Service error

A service error means there is a problem that prevents the request being fulfilled:

Request:

$ curl -v http://localhost:8093/query/service \
-d "statement=SELECT text FROM tweets LIMIT 1"

Response:

     $lt; HTTP/1.1 503 Service Unavailable
     {
     "requestID": "5c0a6a81-2fc8-4a33-a035-ed7fb1512710",
     "errors": [
     {
     "code": <int>,
     "msg": "Request queue full"
     }],
     "status": "errors",
     "metrics": {
     "elapsedTime": "134.7944us",
     "executionTime": "130.5518us",
     "resultCount": 0,
     "resultSize": 0,
     "mutationCount": 0,
     "errorCount": 1,
     "warningCount": 0
     }
     }
     $