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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXMALHAR-2430) Optimize Join accumulation by changing the data structure in accumulation method
Date Fri, 10 Mar 2017 12:46:04 GMT

    [ https://issues.apache.org/jira/browse/APEXMALHAR-2430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905009#comment-15905009
] 

ASF GitHub Bot commented on APEXMALHAR-2430:
--------------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/apex-malhar/pull/576


> Optimize Join accumulation by changing the data structure in accumulation method
> --------------------------------------------------------------------------------
>
>                 Key: APEXMALHAR-2430
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2430
>             Project: Apache Apex Malhar
>          Issue Type: Improvement
>            Reporter: Hitesh Kapoor
>            Assignee: Hitesh Kapoor
>             Fix For: 3.7.0
>
>
> Instead of having a list of map we can have List<MultiMap<Object, Object>>
The key to multimap is a unique object generated for set of keys configured  and value of
multimap can contain more than one object for the same key.
> This way, while making the comparison, it becomes straightforward how to get the matching
pairs.



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