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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXMALHAR-2309) TimeBasedDedupOperator marks new tuples as duplicates if expired tuples exist
Date Mon, 24 Oct 2016 06:29:58 GMT

    [ https://issues.apache.org/jira/browse/APEXMALHAR-2309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15601112#comment-15601112
] 

ASF GitHub Bot commented on APEXMALHAR-2309:
--------------------------------------------

Github user francisf closed the pull request at:

    https://github.com/apache/apex-malhar/pull/464


> TimeBasedDedupOperator marks new tuples as duplicates if expired tuples exist
> -----------------------------------------------------------------------------
>
>                 Key: APEXMALHAR-2309
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2309
>             Project: Apache Apex Malhar
>          Issue Type: Bug
>    Affects Versions: 3.5.0
>            Reporter: Francis Fernandes
>            Assignee: Francis Fernandes
>
> The deduper marks valid tuples outside the expiry window as duplicates. 
> Consider the following configuration (number of buckets = 1 )
> {code}
>   <property>
>     <name>dt.application.DedupTestApp.operator.Deduper.prop.expireBefore</name>
>     <value>10</value>
>   </property>
>   <property>
>     <name>dt.application.DedupTestApp.operator.Deduper.prop.bucketSpan</name>
>     <value>10</value>
>   </property>
> {code}
> The data piped in is : 
> {code}
> "10",1474614305000,"Test"
> "11",1474614315000,"Test"
> "10",1474614325000,"Test"
> {code}
> The 3rd tuple is valid since it is outside of the expiry window. But it is marked as
duplicate because although the first tuple although expired is still present in the Bucket.flash.
> The issue happens when the expiry duration lesser than the checkpointing duration.



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