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Posted to issues@nifi.apache.org by "Mark Bean (Jira)" <ji...@apache.org> on 2022/01/12 03:08:00 UTC

[jira] [Created] (NIFI-9562) Add archive conflict resolution strategy to PutFile

Mark Bean created NIFI-9562:
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             Summary: Add archive conflict resolution strategy to PutFile
                 Key: NIFI-9562
                 URL: https://issues.apache.org/jira/browse/NIFI-9562
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Extensions
            Reporter: Mark Bean
            Assignee: Mark Bean


The PutFile processor would benefit from an 'archive' Conflict Resolution Strategy. This strategy is similar to 'replace'. However, if a file exists on the file system and would otherwise be overwritten (or cause the FlowFile to fail), the existing file is moved to an archive directory specified by the processor's configuration.

The processor will add the following properties which depend on the replacement strategy value of "archive" (new).

Archive Directory
Archive Filename Extension
Maximum Archive File Count
Guarantee Archive Filename Uniqueness

The processor will (optionally) add an extension to the filename when moving it to the archive directory. If that filename is still not unique, the filename can be made unique by adding a distinct value such as UUID. Similar to the regular directory location for PutFile, the archive directory may also have a limit on the total number of files it will hold.



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