[jira] [Created] (CASSANDRA-13631) add header parameter size to internode messaging protocol

["Jason Brown (JIRA)" <ji...@apache.org>]

Jason Brown created CASSANDRA-13631:
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             Summary: add header parameter size to internode messaging protocol
                 Key: CASSANDRA-13631
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13631
             Project: Cassandra
          Issue Type: Task
          Components: Streaming and Messaging
            Reporter: Jason Brown
            Assignee: Jason Brown
            Priority: Minor


as netty is not a streaming/blocking protocol and works best when buffer sizes are known, I had to do a bunch of contortions in {{MessageInHandler}} (as part of CASSANDRA-8457) to safely read the message header parameters. If we add a header parameters size field to the internode messaging protocol, the header parsing code would be dramatically simpler (note: we'll still need the existing parsing to support the cluster upgrade use case). An alternative to adding a new field is to hijack the existing header parameter count field; that field is an {{int}}, so field width is not an issue.



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