What is crontab? Explain with suitable example?

994

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What is the difference between Hadoop and Traditional RDBMS?

875

---

What is Partioner in hadoop? Where does it run

925

---

Does Hadoop requires RAID?

890

---

What is the purpose of DataNode block scanner?

885

---

What is a checkpoint?

921

---

Did you ever ran into a lop sided job that resulted in out of memory error

1166

---

What is the communication channel between client and namenode/datanode?

1688

---

What are the different operational commands in HBase at record level and table level?

347

---

What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

1123

---

What is the Job interface in MapReduce framework?

862

---

What is the problem with HDFS and streaming data like logs

968

---

What is the Use of SSH in Hadoop ?

920

---

What infrastructure do we need to process 100 TB data using Hadoop?

955

---

What is the difference between a Hadoop and Relational Database and Nosql?

1026

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