What are channel selectors?

969

---

What are the stable versions of Hadoop?

965

---

Input Split & Record Reader and what they do?

980

---

what is the default replication factor in HDFS?

982

---

How indexing is done in HDFS?

1034

---

Why are the number of splits equal to the number of maps?

914

---

What are the two main components of ResourceManager?

1111

---

How will you make changes to the default configuration files?

918

---

What are the different types of Znodes?

953

---

How many instances of JobTracker can run on a Hadoop Cluser?

979

---

What's the best way to copy files between HDFS clusters?

1329

---

Can Apache Kafka be used without Zookeeper?

989

---

What is Your Cluster size ?

1402

---

What is the default block size in hdfs?

991

---

What are active and passive "NameNodes"?

1411

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