Elasticsearch index
An Elasticsearch index is a named, searchable collection of documents organized for querying and distributed across storage shards and replicas.
Elasticsearch in Action, Second Edition
An Elasticsearch index is a logical collection of searchable documents distributed across shards and replicas.
- How it is used
- Groups related JSON documents for indexing, retrieval, search, and operational management.
- How deep it goes
- Defines logical and shard-backed structure, then details creation, mappings, replicas, reindexing, and lifecycle-oriented management.
- Examples
- Uses books, cars, news, trades, and a 50-book bookstore dataset indexed through REST, Kibana, and the bulk API.
- What you can do after
- Operate/configure it by creating indexes, choosing mappings and replica settings, and reindexing schema changes into a replacement index.
Read how Elasticsearch in Action, Second Edition explains Elasticsearch index →
Learn Docker in a Month of Lunches, Second Edition
An Elasticsearch index is a named collection of documents that can be searched and queried as a unit.
- How it is used
- Supports centralized container-log storage, search, filtering, and time-based exploration through Kibana.
- How deep it goes
- Defines indexes as document collections and demonstrates naming, data views, and searches, but does not detail Elasticsearch internals.
- Examples
- Uses Fluentd-created fluentd-{date} indexes containing timecheck and other container log documents.
- What you can do after
- Operate/configure an EFK exercise, create a Kibana data view, and search collected container-log documents.
Read how Learn Docker in a Month of Lunches, Second Edition explains Elasticsearch index →
Related concepts
- dataset splithas part · A dataset split is the division of a dataset into distinct subsets assigned different purposes, such as training, validation, or testing.
- index configurationhas part · An index configuration is a set of settings and mappings that defines an index’s structure, behavior, and data-processing parameters.
- HTTP PUT methodproduced by · The HTTP PUT method requests creation or complete replacement of a resource representation at a specified target URI.
- deletionused by · Deletion is an operation that removes an item, association, or resource from a collection or system, or requests or marks it for removal.
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