Eliminating Elasticsearch Bottlenecks: Tuning Queries for High-Performance C Stores
Understanding Elasticsearch Query Execution for Bottleneck Identification Before we can tune Elasticsearch queries, we must understand how Elasticsearch executes them. A typical search request involves a query phase and a fetch phase. During the query phase, the coordinating node broadcasts the query to all relevant shards. Each shard executes the query locally and returns a […]