question: return number of indexrecord entries in this spill . concode_field_sep ByteBuffer buf concode_elem_sep LongBuffer entries concode_field_sep void writeToFile concode_elem_sep void writeToFile concode_elem_sep IndexRecord getIndex concode_elem_sep void putIndex
target: int function ( ) { return entries . capacity ( ) / ( MapTask . MAP_OUTPUT_INDEX_RECORD_LENGTH / 8 ) ; }