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Posted to dev@storm.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/06/24 11:55:16 UTC

[jira] [Commented] (STORM-1919) Introduce FilterBolt on storm-redis

    [ https://issues.apache.org/jira/browse/STORM-1919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348179#comment-15348179 ] 

ASF GitHub Bot commented on STORM-1919:
---------------------------------------

GitHub user HeartSaVioR opened a pull request:

    https://github.com/apache/storm/pull/1517

    STORM-1919 Introduce FilterBolt on storm-redis

    * introduce RedisFilterBolt, and relevant class (RedisFilterMapper)
    * add example topology: WhitelistWordCount
    * update how to use to README.md
    * also correct some javadocs
    
    It should be easy to backport to 1.x-branch as well so I didn't create another pull request against 1.x-branch.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/HeartSaVioR/storm STORM-1919

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/storm/pull/1517.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 #1517
    
----
commit 5e72b7c90f6e157ad7e5a194697547dbf3b22fee
Author: Jungtaek Lim <ka...@gmail.com>
Date:   2016-06-24T11:50:49Z

    STORM-1919 Introduce FilterBolt on storm-redis
    
    * introduce RedisFilterBolt, and relevant class (RedisFilterMapper)
    * add example topology: WhitelistWordCount
    * update how to use to README.md
    * also correct some javadocs

----


> Introduce FilterBolt on storm-redis
> -----------------------------------
>
>                 Key: STORM-1919
>                 URL: https://issues.apache.org/jira/browse/STORM-1919
>             Project: Apache Storm
>          Issue Type: New Feature
>          Components: storm-redis
>            Reporter: Jungtaek Lim
>            Assignee: Jungtaek Lim
>
> While discussing about STORM-1880, it would be better to have FilterBolt explicitly instead of letting users set up their lookup mapper to act as filter.
> There's other benefit here: we can use exists / hexists on STRING / HASH datatype instead of retrieving actual value which reduces execution time / latency from Redis side.



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