Explanation:Map file is again a kind of hadoop file based data structure and it differs from a sequence file in a matter of the order. 6. Which of the following format is more compression-aggressive ?
A. Partition Compressed
B. Record Compressed
C. Block-Compressed
D. Uncompressed
Answer:A
Explanation:Map file is again a kind of hadoop file based data structure and it differs from a sequence file in a matter of the order. 6. Which of the following format is more compression-aggressive ?
A. Partition Compressed B. Record Compressed C. Block-Compressed D. Uncompressed
Explanation:SequenceFile key-value list can be just a Text/Text pair, and is written to the file during the initialization that happens in the SequenceFile. 7. The __________ is a directory that contains two SequenceFile.