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https://issues.apache.org/jira/browse/NIFI-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14982764#comment-14982764
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Joe Skora commented on NIFI-994:
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[~markap14] I agree Scenario #4 is unlikely, but I fully expect Scenario #2
will happen. Since it will only occur at the frequency of the log rotation it
will probably go unnoticed and it might be impossible to detect.
However, I can envision OS aware versions that use file system features like
iNotify or understand logrotate so that they can keep on processing the data
even as the "logs roll". ;-)
Regardless, this is going to be a useful processor and probably pretty popular.
It will be good to have it in the toolkit!
> Processor to tail files
> -----------------------
>
> Key: NIFI-994
> URL: https://issues.apache.org/jira/browse/NIFI-994
> Project: Apache NiFi
> Issue Type: New Feature
> Affects Versions: 0.4.0
> Reporter: Joseph Percivall
> Assignee: Mark Payne
> Fix For: 0.4.0
>
> Attachments: 0001-NIFI-994-Initial-import-of-TailFile.patch,
> 0002-NIFI-994-Ensure-that-processor-is-not-valid-due-to-t.patch
>
>
> It's a very common data ingest situation to want to input text into the
> system by "tailing" a file, most commonly log files. Currently we don't have
> an easy way to do this.
> A simple processor to tail a file would benefit many users. There would need
> to be an option to not just tail a file but pick up where the processor left
> off if it is interrupted.
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