void function ( ) { map . free ( ) ; }
free the memory associated with this map . this is idempotent and can be called multiple times . concode_field_sep UnsafeProjection groupingKeyProjection concode_elem_sep UnsafeRow currentAggregationBuffer concode_elem_sep StructType groupingKeySchema concode_elem_sep byte[] emptyAggregationBuffer concode_elem_sep boolean enablePerfMetrics concode_elem_sep StructType aggregationBufferSchema concode_elem_sep BytesToBytesMap map concode_field_sep void printPerfMetrics concode_elem_sep KVIterator<UnsafeRow,UnsafeRow> iterator concode_elem_sep boolean supportsAggregationBufferSchema concode_elem_sep UnsafeRow getAggregationBuffer concode_elem_sep int getNumDataPages concode_elem_sep UnsafeKVExternalSorter destructAndCreateExternalSorter concode_elem_sep UnsafeRow getAggregationBufferFromUnsafeRow concode_elem_sep long getPeakMemoryUsedBytes