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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CRUNCH-173) Make WritableTypeFamily more compact for composite types
Date Mon, 04 Mar 2013 06:13:12 GMT
Josh Wills created CRUNCH-173:
---------------------------------

             Summary: Make WritableTypeFamily more compact for composite types
                 Key: CRUNCH-173
                 URL: https://issues.apache.org/jira/browse/CRUNCH-173
             Project: Crunch
          Issue Type: Bug
          Components: Core
            Reporter: Josh Wills
            Assignee: Josh Wills


I'm throwing this out as something of a strawman JIRA: it's always bugged me how verbose the
serialization of TupleWritable et al. are compared to the Avro formats, so I took a crack
at changing their underlying serialization to be more compact by doing more things in terms
of BytesWritable and using the wrapping MapFns in order to do more of the de-serialization
work. Patch is attached, if anyone is interested in this or has an opinion on whether or not
this is a good idea, I'd love to hear it. The big pro is that Crunch jobs that have to use
writables will run faster as a result, the downside is that it's not backwards compatible
and it makes the code more complex.

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