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https://issues.apache.org/jira/browse/NIFI-3644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16023451#comment-16023451
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ASF GitHub Bot commented on NIFI-3644:
--------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/1645
> Add DetectDuplicateUsingHBase processor
> ---------------------------------------
>
> Key: NIFI-3644
> URL: https://issues.apache.org/jira/browse/NIFI-3644
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Bjorn Olsen
> Priority: Minor
> Fix For: 1.3.0
>
>
> The DetectDuplicate processor makes use of a distributed map cache for
> maintaining a list of unique file identifiers (such as hashes).
> The distributed map cache functionality could be provided by an HBase table,
> which then allows for reliably storing a huge volume of file identifiers and
> auditing information. The downside of this approach is of course that HBase
> is required.
> Storing the unique file identifiers in a reliable, query-able manner along
> with some audit information is of benefit to several use cases.
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