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[expand - 1 more] - Re: Kafka on EC2 - Kafka - [mail # user]
...In my experience, anything smaller than m1.xlarge isn't really suitable for I/O intensive high performance stuff. I would guess that, for Kafka, a single m1.xlarge would outperform two m1.la...
   Author: David Arthur, 2012-11-20, 15:52
Keeping track of offsets - Kafka - [mail # user]
...I'm working on offset management for my Python client (non-ZK). I'm having trouble seeing how you would keep track of the message offset when using compression. As I understand it, when you ...
   Author: David Arthur, 2012-11-19, 20:45
Re: On SIGTERM and SIGKILL consumer ids in zookeeper do not always get cleared - Kafka - [mail # user]
...BTW, this is a feature of the ephemeral nodes in ZooKeeper, not a feature of Kafka. If Kafka doesn't close the ZK connection explicitly, ZK waits for the session timeout before deleting ephe...
   Author: David Arthur, 2012-11-19, 19:34
Re: version of zookeeper - Kafka - [mail # user]
...The ZooKeeper API has been stable for a while, I do not suspect there would be any problems between 3.3.4 and 3.4.x. Personally, I have run Kafka 0.7.x with ZooKeeper 3.4.3 with no problems ...
   Author: David Arthur, 2012-11-13, 13:55
[expand - 1 more] - Re: Kafka stream processing framework? - Kafka - [mail # dev]
...Prashanth,  Storm seems to be more focused on data flow between Storm processors (spout? bolt? i forget). My particular use case follows this pattern:  * read id from kafka queue *...
   Author: David Arthur, 2012-11-08, 16:38
[expand - 1 more] - Re: Committing offsets - Kafka - [mail # user]
...Thanks, Jun. This is what I was looking for. I did a little experimentation and found that if I crashed the JVM immediately after consuming a message, the offset is not always changed. I'm g...
   Author: David Arthur, 2012-11-08, 16:32
Re: Multi Costumer and Broker - Kafka - [mail # dev]
...Read through the quick start on the project page http://incubator.apache.org/kafka/quickstart.html  Kafka consumers need to be in the same "consumer group" in order to act as one (one m...
   Author: David Arthur, 2012-11-08, 15:11
Re: Scenarios of Hadoop producers and consumers - Kafka - [mail # user]
...Indeed Hadoop is not the ideal platform for stream processing, but there are plenty of use cases for Kakfa + Hadoop. I use it to consolidate log data from many different systems into HDFS. I...
   Author: David Arthur, 2012-10-31, 01:05
Kafka Python client - Kafka - [mail # user]
...I sent this around on the devs list, but neglected to include the users list. A few weeks ago I put together a "protocol" Python client for Kafka. It doesn't do any of the ZooKeeper/consumer...
   Author: David Arthur, 2012-10-29, 18:12
Re: How to feed MessagePack object to Kafka? - Kafka - [mail # user]
...kafka.message.Message has a constructor that takes in a byte array. MessagePack.write takes in an Object and returns a byte array. You just need to glue the two together in a kafka.serialize...
   Author: David Arthur, 2012-10-29, 18:01
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