache.org/jira/browse/KAFKA-455    Author: Matthew Rathbone, 2014-06-19, 06:17
[KAFKA-456] ProducerSendThread calls ListBuffer.size a whole bunch. That is a O(n) operation - Kafka - [issue]
...Hi all,So there are various statements throughout the async code that call 'events.size', mostly for debugging purposes.Problem is that this call is O, so it could add up if the batch size i...
http://issues.apache.org/jira/browse/KAFKA-456    Author: Matthew Rathbone, 2014-06-19, 06:11
New broker not receiving any data - Kafka - [mail # user]
...Hey guys,I think I remember this being a known issue, but thought I should ping thelist anyway.I just added a new broker to the cluster (0.7.1), but it won't startreceiving data until I manu...
   Author: Matthew Rathbone, 2013-04-30, 00:48
[expand - 1 more] - Re: We have an invalid message in a segment, how to deal with it? - Kafka - [mail # user]
...Ok, so yeah it doesn't sound like that is what happened. on this partition.FWIW all other 8 partitions were fine.What I ended up doing was deleting partition N + all partitions > N (which...
   Author: Matthew Rathbone, 2013-04-13, 18:51
We have an invalid message on a broker, how to deal with it? - Kafka - [mail # user]
...Hey guys,Due to a disk filling up, one of the segments has an invalid message in it.I have verified this using DumpLogSegments.How do I deal with this now? the invalid message is causing our...
   Author: Matthew Rathbone, 2013-04-13, 17:03
Re: .net (c#) kafka client - Kafka - [mail # user]
...Maybe you could write a C# client. I don't think it would be super hard towrite a basic one (that doesn't require zookeeper for example). C# has alot of great features that would make it gre...
   Author: Matthew Rathbone, 2013-04-03, 21:24
Re: Limit on number of Kafka Topic - Kafka - [mail # user]
...We've seen big performace degradation when we tested 1024 topics, so we'veopted to go for a much smaller topic count (< 100).On the read side, I think performance is largely driven by the...
   Author: Matthew Rathbone, 2013-03-27, 16:49
Re: Is anyone able to consume from Kafka 0.7.x and write into Hadoop CDH 4.x ? - Kafka - [mail # user]
...=david, we use a subset of the KafkaETLJob in cdh4 with great success. Justmake sure to compile your mapreduce against CDH4On Thu, Mar 14, 2013 at 10:28 PM, David Arthur  wrote:> I h...
   Author: Matthew Rathbone, 2013-03-15, 16:20
Kafka talk tomorrow night in Madison WI - Kafka - [mail # user]
...Hey all,If any of you are in the midwest I'll get giving a talk on Kafka at theBigDataMadison meetup [1] in Madison WI. Stop by if you're around, therewill be pizza :-).It's at 6pm tomorrow ...
   Author: Matthew Rathbone, 2013-02-25, 21:16
[MESOS-139] The hadoop patch is missing a catch block for patching the latest CDH - Mesos - [issue]
...I had to modify FrameworkExecutor.java to include another catch block, here is the diff on the patch after it has been modified— frameworks/hadoop-0.20.2/hadoop-mesos.patch (revision 1...
http://issues.apache.org/jira/browse/MESOS-139    Author: Matthew Rathbone, 2013-02-07, 23:26
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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