查询实例性能数据v2 0, 0, 0, 0, 0 ]assertsMsgPersecondArray of Integers每秒消息数[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]opcountersReplInsertPersecondArray of Integers从节点每秒复制插入操作数[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]oplogSizePhArray of Integers主节点生成oplog的速率[ 0.0, 0.0, 0.0, 0.0, 0.0