[jira] [Created] (NIFI-712) Improve documentation of MergeContent

["Dan Bress (JIRA)" <ji...@apache.org>]

Dan Bress created NIFI-712:
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             Summary: Improve documentation of MergeContent
                 Key: NIFI-712
                 URL: https://issues.apache.org/jira/browse/NIFI-712
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Documentation & Website
    Affects Versions: 0.1.0
            Reporter: Dan Bress
            Priority: Minor


MergeContent is an incredibly powerful processor, but its [documentation|https://nifi.incubator.apache.org/docs/nifi-docs/components/org.apache.nifi.processors.standard.MergeContent/index.html] is confusing, and makes it hard to understand how to configure it to do what you want.

I'm proposing improving the documentation in the following ways:
# Provide a graphical picture(a .png) to show how Bins, Bundles, Entries, and Groups relate to one another.  Put this in additionalDetails.html.
# Pick a term and stick with it.  I think we use Bin, Bundle and Group in the documentation interchangeably when they all mean the same thing.  Maybe I'm wrong about this, but this is part of my confusion.
# I think [this line|https://github.com/apache/incubator-nifi/blob/develop/nifi/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/MergeContent.java#L80-L82] is a typo
## It is recommended that the Processor be configured with only a single incoming connection, *as Group of FlowFiles* will not be created from FlowFiles in different connections



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