Joe Mészáros created NIFI-988:
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Summary: PutDistributedMapCache processor
Key: NIFI-988
URL: https://issues.apache.org/jira/browse/NIFI-988
Project: Apache NiFi
Issue Type: New Feature
Components: Core Framework
Reporter: Joe Mészáros
Priority: Minor
There is a standard controller service, called DistributedMapCacheServer, which
provides a distributed cache, and an associated
DistributedMapCacheClientService to interact with the cache. But there is not
any standard processor, which puts data into the cache, and helps the user to
leverage the distributed cache capabilities.
The purpose of PutDistributedMapCache is very similar to the egress processors:
it gets the content of a FlowFile and puts it to a distributed map cache, using
a cache key computed from FlowFile attributes. If the cache already contains
the entry and the cache update strategy is 'keep original' the entry is not
replaced.
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