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Optimizing Hadoop for MapReduce

You're reading from   Optimizing Hadoop for MapReduce This book is the perfect introduction to sophisticated concepts in MapReduce and will ensure you have the knowledge to optimize job performance. This is not an academic treatise; it's an example-driven tutorial for the real world.

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Product type Paperback
Published in Feb 2014
Publisher
ISBN-13 9781783285655
Length 120 pages
Edition Edition
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Khaled Tannir Khaled Tannir
Author Profile Icon Khaled Tannir
Khaled Tannir
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Toc

Hardware tuning and OS recommendations


Recommendations for system tuning depend on the intrinsic capabilities of the system. The following sections suggest different recommendation techniques and tips that you can use as reminder baselines when engaging in your MapReduce optimization process.

The Hadoop cluster checklist

The following checklist describes only the minimal set of steps required to get your Hadoop cluster working optimally:

  • Check and ensure that all cluster nodes can communicate with each other and you have physical and/or remote management access to each cluster node

  • Check whether your cluster is well dimensioned and is able to compensate a failure of (at least) one node per service

  • Check the limitations of your cluster environment (hardware availability resources/rack space, hosting parameters, and so on)

  • Define your cluster strategies for a failover to ensure high availability of your services

  • Define what you need to back up, and what needs to be saved and where, in order to maximize...

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