What are the important differences between apache and hadoop?

738

---

Is there any point of learning mapreduce, then?

699

---

While processing data from hdfs, does it execute code near data?

54

---

Define the term ‘sparse vector.’

297

---

Define the roles of the file system in any framework?

318

---

What happens to rdd when one of the nodes on which it is distributed goes down?

444

---

List commonly used machine learning algorithm?

300

---

Explain the filter transformation?

337

---

what do you mean by the worker node?

326

---

What is rdd lineage graph? How is it useful in achieving fault tolerance?

322

---

Explain about trformations and actions in the context of rdds?

324

---

What is the key difference between textfile and wholetextfile method?

292

---

What do you understand by the parquet file?

294

---

If there is certain data that we want to use again and again in different transformations, what should improve the performance?

322

---

Explain partitions?

293

---