What is crontab? Explain with suitable example?

1099

---

What is the difference between Hadoop and Traditional RDBMS?

963

---

What is Partioner in hadoop? Where does it run

1028

---

Does Hadoop requires RAID?

998

---

What is the purpose of DataNode block scanner?

1017

---

What is a checkpoint?

1013

---

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

1281

---

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

1773

---

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

373

---

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

1220

---

What is the Job interface in MapReduce framework?

963

---

What is the problem with HDFS and streaming data like logs

1069

---

What is the Use of SSH in Hadoop ?

1000

---

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

1052

---

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

1118

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