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The "FileFormatDesignDoc" page has been changed by StuHood.
http://wiki.apache.org/cassandra/FileFormatDesignDoc?action=diff&rev1=20&rev2=21

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  }
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+ == Roadmap ==
+ 
+ Implementation has started on this design at 
https://github.com/stuhood/cassandra/tree/file-format
+ 
+ === v1 ===
+ 
+ The first posted version of the patch will:
+  * Will ''not'' implement metadata packing (group varint or bitmapped 
types/nulls)
+  * Will ''not'' implement field reordering
+  * Will be based on Avro
+ 
  == References ==
  
   * [1] http://sergey.melnix.com/pub/melnik_VLDB10.pdf

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