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Re: Does adding ConsumerTimeoutException make the code more robust? - Kafka - [mail # user]
...By default, it.hasNext() blocks when there is no more message to consume.So catching ConsumerTimeoutException doesn't make any difference. You onlyneed to handle ConsumerTimeoutException if ...
   Author: Jun Rao, 2014-11-29, 16:26
Re: Kafka 0.8.2 log cleaner - Kafka - [mail # user]
...Yes, log cleaner is in 0.8.2. You just need to set the retention policy ofa topic to "compact".Thanks,JunOn Thu, Nov 27, 2014 at 5:20 AM, Khandygo, Evgeny (EXT) <[EMAIL PROTECTED]> wro...
   Author: Jun Rao, 2014-11-29, 16:24
Re: Partition key not working properly - Kafka - [mail # user]
...The issue is probably the hashcode of byte[] is based on reference, insteadof the value. You can try binding the producer to [Array[byte],Array[byte]]and using ByteArrayPartitioner. Alternat...
   Author: Jun Rao, 2014-11-27, 01:19
Re: Partition id of consumed message? - Kafka - [mail # user]
...Yes, the consumer iterator returns MessageAndMetadata which contains amethod partition().Thanks,JunOn Wed, Nov 26, 2014 at 10:40 AM, Palur Sandeep wrote: ...
   Author: Jun Rao, 2014-11-27, 00:33
Re: dynamically changing log level on a running broker? - Kafka - [mail # user]
...You can do this through jconsole on the log4j mbean.Thanks,JunOn Tue, Nov 25, 2014 at 2:56 AM, ben fleis  wrote: ...
   Author: Jun Rao, 2014-11-26, 02:50
[expand - 1 more] - Re: Does Kafka Producer service ? - Kafka - [mail # user]
...Assuming that you use a single producer in the async mode, the Kafkaoverhead should be limited to a single thread. Using a cheaper compressioncodec such as snappy will also help reducing the...
   Author: Jun Rao, 2014-11-26, 02:48
[KAFKA-1723] make the metrics name in new producer more standard - Kafka - [issue]
...The jmx name in the new producer looks like the following:kafka.producer.myclientid:type=mytopicHowever, this can be ambiguous since we allow "." in client id and topic....
http://issues.apache.org/jira/browse/KAFKA-1723    Author: Jun Rao, 2014-11-25, 23:25
[expand - 1 more] - Re: Exception in thread "main" java.lang.ExceptionInInitializerError - Kafka - [mail # user]
...It seems you hit an exception when instantiating the sfl4j logger insidethe producer.Thanks,JunOn Sun, Nov 23, 2014 at 9:29 PM, Haoming Zhang wrote: ...
   Author: Jun Rao, 2014-11-25, 05:51
Re: issues using the new 0.8.2 producer - Kafka - [mail # user]
...1. The new producer takes only the new producer configs.2. There is no longer a pluggable partitioner. By default, if a key isprovided, the producer hashes the bytes to get the partition. Th...
   Author: Jun Rao, 2014-11-25, 05:34
[expand - 1 more] - Re: Issues with Kafka async producer's enqueue timeout - Kafka - [mail # user]
...Ok, then your understanding is correct. If the queue is full then theenqueue operation should result in a kafka.common.QueueFullException in 20ms. Not sure why this is not happening since in...
   Author: Jun Rao, 2014-11-21, 18:55
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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