In this chapter, you’ll learn how to manage indices in Elasticsearch. Until this chapter, you learned about operating on a single document. In this chapter, you’ll learn about the various APIs Elasticsearch has to offer to support bulk operations. They can be very effective when its comes to rebuilding the entire index or batching requests together in a single call. Due to how the data in stored internally in Elasticsearch, the number of shards or the mapping of the fields cannot be changed after the index creation. You'll learn about Reindex API, which can rebuild the index with the correct settings. Using Elasticsearch for time-based data is a very common usage pattern. We will discuss different ways to manage time-based indices. By the end of this chapter, we will have covered the following...
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