what are the steps involved in decommissioning removing

975

Different ways of debugging a job in MapReduce?

1069

Is secondary namenode a substitute to the namenode?

638

what is composite type in cassandra?

71

What does /var/hadoop/pids do?

1220

Explain transformation in rdd. How is lazy evaluation helpful in reducing the complexity of the system?

340

What do you understand by compaction?

158

Discuss the precautions that are needed to take care while adding a column?

81

Define consistency?

129

What are the actions in spark?

269

What are accumulators in spark?

296

Can we load data into a view?

653

What is a spark shuffle?

316

What happens to a namenode, when job tracker is down?

700

Does spark work with python 3?

286