[jira] [Commented] (NIFI-3644) Add DetectDuplicateUsingHBase processor

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-3644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16022295#comment-16022295 ] 

ASF GitHub Bot commented on NIFI-3644:
--------------------------------------

Github user joewitt commented on the issue:

    https://github.com/apache/nifi/pull/1645
  
    This looks like it could be pretty helpful!  I wonder if in light of the recent LookupService work we should consider exposing/using this via that interface instead of or in addition to this distributed cache one.  Thoughts?


> 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
>
> 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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