前言 .......................................................................................... xvii
第1 章 Actor 模型 ........................................................................1
現實是最終一緻的 .................................................................................................1
解構Actor 模型 .....................................................................................................3
所有的計算都在一個actor 中執行 .........................................................................4
actor 之間隻能通過消息進行通信 .........................................................................5
actor 可以創建子actor ...........................................................................................6
actor 可以改變自己的狀態或行為 .........................................................................8
一切都是actor .......................................................................................................9
Actor 模型的使用 .................................................................................................10
定義清晰的邊界 ................................................................................................... 11
何時適閤使用Actor 模型 ....................................................................................13
結論 .....................................................................................................................13
第2 章 Akka 簡介 .......................................................................15
Akka 是什麼......................................................................................................... 15
Akka 是開源的 .............................................................................................. 15
Akka 正在蓬勃發展 .......................................................................................16
Akka 是為分布式設計的 ...............................................................................16
Akka 組件 ............................................................................................................17
Akka actor .....................................................................................................17
子actor .......................................................................................................... 18
remoting ：不同JVM 上的actor ....................................................................20
clustering ：集群成員的自動化管理 ..............................................................20
Akka HTTP ...................................................................................................24
TestKit ........................................................................................................... 25
contrib ........................................................................................................... 25
Akka OSGi ................................................................................................... 25
Akka HTTP ...................................................................................................26
Akka Streams ................................................................................................26
Akka 實現的Actor 模型 ......................................................................................26
Actor 模型中的Akka actor ..................................................................................26
消息傳遞 .......................................................................................................27
actor 係統 ...................................................................................................... 28
Akka Typed 項目 .................................................................................................. 28
結論 ....................................................................................................................29
第3 章 分布式領域驅動設計 ........................................................31
DDD 概述 ............................................................................................................31
DDD 的好處 .........................................................................................................32
DDD 組件 ............................................................................................................33
域實體 ..................................................................................................................34
域值對象 .............................................................................................................34
聚閤與聚閤根 ..................................................................................................... 35
倉儲 .....................................................................................................................37
工廠和對象創建 ................................................................................................... 38
域服務 .................................................................................................................. 38
有界上下文 ..........................................................................................................39
結論 ....................................................................................................................41
第4 章 優秀的Actor 設計 ...........................................................43
大係統小做 ..........................................................................................................43
封裝actor 中的狀態 ............................................................................................44
使用字段封裝狀態 .......................................................................................44
使用“狀態”容器封裝狀態 ........................................................................47
使用become 封裝狀態 ................................................................................. 48
將futures 與actors 混閤 ............................................................................... 50
Ask 模式和替代方案 ............................................................................................ 54
Ask 模式的問題 ........................................................................................... 55
附帶的復雜性 ................................................................................................ 57
Ask 的替代方案 ........................................................................................... 57
命令與事件 .......................................................................................................... 59
構造函數的依賴注入 ....................................................................................61
使用路徑查找actor ......................................................................................61
結論 ....................................................................................................................62
第5 章 數據流 ............................................................................63
吞吐量與延遲 ......................................................................................................63
流 .........................................................................................................................64
路由器 ..................................................................................................................66
郵箱 ..................................................................................................................... 68
無界郵箱 ...................................................................................................... 68
有界郵箱 ......................................................................................................69
拉取的工作模式 ..................................................................................................70
背壓 .....................................................................................................................73
ack .................................................................................................................73
高水位標記 ...................................................................................................73
隊列長度監控 ................................................................................................74
速率監控 ......................................................................................................74
Akka 數據流.........................................................................................................74
源 .................................................................................................................. 75
匯 ..................................................................................................................77
RunnableGraph ............................................................................................. 78
流 ..................................................................................................................79
交叉點 ........................................................................................................... 80
Akka 流中的背壓 ......................................................................................... 81
Akka 流的使用 ............................................................................................. 82
結論 .................................................................................................................... 84
第6 章 一緻性和可擴展性 ...........................................................85
事務和一緻性 ...................................................................................................... 85
強一緻性與最終一緻性 ....................................................................................... 86
並發性與並行性 ................................................................................................... 86
為什麼全局一緻的分布式狀態影響可擴展性 ...................................................... 86
位置透明性 ......................................................................................................... 87
交付保證 ............................................................................................................. 87
最多投遞一次 ................................................................................................ 87
最少投遞一次 ................................................................................................ 88
恰好一次交付是不可能的（但可以近似做到） .............................................91
如何近似做到恰好一次交付 .........................................................................91
集群單例 .......................................................................................................92
可擴展性 ..............................................................................................................94
避免全局狀態 ............................................................................................... 98
避免共享狀態 ............................................................................................... 98
遵循Actor 模型 .............................................................................................99
避免順序操作 ...............................................................................................99
隔離阻塞型操作 ...........................................................................................99
監控和調優 ..................................................................................................99
集群分片和一緻性 ...............................................................................................99
分片 ............................................................................................................. 100
Akka 中的分片 ........................................................................................... 101
分片鍵的生成 ............................................................................................. 102
分片的分布 ................................................................................................ 103
一緻性邊界 ................................................................................................. 103
可擴展性邊界 ............................................................................................. 104
分片聚閤根 ................................................................................................ 105
持久化 ......................................................................................................... 106
鈍化 ............................................................................................................. 106
使用集群分片保證一緻性 ........................................................................... 107
結論 .................................................................................................................. 109
第7 章 容錯 .............................................................................111
故障類型 ........................................................................................................... 112
異常 ............................................................................................................ 112
JVM 中的緻命錯誤 .................................................................................... 113
外部服務故障 ............................................................................................. 113
不符閤服務等級協議 .................................................................................. 113
操作係統和硬件級故障 .............................................................................. 114
故障隔離 ........................................................................................................... 114
艙壁模式 .................................................................................................... 114
優雅降級 ..................................................................................................... 117
使用Akka 集群隔離故障 ............................................................................ 119
使用熔斷器控製故障 ................................................................................... 119
故障處理 ............................................................................................................ 122
異常處理 ..................................................................................................... 123
外部服務的故障處理 .................................................................................. 128
結論 ................................................................................................................... 131
第8 章 可用性 ..........................................................................133
微服務和單體式應用 ........................................................................................ 133
用有界上下文劃分微服務 ................................................................................. 134
細粒度的微服務 ................................................................................................. 135
集群感知路由器 ................................................................................................. 135
分布式數據 ....................................................................................................... 137
優雅降級 ............................................................................................................ 140
部署 ................................................................................................................... 141
分階段部署/ 滾動重啓 ..................................................................................... 142
藍/ 綠部署 ........................................................................................................ 142
崩潰恢復/ 運維監測 ......................................................................................... 143
健康檢查和應用狀態頁麵 .......................................................................... 143
度量 ............................................................................................................ 145
日誌 ............................................................................................................. 146
看門狗工具 ................................................................................................. 146
結論 .................................................................................................................. 147
第9 章 性能 ...........................................................................149
隔離瓶頸 ........................................................................................................... 150
優化Akka ......................................................................................................... 150
減少或隔離阻塞型操作 .............................................................................. 150
縮短消息處理時間 ...................................................................................... 151
增加處理消息的actor ................................................................................ 151
派發器 ................................................................................................................ 151
標準派發器 ................................................................................................. 151
固定派發器 ................................................................................................. 153
平衡派發器 ................................................................................................ 154
calling-thread 派發器 .................................................................................. 154
何時使用單獨的派發器 .............................................................................. 155
提高並行性 ................................................................................................ 157
結論 .................................................................................................................. 158
後記 ..........................................................................................159
參考文獻 ...................................................................................161
關於作者 ...................................................................................162
封麵介紹 ...................................................................................163
· · · · · · (收起)
第1 章 Actor 模型 ........................................................................1
現實是最終一緻的 .................................................................................................1
解構Actor 模型 .....................................................................................................3
所有的計算都在一個actor 中執行 .........................................................................4
actor 之間隻能通過消息進行通信 .........................................................................5
actor 可以創建子actor ...........................................................................................6
actor 可以改變自己的狀態或行為 .........................................................................8
一切都是actor .......................................................................................................9
Actor 模型的使用 .................................................................................................10
定義清晰的邊界 ................................................................................................... 11
何時適閤使用Actor 模型 ....................................................................................13
結論 .....................................................................................................................13
第2 章 Akka 簡介 .......................................................................15
Akka 是什麼......................................................................................................... 15
Akka 是開源的 .............................................................................................. 15
Akka 正在蓬勃發展 .......................................................................................16
Akka 是為分布式設計的 ...............................................................................16
Akka 組件 ............................................................................................................17
Akka actor .....................................................................................................17
子actor .......................................................................................................... 18
remoting ：不同JVM 上的actor ....................................................................20
clustering ：集群成員的自動化管理 ..............................................................20
Akka HTTP ...................................................................................................24
TestKit ........................................................................................................... 25
contrib ........................................................................................................... 25
Akka OSGi ................................................................................................... 25
Akka HTTP ...................................................................................................26
Akka Streams ................................................................................................26
Akka 實現的Actor 模型 ......................................................................................26
Actor 模型中的Akka actor ..................................................................................26
消息傳遞 .......................................................................................................27
actor 係統 ...................................................................................................... 28
Akka Typed 項目 .................................................................................................. 28
結論 ....................................................................................................................29
第3 章 分布式領域驅動設計 ........................................................31
DDD 概述 ............................................................................................................31
DDD 的好處 .........................................................................................................32
DDD 組件 ............................................................................................................33
域實體 ..................................................................................................................34
域值對象 .............................................................................................................34
聚閤與聚閤根 ..................................................................................................... 35
倉儲 .....................................................................................................................37
工廠和對象創建 ................................................................................................... 38
域服務 .................................................................................................................. 38
有界上下文 ..........................................................................................................39
結論 ....................................................................................................................41
第4 章 優秀的Actor 設計 ...........................................................43
大係統小做 ..........................................................................................................43
封裝actor 中的狀態 ............................................................................................44
使用字段封裝狀態 .......................................................................................44
使用“狀態”容器封裝狀態 ........................................................................47
使用become 封裝狀態 ................................................................................. 48
將futures 與actors 混閤 ............................................................................... 50
Ask 模式和替代方案 ............................................................................................ 54
Ask 模式的問題 ........................................................................................... 55
附帶的復雜性 ................................................................................................ 57
Ask 的替代方案 ........................................................................................... 57
命令與事件 .......................................................................................................... 59
構造函數的依賴注入 ....................................................................................61
使用路徑查找actor ......................................................................................61
結論 ....................................................................................................................62
第5 章 數據流 ............................................................................63
吞吐量與延遲 ......................................................................................................63
流 .........................................................................................................................64
路由器 ..................................................................................................................66
郵箱 ..................................................................................................................... 68
無界郵箱 ...................................................................................................... 68
有界郵箱 ......................................................................................................69
拉取的工作模式 ..................................................................................................70
背壓 .....................................................................................................................73
ack .................................................................................................................73
高水位標記 ...................................................................................................73
隊列長度監控 ................................................................................................74
速率監控 ......................................................................................................74
Akka 數據流.........................................................................................................74
源 .................................................................................................................. 75
匯 ..................................................................................................................77
RunnableGraph ............................................................................................. 78
流 ..................................................................................................................79
交叉點 ........................................................................................................... 80
Akka 流中的背壓 ......................................................................................... 81
Akka 流的使用 ............................................................................................. 82
結論 .................................................................................................................... 84
第6 章 一緻性和可擴展性 ...........................................................85
事務和一緻性 ...................................................................................................... 85
強一緻性與最終一緻性 ....................................................................................... 86
並發性與並行性 ................................................................................................... 86
為什麼全局一緻的分布式狀態影響可擴展性 ...................................................... 86
位置透明性 ......................................................................................................... 87
交付保證 ............................................................................................................. 87
最多投遞一次 ................................................................................................ 87
最少投遞一次 ................................................................................................ 88
恰好一次交付是不可能的（但可以近似做到） .............................................91
如何近似做到恰好一次交付 .........................................................................91
集群單例 .......................................................................................................92
可擴展性 ..............................................................................................................94
避免全局狀態 ............................................................................................... 98
避免共享狀態 ............................................................................................... 98
遵循Actor 模型 .............................................................................................99
避免順序操作 ...............................................................................................99
隔離阻塞型操作 ...........................................................................................99
監控和調優 ..................................................................................................99
集群分片和一緻性 ...............................................................................................99
分片 ............................................................................................................. 100
Akka 中的分片 ........................................................................................... 101
分片鍵的生成 ............................................................................................. 102
分片的分布 ................................................................................................ 103
一緻性邊界 ................................................................................................. 103
可擴展性邊界 ............................................................................................. 104
分片聚閤根 ................................................................................................ 105
持久化 ......................................................................................................... 106
鈍化 ............................................................................................................. 106
使用集群分片保證一緻性 ........................................................................... 107
結論 .................................................................................................................. 109
第7 章 容錯 .............................................................................111
故障類型 ........................................................................................................... 112
異常 ............................................................................................................ 112
JVM 中的緻命錯誤 .................................................................................... 113
外部服務故障 ............................................................................................. 113
不符閤服務等級協議 .................................................................................. 113
操作係統和硬件級故障 .............................................................................. 114
故障隔離 ........................................................................................................... 114
艙壁模式 .................................................................................................... 114
優雅降級 ..................................................................................................... 117
使用Akka 集群隔離故障 ............................................................................ 119
使用熔斷器控製故障 ................................................................................... 119
故障處理 ............................................................................................................ 122
異常處理 ..................................................................................................... 123
外部服務的故障處理 .................................................................................. 128
結論 ................................................................................................................... 131
第8 章 可用性 ..........................................................................133
微服務和單體式應用 ........................................................................................ 133
用有界上下文劃分微服務 ................................................................................. 134
細粒度的微服務 ................................................................................................. 135
集群感知路由器 ................................................................................................. 135
分布式數據 ....................................................................................................... 137
優雅降級 ............................................................................................................ 140
部署 ................................................................................................................... 141
分階段部署/ 滾動重啓 ..................................................................................... 142
藍/ 綠部署 ........................................................................................................ 142
崩潰恢復/ 運維監測 ......................................................................................... 143
健康檢查和應用狀態頁麵 .......................................................................... 143
度量 ............................................................................................................ 145
日誌 ............................................................................................................. 146
看門狗工具 ................................................................................................. 146
結論 .................................................................................................................. 147
第9 章 性能 ...........................................................................149
隔離瓶頸 ........................................................................................................... 150
優化Akka ......................................................................................................... 150
減少或隔離阻塞型操作 .............................................................................. 150
縮短消息處理時間 ...................................................................................... 151
增加處理消息的actor ................................................................................ 151
派發器 ................................................................................................................ 151
標準派發器 ................................................................................................. 151
固定派發器 ................................................................................................. 153
平衡派發器 ................................................................................................ 154
calling-thread 派發器 .................................................................................. 154
何時使用單獨的派發器 .............................................................................. 155
提高並行性 ................................................................................................ 157
結論 .................................................................................................................. 158
後記 ..........................................................................................159
參考文獻 ...................................................................................161
關於作者 ...................................................................................162
封麵介紹 ...................................................................................163
· · · · · · (收起)
具體描述
對於想要學習Akka的Java 和 Scala 開發者們，有很多技術資源可供參考，但是如要想知道如何去應用這些技術就需要不同的思維方式瞭。為瞭幫助你正確地使用Akka，《Akka應用模式：分布式應用程序設計實踐指南》這本實用的實踐指南提供瞭若乾高級的設計模式，還包括瞭如何以及何時應用那些模式去解決在大型分布式係統中遇到的實際問題的一些案例。
用戶評價
評分
##《分布式應用程序設計實踐指南》，名副其實。 至於《akka 應用模式》，隻是簡單例子。 --- 即使不關心 akka，也值得一讀。
評分##概念還是很不錯的，DDDD……內容略少，很多地方沒展開
評分##第五章講流和第六章講一緻性的內容不錯，到瞭最後一章有趕時間草草收尾之嫌
評分##概念還是很不錯的，DDDD……內容略少，很多地方沒展開
評分##很薄的小冊子，比較基礎，會有一些以前沒注意到的點，更多的還要實踐操作
評分##Day 53 實在寫的非常亂，講Akka和Actor都跳來跳去，標題為DDDD的一章，實際都在講DDD… #百日早起學習挑戰
評分##Day 53 實在寫的非常亂，講Akka和Actor都跳來跳去，標題為DDDD的一章，實際都在講DDD… #百日早起學習挑戰
評分##《分布式應用程序設計實踐指南》，名副其實。 至於《akka 應用模式》，隻是簡單例子。 --- 即使不關心 akka，也值得一讀。
評分100多麵篇幅，有理念有實踐有體係地講瞭分布式應用程序設計主題，真是非常難得。第一章的『異步世界觀』形象又高屋建瓴的講解讓我眼前一亮虎軀一振！
相關圖書
本站所有内容均为互联网搜索引擎提供的公开搜索信息，本站不存储任何数据与内容，任何内容与数据均与本站无关，如有需要请联系相关搜索引擎包括但不限于百度，google,bing,sogou 等
© 2025 book.tinynews.org All Rights Reserved. 静思书屋 版权所有