What is crontab? Explain with suitable example?

994

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What is the difference between Hadoop and Traditional RDBMS?

879

---

What is Partioner in hadoop? Where does it run

925

---

Does Hadoop requires RAID?

894

---

What is the purpose of DataNode block scanner?

887

---

What is a checkpoint?

923

---

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

1168

---

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

1690

---

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?

1125

---

What is the Job interface in MapReduce framework?

865

---

What is the problem with HDFS and streaming data like logs

972

---

What is the Use of SSH in Hadoop ?

923

---

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

957

---

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

1028

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