elasticsearchHow do I create an index in Elasticsearch?

To create an index in Elasticsearch, you can use the PUT API endpoint. The syntax for creating an index is as follows:

PUT /<index_name>

For example, to create an index called my_index, the following command can be used:

PUT /my_index

The response to the above command will look like the following:

{
  "acknowledged": true,
  "shards_acknowledged": true,
  "index": "my_index"
}

You can also specify the number of shards and replicas while creating an index. The syntax for doing so is as follows:

PUT /<index_name>
{
  "settings" : {
    "number_of_shards" : <number_of_shards>,
    "number_of_replicas" : <number_of_replicas>
  }
}

For example, to create an index called my_index with 5 shards and 3 replicas, the following command can be used:

PUT /my_index
{
  "settings" : {
    "number_of_shards" : 5,
    "number_of_replicas" : 3
  }
}

The response to the above command will look like the following:

{
  "acknowledged": true,
  "shards_acknowledged": true,
  "index": "my_index"
}

Parts of the code:

1. PUT: The API endpoint used to create an index.
2. <index_name>: The name of the index to be created.
3. number_of_shards: The number of shards to be created with the index.
4. number_of_replicas: The number of replicas to be created with the index.

## Helpful links

1. Elasticsearch Documentation - Create Index
2. Elasticsearch Documentation - Index APIs

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