Apache Doris在公交行業的應用實踐-公開.pdf

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1、Apache Doris 在公交行業的應用實踐杜忠猛智達信科 數據研發部大數據專家Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia

2、 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023目錄2.平臺架構演進3.公交應用實踐4.總結與展望1.行業背景Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023

3、Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20231行業背景Doris Summit Asia 2023Doris Sum

4、mit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023D

5、oris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023智達科技成立于2002年，是國內專注于“公共交通智能化”領域的專業化高新技術企業。公司聚焦于“有核心技術和產品的智慧出行整體解決方案提供商”核心戰略，以“數字底座”為核心技術，產品線覆蓋“企業、政府、公眾”三大客戶群體，為公交行業數字化轉型提供一站式解決方案。Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia

6、 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20232億人次覆蓋每天2

7、億人次公交周轉量3億人口覆蓋近3億人口的公共交通出行15萬車輛覆蓋國內公交行業15萬輛車60個城市覆蓋60余座城市5個國家覆蓋一帶一路沿線5個國家覆蓋全國60余主要城市，直轄市占有率50%Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Su

8、mmit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023過去十年，國家政策支撐為公交行業發展帶來了歷史的發展機遇，隨著這十年的高速發展，公交行業的基礎設施和治理手段有了質的飛躍，如智能硬件、智能調度、智能助手等的應用。隨著發展，供給側和需求側的的矛盾日益突出，一方面是人民日益

9、增長的靈活且多樣化的出行需求，一方面是傳統公交經營模式難以升級的困境，使得公交行業的數字化升級成為了必由之路。Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Dor

10、is Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023為解決公交行業數字化轉型面臨的問題，智達決定構建數據中臺。智達數據中臺實現了收、存、治、算、用，五大基礎能力，讓數據從采集、存儲、處理、計算到應用變成標準化的能力。實現業務數據的可視化，輔助集團管理層科學決策，推動業務系統優化。Doris Summit Asia 2023Doris Summit

11、Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris

12、 Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20232平臺架構演進Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit

13、 Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023數據源DEBSrc-StreamSrc-RDBMSSrc-Misc計算引擎任務調度ODSDWDDWSADSSQLAPIKong-API-GateIOTMD一期架構數據倉庫數據應用數據服務即席分析Doris Summit Asia 2023Doris Summit Asia

14、 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Sum

15、mit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023對于日增千萬級別的數據，Mysql無法承載Hive數倉落盤時效性10分鐘級別數據時效性Presto測試查詢并發百級別查詢不穩定，對于同一個SQL兩次查詢耗時相差數倍查詢并發Presto查詢時效性在秒至分鐘級別對于大數據量實時OLAP響應及時性差查詢延遲高由于Mysql承載數據量有限，大量計算邏輯、狀態需要在內存完成開發周期長計算復雜一期架構的問題Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Dor

16、is Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia

17、 2023Doris Summit Asia 2023 可以方便地與Flink、Spark框架結合使用 數據導入便捷，數據導入時效性高，秒級 外部表能力，可以分析其他存儲數據，簡化整體功能豐富 故障自動恢復 集群擴展方便 社區活躍，方便與社區溝通運維便捷 明細數據級別多表join能力 支持分區，單表百億級別數據量 支持復雜SQL邏輯，索引，視圖OLAP能力 直接承載后端API查詢 通用的SQL查詢語法 查詢響應快速，毫秒至秒級別 可以支持上千并發高性能平臺需求Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Do

18、ris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asi

19、a 2023Doris Summit Asia 2023OLAP引擎 標準SQL 查詢延遲導入延遲導入語義Join支持明細查詢并發生態運維難度Doris非常完善低實時Exactly-Once支持支持支持獨立低ClickHouse較完善低實時At-least-Once一般支持較差獨立中Druid較完善低實時Exactly-Once較低支持支持不獨立低Kylin非常完善非常低分鐘級無不支持不支持支持不獨立高Presto非常完善一般分鐘級無支持支持支持不獨立低OLAP 技術選型Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia

20、2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summ

21、it Asia 2023Doris Summit Asia 2023二期架構數據源DEBSrc-StreamSrc-RDBMSSrc-Misc計算引擎任務調度ODSDWDDWSADSSQLAPIKong-API-GateIOTMD數據倉庫數據應用數據服務即席分析Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit As

22、ia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023-查詢指定車輛定位數據，關聯組織機構SELECTa.*,b.*FROM(SELECT*FROM db.TI_GPS_TABLE WHERE rq=

23、AND GPSHOUR=10 AND busname=123)as aLEFT JOIN(SELECT*FROM db.TD_MD_CL_TABLE tmhcd WHERE rq=)as bON a.rq=b.rq AND a.busname=b.clzbh;-定位數據提取，數據量15億SELECT*FROM db.TI_GPS_TABLE WHERE rq=AND GPSHOUR=10 AND BUSNAME=123;-定位數據表結構CREATE TABLE TI_GPS_TABLE(RQ date NOT NULL COMMENT GPS日期,GPSHOUR int NOT NULL CO

24、MMENT GPS時間小時,GPSMIN int NOT NULL COMMENT GPS時間分鐘,GPSTIME bigint NOT NULL COMMENT GPS數據時間,BUSNAME varchar(50)NOT NULL COMMENT 車輛名稱,LATITUDE bigint REPLACE_IF_NOT_NULL NULL COMMENT 緯度*36000,LONGITUDE bigint REPLACE_IF_NOT_NULL NULL COMMENT 經度*36000,SPEED double REPLACE_IF_NOT_NULL NULL COMMENT 速度 km/

25、h.)AGGREGATE KEY(RQ,GPSHOUR,GPSMIN,GPSTIME,BUSNAME).Doris 測試結果40%Join 場景提升70%數據回放提升10倍每秒 QPS提升Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Su

26、mmit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20233公交應用實踐Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit As

27、ia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023優化實踐Dor

28、is Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia

29、 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20230255075100125150175200225250275300325350375400周一周二周三周四周五周六周日升級前升級后95分位查詢用時-ms向量化升級，提高查詢性能客流分析出車分析維修保養CAN感知26%31%35%27%Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023D

30、oris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit As

31、ia 2023Stream Load 在智達的使用使用重試機制，寫入失敗時，定時重試，重試后仍然失敗的批次寫入hdfs，Spark定時任務檢測hdfs，寫入Doris。第一階段Flink Checkpoint保證數據精準一次性寫入。第二階段使用Flink Doris Connector保證數據精準一次性寫入。第三階段Stream LoadDoris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20

32、23Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023第一階段FlinkDorisStream Load批次寫入失敗，重試

33、HDFSSparkDolphinDoris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20

34、23Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023第二階段BEFEJobManagerState BackendSourceSinkInput Start Checkpoint Stream Load Snapshot state Sink Request AbortedDoris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summi

35、t Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Dor

36、is Summit Asia 2023-創建“刷卡刷碼”數據Kafka數據源CREATE TABLE icqrKafkaTable(rq STRING,/檢錄日期hour STRING,/檢錄小時lineID STRING,/線路編號perkType STRING,/檢錄類型，刷卡/掃碼direction STRING,/線路方向ts TIMESTAMP(3)METADATA FROM timestamp,procTime as PROCTIME()WITH(connector=kafka,topic=ICQR,.)-開窗匯總乘客客流人次，并關聯Mysql線路維表，增加線路名稱字段insert

37、 into flink_doris_sink select c.rq,c.hour,c.lineID,c.lineName,c.perkType,c.direction,count(1)(select a.rq,a.hour,a.lineID,b.lineName,a.perkType,a.direction,a.procTimefrom icqrKafkaTable aLEFT JOIN Mysql_xl FOR SYSTEM_TIME AS OF a.procTime as b/時態表on a.lineId=b.lineId)as c GROUP BY c.rq,c.hour,c.line

38、Id,c.lineName,c.perkType,c.direction,TUMBLE(c.procTime,INTERVAL 30 SECONDS);-創建Doris寫入表CREATE TABLE flink_doris_sink(RQ STRING,/日期HOUR STRING,/小時LINID STRING,/線路編號LINENAME STRING，/線路名稱，新增PERKTYPE STRING,/檢錄類型，刷卡/掃碼DIRECTION STRING,/線路方向RC STRING/人次，Doris字段聚合類型為SUM)WITH(connector=doris,.)第三階段Doris Su

39、mmit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023

40、Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023實際車次.運送速度.準點車次.營業里程.實際配班.實際配車.Doris表列SQLSQLSQLSQLSQLSQLFlink作業部分列更新，提高運調業務開發效率車次分析速度分析準點分析里程分析配班分析配車分析Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023

41、Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023 建表耗時由原來的秒級增加到

42、分鐘級 建表分區數多，經常會超時問題現象 官網建議單個Tablet 1G-10G 采用方案：ADS層表，單Tablet 50M ODS層大數據量表，單Tablet 100M-500M解決方案180萬30萬優化前優化后元數據壓力Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summi

43、t Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023HiveIceBergHudiESJDBCDLF.Hive Catalog訪問流程FE3.Plan&分區裁剪HiveMetaStoreHDFS/S3BE1.獲取Schema2.獲取P

44、artition4.獲取File List5.任務拆分6.任務下發7.讀取文件數據湖分析Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit A

45、sia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023問題點元數據管理 如何檢索多個Doris集群表的元數據 有多少張生產表、多少張測試表 表是做什么的，從哪一個業務系統產生 表處于數倉中的哪一層 表是哪一種數據模型 表中的數據是什么類型，主數據、事務數據還是感知數據 數據的保留周期是多久 誰創建，誰修改過表Web元數據API元數據庫Doris操作APIDoris1Dor

46、is2Doris3Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris

47、 Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023 多集群元數據管理 數據庫創建、檢索 表創建(表單、SQL)、檢索、字段檢索 業務域、數據維度、數據密級、數據類型、操作人信息功能點 元數據校驗 元數據自動同步、告警 一鍵同步表元數據元數據同步元數據管理Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris

48、 Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2

49、023Query 監控Flume審計日志KafkaDoris用戶日查詢量各Doris用戶賬號日查詢量、查詢平均延遲慢查詢SQL用戶的慢查詢SQL列表錯誤查詢SQL用戶的錯誤查詢SQL列表掃描數據量掃描數據量超過百萬行SQL列表SQL改寫BitMap索引BloomFilterDoris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Sum

50、mit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 20234總結與展望Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia

51、 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Sum

52、mit Asia 2023Doris Summit Asia 2023800張+應用表280萬+日查詢5000億+數據條數600+指標數550+API應用現狀Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023D

53、oris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023將 Doris 融入到更多的業務場景中承載更多的實時+離線業務，推動離線指標實時化Doris 新版本跟進，將更多新特性融入并改善現有業務積極與社區交流，為社區提供更多 Doris 在公交領域的使用場景實踐未來展望Doris Summit Asia 2

54、023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summi

55、t Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023獲取更多社區動態與最佳實踐Doris Summit 峰會官網：doris- Doris Summit 峰會回放：https:/ Doris 官網：doris.apache.orgApache Doris GitHub： Doris 官方平臺：Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023Doris Summit Asia 2023