194 lines
2.5 KiB
Markdown
194 lines
2.5 KiB
Markdown
---
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layout: default
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title: Popular APIs
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nav_order: 96
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redirect_from:
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- /opensearch/popular-api/
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---
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# Popular APIs
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**Introduced 1.0**
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{: .label .label-purple }
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This page contains example requests for popular OpenSearch operations.
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---
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#### Table of contents
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1. TOC
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{:toc}
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---
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## Create index with non-default settings
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```json
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PUT my-logs
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{
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"settings": {
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"number_of_shards": 4,
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"number_of_replicas": 2
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},
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"mappings": {
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"properties": {
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"title": {
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"type": "text"
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},
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"year": {
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"type": "integer"
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}
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}
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}
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}
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```
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## Index a document with a random ID
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```json
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POST my-logs/_doc
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{
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"title": "Your Name",
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"year": "2016"
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}
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```
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## Index a document with a specific ID
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```json
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PUT my-logs/_doc/1
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{
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"title": "Weathering with You",
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"year": "2019"
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}
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```
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## Index several documents at once
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The blank line at the end of the request body is required. If you omit the `_id` field, OpenSearch generates a random ID.
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```json
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POST _bulk
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{ "index": { "_index": "my-logs", "_id": "2" } }
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{ "title": "The Garden of Words", "year": 2013 }
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{ "index" : { "_index": "my-logs", "_id" : "3" } }
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{ "title": "5 Centimeters Per Second", "year": 2007 }
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```
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## List all indices
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```
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GET _cat/indices?v&expand_wildcards=all
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```
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## Open or close all indices that match a pattern
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```
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POST my-logs*/_open
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POST my-logs*/_close
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```
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## Delete all indices that match a pattern
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```
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DELETE my-logs*
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```
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## Create an index alias
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This request creates the alias `my-logs-today` for the index `my-logs-2019-11-13`.
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```
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PUT my-logs-2019-11-13/_alias/my-logs-today
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```
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## List all aliases
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```
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GET _cat/aliases?v
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```
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## Search an index or all indices that match a pattern
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```
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GET my-logs/_search?q=test
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GET my-logs*/_search?q=test
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```
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## Get cluster settings, including defaults
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```
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GET _cluster/settings?include_defaults=true
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```
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## Change disk watermarks (or other cluster settings)
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```json
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PUT _cluster/settings
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{
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"transient": {
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"cluster.routing.allocation.disk.watermark.low": "80%",
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"cluster.routing.allocation.disk.watermark.high": "85%"
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}
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}
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```
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## Get cluster health
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```
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GET _cluster/health
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```
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## List nodes in the cluster
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```
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GET _cat/nodes?v
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```
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## Get node statistics
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```
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GET _nodes/stats
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```
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## Get snapshots in a repository
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```
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GET _snapshot/my-repository/_all
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```
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## Take a snapshot
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```
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PUT _snapshot/my-repository/my-snapshot
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```
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## Restore a snapshot
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```json
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POST _snapshot/my-repository/my-snapshot/_restore
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{
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"indices": "-.opendistro_security",
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"include_global_state": false
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}
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```
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