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Re: Not balancing across multiple brokers - Kafka - [mail # user]
...Do you use a VIP or zookeeper for producer side load balancing ? Inother words, what are the values you override for "broker.list" and"zk.connect" in the producer config ?Thanks,NehaOn Fri, ...
   Author: Neha Narkhede, 2013-04-12, 21:32
Re: Broker to consumer compression - Kafka - [mail # user]
...That is not available for performance reasons. Broker uses zero-copyto transfer data from disk to the network on the consumer side. If wepost process data already written to disk before send...
   Author: Neha Narkhede, 2013-04-12, 21:32
Re: Broker to consumer compression - Kafka - [mail # user]
...Kafka already supports end-to-end compression which means datatransfer between brokers and consumers is compressed. There are twosupported compression codecs - GZIP and Snappy. The latter is...
   Author: Neha Narkhede, 2013-04-12, 19:25
Re: kafka key serializer - Kafka - [mail # user]
...Correct, I should've been more specific. "key.serializer.class"defaults to whatever "serializer.class" is set to.Thanks,NehaOn Fri, Apr 12, 2013 at 9:12 AM, Soby Chacko  wrote:> Hi N...
   Author: Neha Narkhede, 2013-04-12, 16:21
Re: kafka key serializer - Kafka - [mail # user]
...It defaults both key and value serializer to DefaultEncoder, but youcan customize both independently through "key.serializer.class" and"serializer.class" config options.Thanks,NehaOn Fri, Ap...
   Author: Neha Narkhede, 2013-04-12, 15:39
Re: Question about Split brain problem for the case of a single consumer per topic - Kafka - [mail # user]
...Hi Itai,It will be easier to explain things if we know your use case. I'lltake a stab at your questions -1.      At most one consumer per topic.2.      That thi...
   Author: Neha Narkhede, 2013-04-12, 15:21
[KAFKA-862] Error incrementing leader high watermark - Kafka - [issue]
...2013/04/10 20:04:31.529 ERROR [KafkaApis] [kafka-request-handler-6] [kafka] [] [KafkaApi-270] Error processing ProducerRequest with correlation id 242757885 from client null-13 on foo:3java....
http://issues.apache.org/jira/browse/KAFKA-862    Author: Neha Narkhede, 2013-04-11, 19:55
Re: kafka key serializer - Kafka - [mail # user]
...It will use DefaultEncoder.Thanks,NehaOn Wed, Apr 10, 2013 at 8:27 AM, Soby Chacko  wrote:> If I don't provide an explicit key serializer but a serializer class (for> value encodi...
   Author: Neha Narkhede, 2013-04-10, 18:00
[KAFKA-858] High watermark values can be overwritten during controlled shutdown - Kafka - [issue]
...Race condition between controlled shutdown, actual process shutdown and high watermark checkpoint thread frequency can cause high watermark values for a subset of partitions to be overwritte...
http://issues.apache.org/jira/browse/KAFKA-858    Author: Neha Narkhede, 2013-04-09, 23:01
[KAFKA-851] Broken handling of leader and isr request leads to incorrect high watermark checkpoint file - Kafka - [issue]
...The broker depends on receiving a list of *all* partitions from the controller on startup. It uses this information to create a list of partitions that will get check pointed to the high wat...
http://issues.apache.org/jira/browse/KAFKA-851    Author: Neha Narkhede, 2013-04-05, 05:28
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