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[expand - 2 more] - Re: Leader: -1 on Kafka - Kafka - [mail # user]
...No it is not common/expected. It will be difficult to give you anyuseful advise without your logs - please send over your state changelogs and broker logs.On Mon, Apr 21, 2014 at 11:36:34PM ...
   Author: Joel Koshy, 2014-04-22, 06:40
Re: how to measure consumer time for x number of messages - Kafka - [mail # user]
...There are message-rate mbeans that you can read. You can hook upsomething like jconsole/visualvm to your consumer instance and explorethe mbeans. E.g., we have a messages/sec meter for each ...
   Author: Joel Koshy, 2014-04-21, 23:05
Re: How to calculate number of partitions? - Kafka - [mail # user]
...Does this help:https://cwiki.apache.org/confluence/display/KAFKA/FAQ#FAQ-HowdoIchoosethenumberofpartitionsforatopic?On Wed, Apr 16, 2014 at 03:34:28PM -0700, Cassa L wrote: ...
   Author: Joel Koshy, 2014-04-16, 22:40
Re: [DISCUSS] 0.8.1.1 vs 0.8.2 - Kafka - [mail # dev]
...The 0.8.1 tag came back because some committers had the tag locallyand did a push before updating their local checkouts. The tag + branchcombination is confusing. E.g., if you have a local 0...
   Author: Joel Koshy, 2014-04-16, 18:27
[expand - 1 more] - Re: HighLevelConsumer question - Kafka - [mail # user]
...The consumer will issue multi-fetch requests across all the brokersthat it consumes from. i.e., it will fetch chunks (if available) fromall the brokers and put them into "chunk-queues" that ...
   Author: Joel Koshy, 2014-04-14, 18:28
[expand - 1 more] - Re: cpu and memory used by kafka broker. - Kafka - [mail # user]
...That's a fairly old release - you may want to try 0.8.1 (or wait for0.8.1.1 which should be out in late April since 0.8.1 has some knownbugs)?That said, I tried locally but wasn't able to re...
   Author: Joel Koshy, 2014-04-12, 00:33
[expand - 1 more] - Re: Issue with kafka cluster with broker not able to send messages. - Kafka - [mail # user]
...Interesting - can you share those thread dumps?Also, your process file handle limit is extremely low (and differentfrom what seems to be the default for your user-id from your earliermessage...
   Author: Joel Koshy, 2014-04-11, 17:37
Re: High level consumer replaying the messages - Kafka - [mail # user]
...You don't need to match the number of partitions. Your nine consumersshould distribute those 12 partitions amongst themselves. Are you byany chance consuming across a high latency link? Can ...
   Author: Joel Koshy, 2014-04-11, 00:49
[KAFKA-1373] LogCleaner assumes first dirty offset zero if there is no cleaner checkpoint - Kafka - [issue]
...If you try enabling the compaction policy on a topic that already exists and if its first segment starts with anything other than zero you will see something like this:java.lang.IllegalArgum...
http://issues.apache.org/jira/browse/KAFKA-1373    Author: Joel Koshy, 2014-04-11, 00:19
Re: console producer question - Kafka - [mail # user]
...This may be because the 0.8 producer sticks to a partition duringmetadata refresh intervals.  You can get around that by specifying akey:Each line would then be:KEY###MESSAGEThe key is ...
   Author: Joel Koshy, 2014-04-09, 23:45
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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