Is spark an etl?

190

Is it possible to run Spark and Mesos along with Hadoop?

191

How many types of Transformation are there?

228

How does apache spark work?

190

What are accumulators in Apache Spark?

224

What is data ingestion pipeline?

186

Define partitions in apache spark.

2092

What is RDD in Apache Spark? How are they computed in Spark? what are the various ways in which it can create?

219

Describe the distnct(),union(),intersection() and substract() transformation in Apache Spark RDD?

201

What is the difference between hive and spark?

192

What is difference between map and flatmap?

183

Can you define parquet file?

189

Is Apache Spark a good fit for Reinforcement learning?

208

Describe coalesce() operation. When can you coalesce to a larger number of partitions? Explain.

238

How do I get better performance with spark?

211