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    # 一個敏捷實踐的誕生 / 黃冠中 (Aaron Huang) {%hackmd @ModernWeb/SyA2U6SmT %} > 共筆請從這開始 投影片: https://docs.google.com/presentation/d/1AdoOkCFYgctrGjZPlz7kB6BEJvYKDQdXPblciMt5M9A/ * **鼓勵大家常常換工作** * **不想這麼激進也可以常常參加 Conf,吸收別處的經驗** ## 傳統軟體生命週期帶來的痛苦與反思 * 過於樂觀的產出預測 * 参差不齊的品質 * etc.... * Waterfall vs DevOps ## 求道自路 即使開發方法再好,不對的產品,公司還是會倒 ## 理想的工作流程 傳統軟體方法論:像是十字路口的紅綠燈 紅綠燈的問題,很容易因為單點故障,而造成系統崩潰 現在軟體開發方法像(國外的)圓環,沒有紅綠燈,相當於把權力下放 領導者要做的是什麼. 創造了一個框架, empower每個人(每台車的價值上), 設計一個規劃. 每台車都可以安全的通過, 都不用紅綠燈. > 如果導入到台灣..會發生什麼事, 圓環中間會被加上十字路口, 而且圓環會有紅綠燈 RRRRR ## 賦權與自組織 ## 可量測 感覺得到問題,但沒有好的方式告訴老闆 > 每個動作都要可以測量, 更客觀的去看工作上的bottleneck發生在哪裡. 不然只能自己murmur ## 可持續 若要讓產品成功,可持續性是最重要的 ## 如何開始 ## 一窩蜂敏捷開發 Hyper Driven Development > flow: 公布,準備起飛->第1場演講->更多的演講->狂熱->妄想->新流派員!->降溫->回到常態, 現在終於能理性分析利幣了. 每個團隊都是不一樣的,不同的團隊有不同的合作方式 到了新的團隊,先了解你的團隊 - 從流程的可持續性出 - 試驗性的調整並循環改善 - 客觀的數據提供改善流程的依據 - 整理工作流程,區分任務階段 實作 -> 觀察 -> 測量 -> 數據 ## 存在即合理 瞭解團隊過去的歷史 > observe 做為一個agile coach , 如果是盲目的去做, 就無法答到可持續性. (媽媽覺得你餓) ## 明確的劃分流程 ## 將問題可視化 透明度的體現, 一但我們將metric 可視化了之後, 就可快速的看到bottleneck在哪, 要怎麼去改善. 'Cumulative Flow Diagram' vs 'Nmber of tasks' ### 累計流程圖 Cumulative Flow Diagram 把每個細節都連成線 ## Enhancement scum會議, 四大會議, 其實是不同時間點的改善會議. 在 retro 用客觀數據來改善 process ## 一個敏捷實踐的誕生. ---- > 聊天室 這個 Bookmarks 密密麻麻到看不到了 > 應該要擺直的比較清楚 >> 我說的不是職涯 喔懂了 哈只剩icon,是網頁 鼓勵常換工作 可是我每次去面試都被嗆 Q.Q 說穩定性太差 (回嗆之前的公司沒成長空間 你們能讓我成長我就會穩定) 拿著公假來這裡被鼓勵換工作XD (讚喔) 剛剛照相機一柱擎天嚇我一跳... > 我覺得有一位不太會拍 一直干擾 >> 昨天我看到攝影師,前後左右到處移動 >> 甚至還在投影幕前拍講者(?????) >>> 有點傻眼 像機器人 到處按而已啊 >>> 今天有看到另外一位比較專業,會挑比較不干擾別人的點 >>> 還會有直接擋到投影幕的 -> 對啊 我都不知道拍出來投影幕有他的存在感 有什麼意義 >>> 有專業的相機,在遠處拍就很清楚了吧 草書字體好漂亮 > 求字型 我覺得問題是不follow的很辛苦,是沒人要follow 其實講者講的我都同意 不過我還是有個問題 如果都是一群 junior 這樣還適合走 Scrum 或 Agile 嗎? > 應該還是可以吧?? 但理論上管理層不會這樣安排, 除非是內部不重要的系統?? > 但有請教練比較不會走歪 >> 是有 Scrum Master >> 不過問題在於 junior 太多 >> 所以大家開發時候比較...卡 >> ** '存在即合理' , 如果一群junior的話, 合理性是在哪?是否接受度高, 意即, 也許卡卡的..在一開始就是可以接受的? maybe是練兵的project?? >>> 可能除了討論開發的東西,還要花時間回顧跑敏捷的流程 >>> 看大家覺得怎麼調整會跑更順 >>> 敏捷沒有標準跑法,只要能讓團隊持續成長就好,不同團隊有不同風格(推) >>>> 會再繼續問這問題,是因為新人通常也不會有甚麼反饋 >>>> 如果只是團隊持續有成長的角度來看 >>>> 無論怎麼運行都會有成長 >>>> 但是以系統架構的角度來看,容易有很多技術債 -> 感覺是需要senior當code reviewer,要用PR不是直接讓大家push。不然code quality也是無解,但這就需要 CI/CD工具才能達成。 >> 都是 Junior 的話,還是需要真正懂的人來帶領。做一個比喻,在 pair 結對編程的時候,兩個人都對目前的領域和技術都不熟悉,不懂帶不懂,會有效果嗎? >> 至少需要一個資深和一個資淺的人配合,或是兩位都是資深的才有效果 >> pair 不能兩個junior,要一個senior或是兩個都senior才有效 >> 我的重點不是資深與否,而是『真正懂』,技術上需要,實踐敏捷的過程也需要有這樣的人存在 >>>> 我們講的senior一般是指懂的,你做十年只會if/else我也不認為是senior (十個一年的概念還是junior) 所以現在還有mob,直接帶一群人一起 => 同意喔, 還是要至少一個資深的帶, 請Scrum master 倒不如直接接去別team拉一個資深的帶, 或請人. 那會這樣'安排' 應有其他考量吧. Scrum 本身的假設就是團隊中的能力是相似的差距不大的 > 不過我覺得理想上的要求有點高了,因為他希望每一位都全能,後端缺人可以前端的補上(極端的情境下) >> 既視感太強 > 『本身的假設能力不相上下』這句是錯的,scrum team 組成的要求只有能夠完整端點對端點交付組成的跨職能團隊,並沒有對於能力程度高低的任何假設前提 > 如果說團隊能力需要足夠到能夠完成任務,這樣是正確的,焦點是團隊整體能力,不是個人能力 > >> 可以解釋一下 完整端對跨職能團隊 嗎 >>> 可以。用簡單的解釋方式來說,就是假設團隊完成一個任務,需要前後端、測試,才能完成交付,那團隊內的成員,就需要有所有的職能,但不是所有人都需要具備所有能力。 >>> 比如說後端工程師有可能同時也會做一部分的測試工作,或許他的測試功力沒有專職測試的人強,但是可以在需要的時候做這件事情。 >>> 有的團隊因為任務特性可能需要資料工程師,甚至是商務分析師,那麼在組成團隊的時候,就必須有這些職能,我要強調的是『職能』,而不是一個專屬職務。因為一個人可能具備多種職能,但可能某一、二項是最深入專業的,團隊的組成也沒有一定要強迫工程師要跨端。 >>> 重點是整個團隊需要有能力可以完成,所有需要完成任務的專業 >>> 這樣解釋跨職能團隊,有比較具體嗎? 我後來都覺得是看團隊的態度和學習意願,只要大家願意頂多走慢一點,常常是大家在那裡扯後腿 感謝聊天區的各位回覆我的疑問 真的覺得 Conference 處處有溫暖 - end

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