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https://issues.apache.org/jira/browse/APEXMALHAR-2139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15371846#comment-15371846
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ASF GitHub Bot commented on APEXMALHAR-2139:
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GitHub user aayushia opened a pull request:
https://github.com/apache/apex-malhar/pull/338
APEXMALHAR-2139
Emit only the keys for which values changed or were added in a given window.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/aayushia/apex-malhar APEXMALHAR-2139
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/apex-malhar/pull/338.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 #338
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commit 7d36050d4602018b7f9b6cef563b01973b8ee5e6
Author: Aayushi Acharya <[email protected]>
Date: 2016-07-11T22:55:57Z
APEXMALHAR-2139 #resolve #comment Emit only the keys for which values
changed or were added in a given window.
----
> UniqueCounter changes
> ---------------------
>
> Key: APEXMALHAR-2139
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2139
> Project: Apache Apex Malhar
> Issue Type: Improvement
> Reporter: Aayushi Acharya
> Fix For: 3.5.0
>
>
> 1.Update the unique counter operator from Malhar
> https://github.com/apache/apex-malhar/blob/master/library/src/main/java/com/datatorrent/lib/algo/UniqueCounter.java
> to emit one tuple at a time vs dumping a map.
> 2.Emit only the keys for which values changed or were added in a given window.
> 3.Add test cases for 1 and 2.
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