Maxim Muzafarov created CASSANDRA-21444:
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             Summary: Speed up nodetool documentation generation by producing 
all command help in a single jvm
                 Key: CASSANDRA-21444
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21444
             Project: Apache Cassandra
          Issue Type: Task
            Reporter: Maxim Muzafarov
            Assignee: Maxim Muzafarov


Generating the nodetool AsciiDoc documentation is slow as the gen-nodetool-docs 
script uses the nodetool command-line wrapper to capture help text for eac 
command. Each invocation starts a brand-new jvm, so building the documentation 
incurs the jvm startup cost over a hundred times (100+ node tool commands). 

This makes the documentation build unnecessarily slow and ties it to the shell 
wrapper and its environment setup. The solution: Generate the raw {{nodetool 
help}} text for every command in a single jvm.



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