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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
Re: Kafka JMX metrics is not a registered bean - Kafka - [mail # user]
...Not exactly sure, but you may have to escape the quotes.Thanks,JunOn Wed, Dec 24, 2014 at 3:29 AM, 马哲超  wrote: ...
   Author: Jun Rao, 2015-01-01, 00:08
Re: Kafka 0.8.1.1 Leadership changes are happening very often - Kafka - [mail # user]
...A typical cause of frequent leadership changes is GC-induced soft failure.Do you see ZK session expiration on the broker? If so, you may want toenable GC log to see the GC time.Thanks,JunOn ...
   Author: Jun Rao, 2015-01-01, 00:04
Re: kafka 0.8.1.1 delay in replica data - Kafka - [mail # user]
...Is the system time in-sync btw the two hosts?Thanks,JunOn Tue, Dec 23, 2014 at 5:23 AM, chenlax  wrote: ...
   Author: Jun Rao, 2014-12-31, 23:52
Re: the impact of partition number - Kafka - [mail # user]
...All writes to a single partition are synchronized on the broker. So, themore partitions the more parallelism (and better throughput) you have.Thanks,JunOn Mon, Dec 22, 2014 at 1:24 PM, Sa Li...
   Author: Jun Rao, 2014-12-31, 23:46
[expand - 2 more] - Re: metrics about how behind a replica is? - Kafka - [mail # user]
...In 0.8.2, we have a new java producer that allows to you specify a callbackfor each message to be sent.Thanks,JunOn Thu, Dec 18, 2014 at 12:07 PM, Xiaoyu Wang  wrote: ...
   Author: Jun Rao, 2014-12-31, 23:06
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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