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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-259) Framework should offer Processors/extensions a way to manage simple state
Date Thu, 14 Jan 2016 20:37:40 GMT

    [ https://issues.apache.org/jira/browse/NIFI-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15098802#comment-15098802
] 

ASF subversion and git services commented on NIFI-259:
------------------------------------------------------

Commit 4236125f2b0aaef356d10b5ab4b6acfede0210c5 in nifi's branch refs/heads/NIFI-259 from
[~mcgilman]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=4236125 ]

NIFI-259:
- Fixing Consumes for clear state endpoints.


> 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
>
>
> 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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