Why Apache Spark is faster than Hadoop?

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aish999
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Joined: 08 Oct 2019 06:28

Why Apache Spark is faster than Hadoop?

Post by aish999 » 08 Oct 2019 06:31

The biggest claim from Spark regarding speed is that it is able to "run programs up to 100x faster than Hadoop MapReduce in memory, or 10x faster on disk." Spark could make this claim because it does the processing in the main memory of the worker nodes and prevents the unnecessary I/O operations with the disks.
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