Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?

456

What is a yaml file in cassandra?

93

Explain the core components of hadoop?

661

What is sc parallelize?

353

How can an application connect to Hive run as a server?

1168

What happens when two clients try to access the same file on HDFS?

185

what is distributed cache in mapreduce framework?

676

what is storage and compute nodes?

736

How is Ambari different from ZooKeeper?

82

List of some best tools that can be useful for data-analysis?

431

How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?

694

What is azure spark?

295

What kind of applications is supported by Apache Hive?

812

Can rdd be shared between sparkcontexts?

286

Explain Machine Learning library in Spark?

285