Answer / Shashi Bhushan Singh

Distributed Cache in Hadoop is a service that allows applications to cache files across the nodes of a cluster. This can help reduce the amount of data transferred between nodes, improving performance for tasks such as machine learning and graph processing.

How a task is scheduled by a jobtracker?

1 Answers  

---

Can you explain how do ‘map’ and ‘reduce’ work?

1 Answers  

---

What is Apache Hadoop?

1 Answers  

---

What is structured data?

1 Answers  

---

Can you tell us more about ssh?

1 Answers  

---

What is crontab? Explain with suitable example?

1 Answers  

---

What is Writable & WritableComparable interface?

1 Answers  

---

Are Namenode and job tracker on the same host?

1 Answers  

---

How to resolve small file problem in hdfs?

1 Answers  

---

Mention what are the data components used by Hadoop?

1 Answers  

---

How to come out of the insert mode?

1 Answers  

---

how is a file of the size 1 GB uncompressed

1 Answers  

---