Learning Elasticsearch

Multi Get API

Multi Get API is used to retrieve multiple documents using a single request. A simple request to get the documents based on the unique identifier is shown here:

 POST chapter5/product/_mget {   "ids" : ["2", "3"] }

The response of the preceding query is as follows:

{   "docs": [     {       "_index": "chapter5",       "_type": "product",       "_id": "2",       "_version": 2,       "found": true,       "_source": {         "product_name": "Button down Shirt",         "unit_price": "40",         "shipping_price": 6.5       }     },     {       "_index": "chapter5",       "_type": "product",       "_id": "3",       "_version": 2,       "found": true,       "_source": {         "product_name": "Non-Iron Solid Shirt",         "unit_price": "40",         "shipping_price": 5       }     }   ] }

To retrieve documents from different index/types, metadata information can be specified ...