Data Lake for Enterprises

Index in Elasticsearch

Elasticsearch stores the data in a logical grouping called an index. In an index you store documents sharing similar characteristics. One of the very important terms that you will use with Elasticsearch as defining this has huge impact on how you work with Elasticsearch, doing searching, updating and so on. In a cluster, you can define any number of indexes according to your requirement, but it does look into how the node and cluster is configured for Elasticsearch. An index can store a large amount of data (billions of documents) amounting to 1TB in an index. But storing this much data on a single index could affect its performance when searching or selecting data. When an index is being created you can specify the ...