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11min chapter
Elasticsearch Fundamentals with Philipp Krenn
Software Huddle
Understanding Replicas in Elasticsearch Clusters
Exploring the terminology and functionality of primaries and replicas in Elasticsearch clusters, highlighting the significance of replicas for high availability and the intricacies of write operations. The chapter addresses the complexities of handling multiple replicas, emphasizing the importance of synchronous interactions and the necessity to write to a majority of replicas. It also discusses adaptive replica selection, optimizing data retrieval by aggregating top documents and balancing read and write operations for optimal cluster performance.
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