Mark Payne created NIFI-8950:
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Summary: Allow Stateless NiFi to use a file system backed Content
Repository
Key: NIFI-8950
URL: https://issues.apache.org/jira/browse/NIFI-8950
Project: Apache NiFi
Issue Type: New Feature
Components: NiFi Stateless
Reporter: Mark Payne
Assignee: Mark Payne
Stateless NiFi is capable of storing all FlowFile content on Java Heap. This is
often what we want to do, as often times this is used for small 'message' types
of flows. However, there are times when we do not want to do this. For example,
consider a scenario in which we want to download a file from S3 and push it to
some other S3 bucket. If that file is several GB, we may not have the resources
to store the entire contents in Java heap.
Instead, we may want to store the data in 'scratch space'. This change would
*NOT* result in data being persistent across restarts of the application - or
even across successive triggerings of the dataflow. I.e., this is not intended
to provide stateful, persistent storage of the data, but rather to allow for
larger FlowFiles than what can fit in memory to still be operated on by
Stateless NiFi
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