How to do it...

The HTTP method that's used for both operations is POST. The URL formats for refreshing an index are as follows:

http://<server>/<index_name(s)>/_refresh

The URL formats for refreshing all the indices in a cluster are as follows:

http://<server>/_refresh

To refresh an index, we will perform the following steps:

1. If we consider the type order of the previous chapter, the call will be as follows:

POST /myindex/_refresh

1. The result returned by Elasticsearch should be as follows:

{
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  }
}