Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - How Elasticsearch Scales?

The video tutorial explains how Elasticsearch scales using shards, which are distributed across a cluster of computers. It covers the concepts of primary and replica shards, which ensure resiliency against node failures. The tutorial also discusses how Elasticsearch handles data writing and reading, emphasizing the importance of planning shard configuration to accommodate future growth. The video highlights the fault tolerance of Elasticsearch and provides insights into the mathematical configuration of shards.

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