Explanation:The SetFile instead of append(key, value) as just the key field append(key) and the value is always the NullWritable instance. 10. ____________ data file takes is based on avro serializaton framework which was primarily created for hadoop.
A. Oozie
B. Avro
C. cTakes
D. Lucene
Answer:A
Explanation:The SetFile instead of append(key, value) as just the key field append(key) and the value is always the NullWritable instance. 10. ____________ data file takes is based on avro serializaton framework which was primarily created for hadoop.
A. Oozie B. Avro C. cTakes D. Lucene
Explanation:Avro is a splittable data format with a metadata section at the beginning and then a sequence of avro serialized objects. Sanfoundry Global Education & Learning Series – Hadoop.