true or false The reduase step alter the big data being processed. True or false

Question

true or false The reduase step alter the big data being processed.

True or false The map step performs sorting and filtering of data.

HDFS Big Data Useful Data Useful Data MAP REDUCE ?????? Local copyFromLocal Big Data- Hadoop Map Reduce true false- The copy FromLocal step converts various files to the HDFS format true false- The copyToLocal step copies files in HDFS format to non-Hadoop systems like Linux true false-HDSF Useful Data can not be used as input to the Map step true false - The building of the map can be done on in parellel

Explanation / Answer

2)false

The copytolocal step copies files to local systems only.

3)True

useful data cannot be used as input to map step

5)True

The reduce step alters the data being processed the final results get consolidated in reduce step which receives input from map step.

6)False

The reducce step has sorting,filtering and shuffling as its sub parts they do sorting and filtering

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.