Name some companies that use Hadoop?

957

---

what is hadoop archive?

927

---

Rack awareness of Namenode?

854

---

Have you ever used Counters in Hadoop. Give us an example scenario?

1063

---

How is the distance between two nodes defined in Hadoop?

1455

---

What is speculative execution in Hadoop?

1051

---

How we can change Replication factor when Data is on the fly?

1345

---

What alternate way does HDFS provides to recover data in case a Namenode

955

---

What are the problems with Hadoop 1.0?

1050

---

what are the nodes in the Hadoop cluster?

1045

---

What Mapper does?

987

---

What is your favourite tool in the hadoop ecosystem?

958

---

What is the function of NodeManager?

907

---

what is pig?

836

---

What are the steps involved in MapReduce framework?

982

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