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[KAFKA-1797] add the serializer/deserializer api to the new java client - Kafka - [issue]
...Currently, the new java clients take a byte array for both the key and the value. While this api is simple, it pushes the serialization/deserialization logic into the application. This makes...
http://issues.apache.org/jira/browse/KAFKA-1797    Author: Jun Rao, 2015-01-09, 19:28
[KAFKA-1849] Utils.readBytes() should support null ByteBuffer - Kafka - [issue]
...We use Utils.readBytes to get the bytes from message.payload. However, message.payload can be null....
http://issues.apache.org/jira/browse/KAFKA-1849    Author: Jun Rao, 2015-01-09, 03:08
[expand - 1 more] - Re: Consumer and offset management support in 0.8.2 and 0.9 - Kafka - [mail # user]
...I took a stab at fixing this issue in KAFKA-1841.This is actually a bit tricky to fix. In addition to the incompatible wireprotocol change of version 0 of OffsetCommitRequest, there is also ...
   Author: Jun Rao, 2015-01-08, 23:58
Re: [Kafka-users] Differences MessageIn between two kafka clusters replicated by mirror maker - Kafka - [mail # user]
...Not sure exactly what's happening there. In any case, 0.7 is really old.You probably want to upgrade to the latest 0.8 release.Thanks,JunOn Tue, Jan 6, 2015 at 12:16 AM, tao li  wrote:&...
   Author: Jun Rao, 2015-01-07, 06:20
Re: kafka deleted old logs but not released - Kafka - [mail # user]
...Do you mean that the Kafka broker still holds a file handler on a deletedfile? Do you see those files being deleted in the Kafka log4j log?Thanks,JunOn Tue, Jan 6, 2015 at 4:46 AM, Yonghui Z...
   Author: Jun Rao, 2015-01-07, 05:59
Re: The message would be committed if message "un-committed" - Kafka - [mail # user]
...The consumer always fetches data from the leader broker.Thanks,JunOn Tue, Jan 6, 2015 at 2:50 AM, chenlax  wrote: ...
   Author: Jun Rao, 2015-01-07, 05:52
Re: mirrormaker tool in 0.82beta - Kafka - [mail # user]
...Did you set offsets.storage to kafka in the consumer of mirror maker?Thanks,JunOn Mon, Jan 5, 2015 at 3:49 PM, svante karlsson  wrote: ...
   Author: Jun Rao, 2015-01-07, 05:45
Re: Version numbers - Kafka - [mail # user]
...The 0.8.2 branch is our release branch. We won't update any existingreleased version and instead, will use a new version for every release. So0.8.2-beta will be changed to 0.8.2.-beta-2 and ...
   Author: Jun Rao, 2015-01-06, 18:55
[KAFKA-1788] producer record can stay in RecordAccumulator forever if leader is no available - Kafka - [issue]
...In the new producer, when a partition has no leader for a long time (e.g., all replicas are down), the records for that partition will stay in the RecordAccumulator until the leader is avail...
http://issues.apache.org/jira/browse/KAFKA-1788    Author: Jun Rao, 2015-01-06, 18:44
Re: kafka consumer pull - Kafka - [mail # user]
...1. Kafka consumers support long poll. If there is no new message, a fetchrequest will block at the broker for up to max.wait.ms,2. If you want the two consumers to each consume a full set of...
   Author: Jun Rao, 2015-01-01, 00:17
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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