What is the difference between cache and persist?
In terms of RDD persistence, what are the differences between cache() and persist() in spark ? 6 Answers 6
distributed-computing
What determines Kafka consumer offset?
I am relatively new to Kafka. I have done a bit of experimenting with it, but a few things are unclear to me … Read more
What are workers, executors, cores in Spark Standalone cluster?
I read Cluster Mode Overview and I still can’t understand the different processes in the Spark Standalone cluster and the parallelism. Is the … Read more
Spark – repartition() vs coalesce()
According to Learning Spark Keep in mind that repartitioning your data is a fairly expensive operation. Spark also has an optimized version of … Read more
Explaining Apache ZooKeeper
I am trying to understand ZooKeeper, how it works and what it does. Is there any application which is comparable to ZooKeeper? If … Read more