Apache Doris 在京東搜索實時 OLAP 中的應用實踐

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"流式計算在近些年的熱度與日俱增，從Google Dataflow論文的發表，到Apache Flink計算引擎逐漸站到舞臺中央，再到Apache Druid等實時分析型數據庫的廣泛應用，流式計算引擎百花齊放。但不同的業務場景，面臨着不同的問題，沒有哪一種引擎是萬能的。通過京東搜索業務在流計算的應用實踐，或許能夠給到大家一些啓發。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"2、搜索業務形態"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"京東搜索作爲電商平臺的一個入口，爲衆多商家與用戶提供連接的紐帶。京東搜索發揮着導流的作用，給用戶提供表達需求的入口；爲了正確理解用戶意圖，將用戶的需求進行高效的轉化，線上同時運行着多個AB實驗算法，遍及POP形態與自營形態的多個商品，而這些商品所屬的品類、所在的組織架構以及品牌店鋪等屬性，都需要在線進行監控，以衡量轉化的效果和承接的能力。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"3、實時技術的挑戰"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"目前搜索上層應用業務對實時數據的需求，主要包含三部分內容："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1、 搜索整體數據的實時分析。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2、 AB實驗效果的實時監控。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3、 熱搜詞的Top榜單以反映輿情的變化。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}