distributed-computing Archives

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

May 26, 2022
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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 ...

May 24, 2022
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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 ...

May 20, 2022
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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 ...

May 10, 2022
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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 ...

May 8, 2022
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