N1QL slow compare to MySQL

cbq> select partOfNafClassification, partOfTown FROM benchmark USE INDEX (idxmulti) WHERE partOfTown = 'ville-3603’
and partOfNafClassification = 'eco/NafClassification/1000C’
limit 1; > >
{
“requestID”: “0de6be00-dc1e-4075-bb1f-336db14d7746”,
“signature”: {
“partOfNafClassification”: “json”,
“partOfTown”: “json”
},
“results”: [
],
“status”: “success”,
“metrics”: {
“elapsedTime”: “107.718672ms”,
“executionTime”: “107.619958ms”,
“resultCount”: 0,
“resultSize”: 0
}
}