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Apache Accumulo for Developers by Guðmundur Jón Halldórsson

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Hadoop performance

There are a few important items that you need to be aware of while configuring Hadoop for performance. Hadoop is based on and written in Java, as a distributed computing framework. Since Hadoop is highly scalable, you need to consider many options depending on the requirements you have, regarding the performance and stability of your setup.

The following image gives the baseline for a better understanding of how Hadoop relies on the JVM and operating system. Knowing how to tweak JVM for performance is as important as knowing how to tweak the operating system for performance.

Hadoop performance

Baseline

To establish a baseline, we need to perform a ...

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