- Elasticsearch Guide: other versions:
- Getting Started
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- Breaking changes
- Breaking changes in 2.3
- Breaking changes in 2.2
- Breaking changes in 2.1
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- Removed features
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path.data
striping - Mapping changes
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cat
changes - Java API changes
- API Conventions
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analyzer
boost
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doc_values
dynamic
enabled
fielddata
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index
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- Modules
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- Glossary of terms
- Release Notes
- 2.3.5 Release Notes
- 2.3.4 Release Notes
- 2.3.3 Release Notes
- 2.3.2 Release Notes
- 2.3.1 Release Notes
- 2.3.0 Release Notes
- 2.2.2 Release Notes
- 2.2.1 Release Notes
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- 2.1.2 Release Notes
- 2.1.1 Release Notes
- 2.1.0 Release Notes
- 2.0.2 Release Notes
- 2.0.1 Release Notes
- 2.0.0 Release Notes
- 2.0.0-rc1 Release Notes
- 2.0.0-beta2 Release Notes
- 2.0.0-beta1 Release Notes
WARNING: Version 2.3 of Elasticsearch has passed its EOL date.
This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
Batch Processing
editBatch Processing
editIn addition to being able to index, update, and delete individual documents, Elasticsearch also provides the ability to perform any of the above operations in batches using the _bulk
API. This functionality is important in that it provides a very efficient mechanism to do multiple operations as fast as possible with as little network roundtrips as possible.
As a quick example, the following call indexes two documents (ID 1 - John Doe and ID 2 - Jane Doe) in one bulk operation:
curl -XPOST 'localhost:9200/customer/external/_bulk?pretty' -d ' {"index":{"_id":"1"}} {"name": "John Doe" } {"index":{"_id":"2"}} {"name": "Jane Doe" } '
This example updates the first document (ID of 1) and then deletes the second document (ID of 2) in one bulk operation:
curl -XPOST 'localhost:9200/customer/external/_bulk?pretty' -d ' {"update":{"_id":"1"}} {"doc": { "name": "John Doe becomes Jane Doe" } } {"delete":{"_id":"2"}} '
Note above that for the delete action, there is no corresponding source document after it since deletes only require the ID of the document to be deleted.
The bulk API executes all the actions sequentially and in order. If a single action fails for whatever reason, it will continue to process the remainder of the actions after it. When the bulk API returns, it will provide a status for each action (in the same order it was sent in) so that you can check if a specific action failed or not.