Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Pig Wiki" for change 
notification.

The "Pig070IncompatibleChanges" page has been changed by OlgaN.
http://wiki.apache.org/pig/Pig070IncompatibleChanges?action=diff&rev1=25&rev2=26

--------------------------------------------------

  
  == Summary ==
  
- || Change || Impact || Steps to address || Comments ||
+ || Change || Section || Impact || Steps to address || Comments ||
- || Load/Store interface changes || High || [[LoadStoreMigrationGuide || Load 
Store Migration Guide]] || ||
+ || Load/Store interface changes || Changes to the Load and Store Functions || 
High || [[LoadStoreMigrationGuide || Load Store Migration Guide]] || ||
+ || Data compression becomes load/store function specific || Handling 
Compressed Data || Unknow but hopefully low || If compression is needed the 
underlying Input/Output format would need to support it || ||
- || Bzip compressed files can no longer have .bz extension || Low || 1. Rename 
existing .bz files to .bz2 files. 2. Update scripts to read/write files with 
bz2 extension || This change is due to the fact that Text{Input/Output}Format 
only supports bz2 extension ||
+ || Bzip compressed files can no longer have .bz extension || Handling 
Compressed Data || Low || 1. Rename existing .bz files to .bz2 files. 2. Update 
scripts to read/write files with bz2 extension || This change is due to the 
fact that Text{Input/Output}Format only supports bz2 extension ||
+ || Switch to Hadoop's local mode || Local Mode || Low || None || Main change 
is 10-20x performance slowdown. Also, local mode now uses the same UDF 
interfaces to execute UDFs as the MR mode. ||
  
  == Changes to the Load and Store Functions ==
  

Reply via email to