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https://issues.apache.org/jira/browse/NIFI-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15122763#comment-15122763
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Mark Payne commented on NIFI-259:
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[~aldrin] - Thanks for the diligence and all the work you're putting into
reviewing this! Yes, please feel free to make changes & update as necessary. I
may be a lot less hands-on for the next several weeks, but please do feel free
to address any issues that you come across or ping me if needed.
Thanks again!
-Mark
> Framework should offer Processors/extensions a way to manage simple state
> -------------------------------------------------------------------------
>
> Key: NIFI-259
> URL: https://issues.apache.org/jira/browse/NIFI-259
> Project: Apache NiFi
> Issue Type: Sub-task
> Components: Core Framework
> Reporter: Joseph Witt
> Assignee: Mark Payne
> Fix For: 0.5.0
>
> Attachments: error-message.png
>
>
> It is not uncommon for processors to need managed state which persists
> across restarts. One good example of this is the GetHTTP processor which
> needs to save state of the last cache/e-tag information it received from the
> server it interacts with so that it can avoid constantly pulling an unchanged
> resource.
> Rather than making processors roll their own persistant state management
> perhaps we can offer something to them via the ProcessContext which will
> allow them to save simple primitive values and limited length Strings which
> are local to that node and which are local to that processor only.
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