Point out the correct statement :
A. With TextInputFormat and KeyValueTextInputFormat, each mapper receives a variable number of lines of input
B. StreamXmlRecordReader, the page elements can be interpreted as records for processing by a mapper
C. The number depends on the size of the split and the length of the lines.
D. All of the mentioned
Answer:A
Point out the correct statement :
A. With TextInputFormat and KeyValueTextInputFormat, each mapper receives a variable number of lines of input B. StreamXmlRecordReader, the page elements can be interpreted as records for processing by a mapper C. The number depends on the size of the split and the length of the lines. D. All of the mentioned
Explanation:Large XML documents that are composed of a series of “records” can be broken into these records using simple string or regular-expression matching to find start and end tags of records. 3. The key, a ____________, is the byte offset within the file of the beginning of the line.