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[expand - 1 more] - Re: High CPU usage of Crc32 on Kafka broker - Kafka - [mail # user]
...Here's my summary of the state of the compression discussion:   1. We all agree that current compression performance isn't very good and   it would be nice to improve it....
   Author: Jay Kreps, 2015-02-22, 18:48
[expand - 2 more] - Re: New Producer - Is the configurable partitioner gone? - Kafka - [mail # user]
...Hey Daniel,partitionsFor() will block the very first time it sees a new topic that itdoesn't have metadata for yet. If you want to ensure you don't block eventhat one time, call it prior to ...
   Author: Jay Kreps, 2015-02-21, 23:57
[KAFKA-1952] High CPU Usage in 0.8.2 release - Kafka - [issue]
...Brokers with high partition count see increased CPU usage when migrating from 0.8.1.1 to 0.8.2....
http://issues.apache.org/jira/browse/KAFKA-1952    Author: Jay Kreps, 2015-02-20, 00:44
Re: Broker w/ high memory due to index file sizes - Kafka - [mail # user]
...40G is really huge, generally you would want more like 4G. Are you sure youneed that? Not sure what you mean by lsof and index files being too large,but the index files are memory mapped so ...
   Author: Jay Kreps, 2015-02-19, 03:16
[expand - 1 more] - [VOTE] KIP-8: Add a flush() method to the new producer - Kafka - [mail # dev]
...https://cwiki.apache.org/confluence/display/KAFKA/KIP-8+-+Add+a+flush+method+to+the+producer+API+1 binding-Jay ...
   Author: Jay Kreps, 2015-02-18, 23:50
[expand - 2 more] - Re: Consuming a snapshot from log compacted topic - Kafka - [mail # user]
...If you catch up off a compacted topic and keep consuming then you willbecome consistent with the log.I think what you are saying is that you want to create a snapshot from theKafka topic but...
   Author: Jay Kreps, 2015-02-18, 22:27
[expand - 2 more] - Re: Hold off on 0.8.2 upgrades - Kafka - [mail # user]
...Does it make sense to wait, I don't think people will upgrade without thepatched version and I think we should release it to unblock people.-JayOn Wed, Feb 18, 2015 at 1:43 PM, Jun Rao  ...
   Author: Jay Kreps, 2015-02-18, 22:14
Re: Producer duplicates - Kafka - [mail # user]
...There are some details to get this right, the lookup table has to survivefailures. But yes this is exactly what we would like to add:https://cwiki.apache.org/confluence/display/KAFKA/Idempot...
   Author: Jay Kreps, 2015-02-17, 16:47
[expand - 1 more] - Re: CallBackHandler is not being called after successful delivery of message - Kafka - [mail # user]
...i. We are debating adding a flush() call to ensure all message sends arecomplete. At the moment you can achieve this by just checking the futuresbut that is a bit less convenient.ii. If you ...
   Author: Jay Kreps, 2015-02-17, 16:43
[KAFKA-1402] Create unit test helper that stops and starts a cluster - Kafka - [issue]
...We have a zookeeper test harness. We used to have a kafka server test harness, but it looks like it has been deleted.Each test that wants to manage a server starts and stops it itself. This ...
http://issues.apache.org/jira/browse/KAFKA-1402    Author: Jay Kreps, 2015-02-16, 17:27
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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