compress a size in bytes to 8 bits for efficient reporting of map output sizes . we do this by encoding the log base 1.1 of the size as an integer , which can support sizes up to 35 gb with at most 10 % error . concode_field_sep MapStatus$ MODULE$ concode_field_sep org.apache.spark.scheduler.MapStatus apply concode_elem_sep long decompressSize
byte function ( long arg0 ) { throw new RuntimeException ( ) ; }