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The "Pig070IncompatibleChanges" page has been changed by OlgaN.
http://wiki.apache.org/pig/Pig070IncompatibleChanges?action=diff&rev1=27&rev2=28

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  || Load-Stream or Stream-Store optimizations no longer supported || Streaming 
|| Low to None || None || This feature was never documented so it is unlikely 
it was ever used ||
  || No longer support serialization and decerialization via load/store 
functions || Streaming || Unknown but hopefully low to medium || Implement new 
Serializer/Deserializer interfaces for non-standard serialization || ||
  || Removed BinaryStorage builtin || Streaming || Low to None || None || As 
far as we know, this class was only used internally by streaming ||
+ || Split by file feature is removed || Split by File || Low to None || Input 
format of the loader would need to be used || We don't know that this feature 
was widely/ever used ||
+ || Local files no longer accessible from hadoop || Access to Local Files from 
Map-Reduce Mode || low to none || copy the file to the cluster using 
copyToLocal command || This feature was not documented ||
+ || Removing Custom Comparators || Removing Custom Comparators || Low to None 
|| None || This feature has been depricated since Pig 0.5.0 release. We don't 
have a single known use case ||
  
  == Changes to the Load and Store Functions ==
  

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