45f3d457_orter_plugin_for_MR___ASF_JIRA__Protection
[Class] org.apache.hadoop.mapred.MapTask.MapOutputBuffer [Annotation] Annotated as Public, Unstable [Reason] To be able to use the default implementation of PostMapProcessor. [Protection] 
Changed to a static inner class and protection changed from package protected to public
[MAPREDUCE-2454] Allow external sorter plugin for MR - ASF JIRA