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[expand - 1 more] - Re: Add partitions with replica assignment in same command - Kafka - [mail # user]
...If you add partitions, existing partitions' assignment won't change.Changing the replica assignment subsequently should be fine.Thanks,JunOn Wed, Nov 12, 2014 at 2:24 PM, Allen Wang wrote:&n...
   Author: Jun Rao, 2014-11-13, 02:51
[KAFKA-1729] add doc for Kafka-based offset management in 0.8.2 - Kafka - [issue]
http://issues.apache.org/jira/browse/KAFKA-1729    Author: Jun Rao, 2014-11-13, 01:45
[expand - 1 more] - Re: Kafka consumer transactional support - Kafka - [mail # dev]
...Yes, the new consumer api will solve your probably better. Before that'sready, another option is to use the commitOffset() api in the high levelconsumer. It doesn't take any offset though. S...
   Author: Jun Rao, 2014-11-12, 20:11
Re: spikes in producer requests/sec - Kafka - [mail # user]
...You can also look into the producer time metrics and see if the time goesup before the spike of the request rate. If the time does go up, you canlook at the breakdown of the time. Any latenc...
   Author: Jun Rao, 2014-11-12, 17:26
Re: expanding cluster and reassigning parititions without restarting producer - Kafka - [mail # user]
...Just to extend what Neha said. The new producer also picks up the newpartitions by refreshing the metadata periodically (controlledmetadata.max.age.ms). The new producer distributes the data...
   Author: Jun Rao, 2014-11-12, 02:50
[expand - 2 more] - Re: [DISCUSSION] Message Metadata - Kafka - [mail # dev]
...Thinking about this a bit more. For adding the auditing support, I am notsure if we need to change the message format by adding the applicationtags. An alternative way to do that is to add i...
   Author: Jun Rao, 2014-11-12, 02:28
[expand - 1 more] - Re: Programmatic Kafka version detection/extraction? - Kafka - [mail # user]
...Currently, the version number is only stored in our build config file,gradle.properties. Not sure how we can automatically extract it and exposeit in an mbean. How do other projects do this?...
   Author: Jun Rao, 2014-11-11, 17:44
Re: Question about ZookeeperConsumerConnector - Kafka - [mail # dev]
...Hi, Jiangjie,Thanks for the investigation. Yes, this seems like a real issue.1. It doesn't seem that we need to put the shutdownCommand back into thequeue. Once an iterator receives a shutdo...
   Author: Jun Rao, 2014-11-11, 17:29
[expand - 1 more] - Re: Consumer thread dies - Kafka - [mail # user]
...Don't you have the same problem using SimpleConsumer? How does anotherprocess know a SimpleConsumer hangs?Thanks,JunOn Mon, Nov 10, 2014 at 9:47 AM, Srinivas Reddy Kancharla <[EMAIL PROTE...
   Author: Jun Rao, 2014-11-11, 05:42
[expand - 1 more] - Re: corrupt recovery checkpoint file issue.... - Kafka - [mail # user]
...Guozhang,In OffsetCheckpoint.write(), we don't catch any exceptions. There is only afinally clause to close the writer. So, it there is any exception duringwrite or sync, the exception will ...
   Author: Jun Rao, 2014-11-10, 02:12
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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