Chapter 5. ElasticSearch Administration

In the previous chapter we looked at how to choose the right amount of shards and replicas for our deployment, what is over sharding, and when we can go for it. We discussed routing in greater detail and we now know how the newly introduced shard allocator works and how we can alter its work. In addition to that, we learned how to choose which shards our queries should be executed at. Finally we've used all the knowledge to configure the fault tolerant and scalable clusters and how to extend our cluster for growing the application. By the end of this chapter you will have learned:

  • How to choose the right directory implementation to allow ElasticSearch access the underlying I/O system in the most effective ...

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