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[KAFKA-739] Handle null values in Message payload - Kafka - [issue]
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...Add tests for null message payloads in producer, server, and consumer.Ensure log cleaner treats these as deletes.Test that null keys are rejected on dedupe logs....
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http://issues.apache.org/jira/browse/KAFKA-739
Author: Jay Kreps,
2013-03-12, 17:38
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[KAFKA-554] Move all per-topic configuration into ZK and add to the CreateTopicCommand - Kafka - [issue]
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...We have a number of per-topic configurations that control message retention and flush interval. Here is the list of properties I find in KafkaConfig that appear to be per-topic: t...
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http://issues.apache.org/jira/browse/KAFKA-554
Author: Jay Kreps,
2013-03-12, 17:35
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Topic config zk structures - Kafka - [mail # dev]
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...I added a proposal to the ZK data structures wiki under the heading0.8.1 covering my proposal for the topic configuration data structures(updating them from the original patch to be more con...
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Author: Jay Kreps,
2013-03-07, 18:11
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[KAFKA-741] Improve log cleaning dedupe buffer efficiency - Kafka - [issue]
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...Two good suggestions:1. Use a probing scheme to increase density without increasing the collision rate2. Only count unique updates to the offset map (i.e. if the key is all zero, don't c...
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http://issues.apache.org/jira/browse/KAFKA-741
Author: Jay Kreps,
2013-03-04, 23:55
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[KAFKA-97] SocketServer.scala refers to Handler-specific variables - Kafka - [issue]
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...There is meant to be a separation between the socket server and the kafka server. The socket server doesn't know anything about kafka, it is a set of classes that take a request handler ...
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http://issues.apache.org/jira/browse/KAFKA-97
Author: Jay Kreps,
2013-03-04, 17:58
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Re: Keeping logs forever - Kafka - [mail # user]
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...Hi Graham,This sounds like it should work fine. LinkedIn keeps the majority ofthings for 7 days. Performance is linear in data size and we havevalidated performance up to many TB of data per...
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Author: Jay Kreps,
2013-02-23, 04:13
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Re: Keeping logs forever - Kafka - [mail # user]
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...You can do this and it should work fine. You would have to keep addingmachines to get disk capacity, of course, since your data set wouldonly grow.We will keep an open file descriptor per fi...
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Author: Jay Kreps,
2013-02-22, 01:26
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Re: log file flush? - Kafka - [mail # user]
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...Yes, exactly. Here is the full story:When you restart kafka it checks if a clean shutdown was executed onthe log (which would have left a marker file), if the shutdown wasclean it assumes th...
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Author: Jay Kreps,
2013-02-20, 04:28
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Re: versionId in responses (and general API versioning questions) - Kafka - [mail # dev]
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...Awesome, thanks!-JayOn Tue, Feb 19, 2013 at 10:34 AM, David Arthur wrote:> I have created https://issues.apache.org/jira/browse/KAFKA-759 to remove> versionId as discussed>>...
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Author: Jay Kreps,
2013-02-19, 19:36
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Re: log file flush? - Kafka - [mail # user]
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...To be clear: to lose data in the filesystem you need to hard kill themachine. A hard kill of the process will not cause that.-JayOn Tue, Feb 19, 2013 at 8:25 AM, Jun Rao wrote:> Jas...
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Author: Jay Kreps,
2013-02-19, 18:00
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