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From "Ismael Juma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-1072) Allow mulitple topics selected with a TopicFilter to be balanced among consumers
Date Tue, 17 May 2016 14:13:13 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ismael Juma updated KAFKA-1072:
-------------------------------
    Fix Version/s:     (was: 0.10.1.0)
                   0.8.2.0

> Allow mulitple topics selected with a TopicFilter to be balanced among consumers
> --------------------------------------------------------------------------------
>
>                 Key: KAFKA-1072
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1072
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Jason Rosenberg
>             Fix For: 0.8.2.0
>
>
> Currently, there is no parallelism used when consuming a set of topics selected by a
white list topic filter, if those topics all have a partition count of 1.  Currently, all
topics that match the filter get assigned to the same thread on the same consumer, even though
there may be plenty of different topics (and therefore many partitions to be consumed from).
> There are often good reasons to use a partition count of only 1 (e.g. to preserve message
ordering).  For arbitrary scalability, over a large number of topics, this would be a great
benefit to be able to consume topics balanced over a set of available consumers.



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