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https://issues.apache.org/jira/browse/NIFI-631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027265#comment-15027265
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ASF subversion and git services commented on NIFI-631:
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Commit 58384c78dc3ba170490c4aa8461fce9390f5a693 in nifi's branch
refs/heads/NIFI-631 from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=58384c7 ]
NIFI-631: Initial implementation of FetchFile processor
> Create ListFile and FetchFile processors
> ----------------------------------------
>
> Key: NIFI-631
> URL: https://issues.apache.org/jira/browse/NIFI-631
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Mark Payne
> Assignee: Joe Skora
> Fix For: 0.4.0
>
> Attachments:
> 0001-NIFI-631-Initial-implementation-of-FetchFile-process.patch,
> NIFI-631.000.patch, Test_ListFile_FetchFile.xml
>
>
> This pair of Processors will provide several benefits over the existing
> GetFile processor:
> 1. Currently, GetFile will continually pull the same files if the "Keep
> Source File" property is set to true. There is no way to pull the file and
> leave it in the directory without continually pulling the same file. We could
> implement state here, but it would either be a huge amount of state to
> remember everything pulled or it would have to always pull the oldest file
> first so that we can maintain just the Last Modified Date of the last file
> pulled plus all files with the same Last Modified Date that have already been
> pulled.
> 2. If pulling from a network attached storage such as NFS, this would allow a
> single processor to run ListFiles and then distribute those FlowFiles to the
> cluster so that the cluster can share the work of pulling the data.
> 3. There are use cases when we may want to pull a specific file (for example,
> in conjunction with ProcessHttpRequest/ProcessHttpResponse) rather than just
> pull all files in a directory. GetFile does not support this.
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