SPARQL query status API

To get the status of SPARQL queries, use HTTP GET or POST to make a request to the https://your-neptune-endpoint:port/sparql/status endpoint.

SPARQL query status request parameters

queryId (optional)

The ID of a running SPARQL query. Only displays the status of the specified query.

SPARQL query status response syntax

{
    "acceptedQueryCount": integer,
    "runningQueryCount": integer,
    "queries": [
      {
        "queryId":"guid",
        "queryEvalStats":
          {
            "subqueries": integer,
            "elapsed": integer,
            "cancelled": boolean
          },
        "queryString": "string"
      }
    ]
}

SPARQL query status response values

acceptedQueryCount

The number of queries accepted since the last restart of the Neptune engine.

runningQueryCount

The number of currently running SPARQL queries.

queries

A list of the current SPARQL queries.

queryId

A GUID id for the query. Neptune automatically assigns this ID value to each query, or you can also assign your own ID (see Inject a Custom ID Into a Neptune Gremlin or SPARQL Query).

queryEvalStats

Statistics for this query.

subqueries

Number of subqueries in this query.

elapsed

The number of milliseconds the query has been running so far.

cancelled

True indicates that the query was cancelled.

queryString

The submitted query.

SPARQL query status example

The following is an example of the status command using curl and HTTP GET.

curl https://your-neptune-endpoint:port/sparql/status

This output shows a single running query.

{
    "acceptedQueryCount":9,
    "runningQueryCount":1,
    "queries": [
        {
            "queryId":"fb34cd3e-f37c-4d12-9cf2-03bb741bf54f",
            "queryEvalStats":
                {
                    "subqueries": 0,
                    "elapsed": 29256,
                    "cancelled": false
                },
            "queryString": "SELECT ?s ?p ?o WHERE {?s ?p ?o}"
        }
    ]
}