查询实例性能数据 resId=59&beginTime=10&timeSpan=min 响应示例 { "statusCode":800, "message":"查询MongoD实例性能数据成功", "returnObj":{ "wiredTigerCachePagesRead":[17,17,17,17,17,17,17,17,17,17,17], "wiredTigerCacheTracked":[4,0,0,0,0,0,0,0,0,0,0], "metricsDocumentUpdatedPersecond"