void function ( ) { if ( writer != null ) jobConf . getOutputCommitter ( ) . setupTask ( new TaskAttemptContextImpl ( jobConf , attempt ) ) ; }
setup task . concode_field_sep JobConf jobConf concode_elem_sep RecordWriter writer concode_elem_sep HadoopTaskContext taskCtx concode_elem_sep TaskAttemptID attempt concode_field_sep void abort concode_elem_sep void closeWriter concode_elem_sep void commit concode_elem_sep void collect