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https://issues.apache.org/jira/browse/KAFKA-2493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14725070#comment-14725070
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ASF GitHub Bot commented on KAFKA-2493:
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GitHub user sslavic opened a pull request:
https://github.com/apache/kafka/pull/184
KAFKA-2493 Upgraded zkclient dependency from 0.5 to 0.6
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sslavic/kafka feature/KAFKA-2492
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/184.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #184
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commit 9f7d7e304c966349c5c39bbe852d3f4220ffe467
Author: Stevo Slavic <ssla...@gmail.com>
Date: 2015-09-01T09:34:43Z
KAFKA-2493 Upgraded zkclient dependency from 0.5 to 0.6
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> Add ability to fetch only keys in consumer
> ------------------------------------------
>
> Key: KAFKA-2493
> URL: https://issues.apache.org/jira/browse/KAFKA-2493
> Project: Kafka
> Issue Type: Wish
> Components: consumer
> Reporter: Ivan Balashov
> Assignee: Neha Narkhede
> Priority: Minor
>
> Often clients need to find out which offsets contain necessary data. One of
> the possible solutions would be to iterate with small fetch size. However,
> this still leads to unnecessary data being transmitted in case keys already
> reference searched data. The ability to fetch keys only would simplify search
> for the necessary offset.
> Of course, there can be other scenarios where consumer needs keys only,
> without message part.
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