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Create Index

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Create Index

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The create index API allows to instantiate an index. ElasticSearch provides support for multiple indices, including executing operations across several indices.

Index Settings

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Each index created can have specific settings associated with it.

$ curl -XPUT 'http://localhost:9200/twitter/'

$ curl -XPUT 'http://localhost:9200/twitter/' -d '
index :
    number_of_shards : 3
    number_of_replicas : 2
'

The above second curl example shows how an index called twitter can be created with specific settings for it using YAML. In this case, creating an index with 3 shards, each with 2 replicas. The index settings can also be defined with JSON:

$ curl -XPUT 'http://localhost:9200/twitter/' -d '{
    "settings" : {
        "index" : {
            "number_of_shards" : 3,
            "number_of_replicas" : 2
        }
    }
}'

or more simplified

$ curl -XPUT 'http://localhost:9200/twitter/' -d '{
    "settings" : {
        "number_of_shards" : 3,
        "number_of_replicas" : 2
    }
}'

You do not have to explicitly specify index section inside the settings section.

For more information regarding all the different index level settings that can be set when creating an index, please check the index modules section.

Mappings

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The create index API allows to provide a set of one or more mappings:

curl -XPOST localhost:9200/test -d '{
    "settings" : {
        "number_of_shards" : 1
    },
    "mappings" : {
        "type1" : {
            "_source" : { "enabled" : false },
            "properties" : {
                "field1" : { "type" : "string", "index" : "not_analyzed" }
            }
        }
    }
}'

Warmers

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The create index API allows also to provide a set of warmers:

curl -XPUT localhost:9200/test -d '{
    "warmers" : {
        "warmer_1" : {
            "source" : {
                "query" : {
                    ...
                }
            }
        }
    }
}'

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