Common Commands
Essential Elasticsearch API commands and queries for administration and data operations
The Ultimate Guide to Managing Elasticsearch Indices via API Commands
Master Elasticsearch index management with this ultimate guide to API commands. Learn how to meticulously create indices with custom mappings and settings using `PUT`, comprehensively view their configurations and details with `GET`, and safely delete unnecessary indices using `DELETE`. This article provides practical examples, best practices, and crucial warnings, empowering you to effectively control your data's lifecycle within Elasticsearch for optimal performance and resource management.
Efficiently Managing Data Using the Elasticsearch _bulk API Command
Unlock significant performance gains in Elasticsearch by mastering the `_bulk` API. This comprehensive guide explains the command's structure and provides practical examples for efficiently indexing, updating, and deleting multiple documents in a single, highly optimized request. Learn how to reduce network overhead and streamline your data management workflows for a faster, more scalable Elasticsearch experience.
Troubleshooting: Checking and Interpreting Elasticsearch Cluster Health Status
Master the essential techniques for diagnosing Elasticsearch cluster health. This guide details how to use the `_cat/health` API to check status and interpret the crucial Green, Yellow, and Red indicators. Learn the root causes of unassigned shards, how to use advanced APIs like `_cat/shards` and `_cluster/allocation/explain` for deep diagnostics, and the actionable steps required to resolve critical cluster instability quickly and effectively.
Mastering Elasticsearch Query DSL: Essential Commands for Data Retrieval
Unlock the power of Elasticsearch retrieval by mastering the Query DSL. This guide breaks down essential JSON query structures, focusing on practical usage of `match`, `term`, and range queries. Learn the critical difference between `must` (scoring) and `filter` (caching) clauses within the foundational `bool` query, enabling you to construct complex, high-performance data searches efficiently.
Indexing and Updating Documents with the Elasticsearch REST API
Master the core Create, Read, Update, Delete (CRUD) operations in Elasticsearch using the REST API. This guide details the precise HTTP requests, endpoints, and JSON payloads required for indexing new documents (with or without specified IDs) and performing granular, partial updates on existing records. Learn practical `curl` examples for atomic updates, scripted modifications, and efficient bulk data ingestion.