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# Recover from a snapshot (shard)

PUT http://localhost:6333/collections/{collection_name}/shards/{shard_id}/snapshots/recover
Content-Type: application/json

Recovers the shard of a local collection from a snapshot. This will overwrite any collection data, which is stored in this shard.

Reference: https://api.qdrant.tech/api-reference/snapshots/recover-shard-from-snapshot

## Authentication

- `api-key` header (required) — API Key authentication via header

## Servers

- `http://localhost:6333` (http, default)
- `https://localhost:6333` (https)

## Request

### Path parameters

- `collection_name` (string, required) — Name of the collection
- `shard_id` (integer, required) — Id of the shard to recover

### Query parameters

- `wait` (boolean, optional) — If true, wait for changes to actually happen. If false - let changes happen in background. Default is true.

### Body (application/json)

This endpoint expects a ShardSnapshotRecover.

- `location` (ShardSnapshotLocation, required)
- `priority` (ShardSnapshotRecoverPriority, optional)
- `checksum` (string, optional, nullable) — Optional SHA256 checksum to verify snapshot integrity before recovery.
- `api_key` (string, optional, nullable) — Optional API key used when fetching the snapshot from a remote URL.

## Response

### 200

successful operation

- `time` (double, optional) — Time spent to process this request
- `status` (string, optional)
- `result` (boolean, optional)

## Types

### ShardSnapshotLocation

### ShardSnapshotRecoverPriority

## Examples

**Request**

```json
{
  "location": "string"
}
```

**Response**

```json
{
  "time": 0.002,
  "status": "ok",
  "result": true
}
```

**SDK Code**

```python
import requests

url = "http://localhost:6333/collections/collection_name/shards/1/snapshots/recover"

payload = { "location": "string" }
headers = {
    "api-key": "<apiKey>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'http://localhost:6333/collections/collection_name/shards/1/snapshots/recover';
const options = {
  method: 'PUT',
  headers: {'api-key': '<apiKey>', 'Content-Type': 'application/json'},
  body: '{"location":"string"}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "http://localhost:6333/collections/collection_name/shards/1/snapshots/recover"

	payload := strings.NewReader("{\n  \"location\": \"string\"\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("api-key", "<apiKey>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("http://localhost:6333/collections/collection_name/shards/1/snapshots/recover")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Put.new(url)
request["api-key"] = '<apiKey>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"location\": \"string\"\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.put("http://localhost:6333/collections/collection_name/shards/1/snapshots/recover")
  .header("api-key", "<apiKey>")
  .header("Content-Type", "application/json")
  .body("{\n  \"location\": \"string\"\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'http://localhost:6333/collections/collection_name/shards/1/snapshots/recover', [
  'body' => '{
  "location": "string"
}',
  'headers' => [
    'Content-Type' => 'application/json',
    'api-key' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("http://localhost:6333/collections/collection_name/shards/1/snapshots/recover");
var request = new RestRequest(Method.PUT);
request.AddHeader("api-key", "<apiKey>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"location\": \"string\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "api-key": "<apiKey>",
  "Content-Type": "application/json"
]
let parameters = ["location": "string"] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "http://localhost:6333/collections/collection_name/shards/1/snapshots/recover")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```