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简介
Spark内核设计的艺术: 架构设计与实现 豆 5.0分
资源最后更新于 2020-11-26 07:31:14
作者：耿嘉安
出版社：机械工业出版社
出版日期：2018-01
ISBN：9787111584391
文件格式： pdf
标签： Spark 大数据 分布式 spark 计算机 软件工程 Scala
简介· · · · · ·
多位专家联袂推荐，360大数据专家撰写，基于Spark 2.1.0剖析架构与实现精髓。细化到方法级，提炼出多个流程图，立体呈现架构、环境、调度、存储、计算、部署、API七大核心设计。本书一共有10章内容，主要包括以下部分。
准备部分（第1～2章）：简单介绍了Spark的环境搭建和基本原理。本部分通过详尽的描述，有效降低了读者进入Spark世界的门槛，同时能对Spark背景知识及整体设计有宏观的认识。
基础部分（第3～5章）：介绍Spark的基础设施（包括配置、RPC、度量等）、SparkContext的初始化、Spark执行所需要的环境等内容。经过此部分的学习，将能够对RPC框架的设计、执行环境的功能有深入的理解，这也是对核心内容了解的前提。
核心部分（第6～9章）：为Spark最核心的部分，包括存储体系、调度系统、计算引擎、部署模式等。通过本部分的...
目录
目录 Contents
本书赞誉
前言
第1章 环境准备 ········································1
1.1 运行环境准备 ···········································2
1.1.1 安装JDK ·········································2
1.1.2 安装Scala ········································2
1.1.3 安装Spark ·······································3
1.2 Spark初体验 ···································4
1.2.1 运行spark-shell ·······························4
1.2.2 执行word count ······························5
1.2.3 剖析spark-shell ·······························9
1.3 阅读环境准备 ·········································14
1.3.1 安装SBT ·······································15
1.3.2 安装Git ·········································15
1.3.3 安装Eclipse Scala IDE插件 ········15
1.4 Spark源码编译与调试 ·························17
1.5 小结 ···························23
第2章 设计理念与基本架构 ···············24
2.1 初识Spark ··································25
2.1.1 Hadoop MRv1的局限···················25
2.1.2 Spark的特点 ·································26
2.1.3 Spark使用场景 ·····························28
2.2 Spark基础知识 ······································29
2.3 Spark基本设计思想 ·····························31
2.3.1 Spark模块设计 ·····························32
2.3.2 Spark模型设计 ·····························34
2.4 Spark基本架构 ···································36
2.5 小结 ·································38
第3章 Spark基础设施 ·························39
3.1 Spark配置 ········································40
3.1.1 系统属性中的配置 ·······················40
3.1.2 使用SparkConf配置的API ·········41
3.1.3 克隆SparkConf配置 ····················42
3.2 Spark内置RPC框架 ····························42
3.2.1 RPC配置TransportConf ··············45
3.2.2 RPC客户端工厂Transport- ClientFactory ·······················47
3.2.3 RPC服务端TransportServer ········53
3.2.4 管道初始化 ···································56
3.2.5 TransportChannelHandler详解 ·····57
3.2.6 服务端RpcHandler详解 ··············63
3.2.7 服务端引导程序Transport-ServerBootstrap ·····················68
3.2.8 客户端TransportClient详解 ········71
3.3 事件总线 ····································78
3.3.1 ListenerBus的继承体系 ···············79
3.3.2 SparkListenerBus详解 ··················80
3.3.3 LiveListenerBus详解 ····················83
3.4 度量系统 ···········································87
3.4.1 Source继承体系 ···························87
3.4.2 Sink继承体系 ·······························89
3.5 小结 ·········································92
第4章 SparkContext的初始化 ·········93
4.1 SparkContext概述 ·································94
4.2 创建Spark环境 ·····································97
4.3 SparkUI的实现 ····································100
4.3.1 SparkUI概述 ·······························100
4.3.2 WebUI框架体系 ·························102
4.3.3 创建SparkUI ·······························107
4.4 创建心跳接收器 ··································111
4.5 创建和启动调度系统··························112
4.6 初始化块管理器BlockManager ·······114
4.7 启动度量系统 ·······························114
4.8 创建事件日志监听器··························115
4.9 创建和启动ExecutorAllocation-Manager ··························116
4.10 ContextCleaner的创建与启动 ········120
4.10.1 创建ContextCleaner ·················120
4.10.2 启动ContextCleaner ·················120
4.11 额外的SparkListener与启动事件总线 ··························122
4.12 Spark环境更新 ··································123
4.13 SparkContext初始化的收尾 ···········127
4.14 SparkContext提供的常用方法 ·······128
4.15 SparkContext的伴生对象················130
4.16 小结 ····································131
第5章 Spark执行环境 ························132
5.1 SparkEnv概述 ·································133
5.2 安全管理器SecurityManager ············133
5.3 RPC环境 ·········································135
5.3.1 RPC端点RpcEndpoint ···············136
5.3.2 RPC端点引用RpcEndpointRef ···139
5.3.3 创建传输上下文TransportConf ···142
5.3.4 消息调度器Dispatcher ···············142
5.3.5 创建传输上下文Transport-Context ·························154
5.3.6 创建传输客户端工厂Transport-ClientFactory ····················159
5.3.7 创建TransportServer ···················160
5.3.8 客户端请求发送 ·························162
5.3.9 NettyRpcEnv中的常用方法 ·······173
5.4 序列化管理器SerializerManager ·····175
5.5 广播管理器BroadcastManager ·········178
5.6 map任务输出跟踪器 ··························185
5.6.1 MapOutputTracker的实现 ··········187
5.6.2 MapOutputTrackerMaster的实现原理 ·······················191
5.7 构建存储体系 ·······································199
5.8 创建度量系统 ·······································201
5.8.1 MetricsCon?g详解 ·····················203
5.8.2 MetricsSystem中的常用方法 ····207
5.8.3 启动MetricsSystem ····················209
5.9 输出提交协调器 ··································211
5.9.1 OutputCommitCoordinator-Endpoint的实现 ··················211
5.9.2 OutputCommitCoordinator的实现 ··························212
5.9.3 OutputCommitCoordinator的工作原理 ························216
5.10 创建SparkEnv ····································217
5.11 小结 ·····································217
第6章 存储体系 ·····································219
6.1 存储体系概述 ·······································220
6.1.1 存储体系架构 ·····························220
6.1.2 基本概念 ·····································222
6.2 Block信息管理器 ································227
6.2.1 Block锁的基本概念 ···················227
6.2.2 Block锁的实现 ···························229
6.3 磁盘Block管理器 ······························234
6.3.1 本地目录结构 ·····························234
6.3.2 DiskBlockManager提供的方法 ···························236
6.4 磁盘存储DiskStore ·····························239
6.5 内存管理器 ·····································242
6.5.1 内存池模型 ·································243
6.5.2 StorageMemoryPool详解 ···········244
6.5.3 MemoryManager模型 ················247
6.5.4 Uni?edMemoryManager详解 ····250
6.6 内存存储MemoryStore ······················252
6.6.1 MemoryStore的内存模型 ··········253
6.6.2 MemoryStore提供的方法 ··········255
6.7 块管理器BlockManager ····················265
6.7.1 BlockManager的初始化 ·············265
6.7.2 BlockManager提供的方法 ·········266
6.8 BlockManagerMaster对Block-Manager的管理 ·················285
6.8.1 BlockManagerMaster的职责 ······285
6.8.2 BlockManagerMasterEndpoint详解 ·································286
6.8.3 BlockManagerSlaveEndpoint详解 ·····························289
6.9 Block传输服务 ····································290
6.9.1 初始化NettyBlockTransfer-Service ···························291
6.9.2 NettyBlockRpcServer详解 ·········292
6.9.3 Shuf?e客户端 ·····························296
6.10 DiskBlockObjectWriter详解 ···········305
6.11 小结 ·······································308
第7章 调度系统 ·····································309
7.1 调度系统概述 ·······································310
7.2 RDD详解 ·····································312
7.2.1 为什么需要RDD ························312
7.2.2 RDD实现的初次分析 ················313
7.2.3 RDD依赖 ····································316
7.2.4 分区计算器Partitioner················318
7.2.5 RDDInfo ······································320
7.3 Stage详解 ········································321
7.3.1 ResultStage的实现 ·····················322
7.3.2 Shuf?eMapStage的实现 ·············323
7.3.3 StageInfo ······································324
7.4 面向DAG的调度器DAGScheduler ···326
7.4.1 JobListener与JobWaiter ·············326
7.4.2 ActiveJob详解 ····························328
7.4.3 DAGSchedulerEventProcessLoop的简要介绍 ·······················328
7.4.4 DAGScheduler的组成 ················329
7.4.5 DAGScheduler提供的常用方法 ···330
7.4.6 DAGScheduler与Job的提交 ····334
7.4.7 构建Stage····································337
7.4.8 提交ResultStage ························341
7.4.9 提交还未计算的Task ·················343
7.4.10 DAGScheduler的调度流程 ······347
7.4.11 Task执行结果的处理 ··············348
7.5 调度池Pool ······································351
7.5.1 调度算法 ·······························352
7.5.2 Pool的实现 ·································354
7.5.3 调度池构建器 ·····························357
7.6 任务集合管理器TaskSetManager ···363
7.6.1 Task集合 ·····································363
7.6.2 TaskSetManager的成员属性 ······364
7.6.3 调度池与推断执行 ·····················366
7.6.4 Task本地性 ·································370
7.6.5 TaskSetManager的常用方法 ······373
7.7 运行器后端接口LauncherBackend ···383
7.7.1 BackendConnection的实现 ········384
7.7.2 LauncherBackend的实现 ···········386
7.8 调度后端接口SchedulerBackend ····389
7.8.1 SchedulerBackend的定义 ··········389
7.8.2 LocalSchedulerBackend的实现分析 ································390
7.9 任务结果获取器TaskResultGetter ···394
7.9.1 处理成功的Task ·························394
7.9.2 处理失败的Task ·························396
7.10 任务调度器TaskScheduler ··············397
7.10.1 TaskSchedulerImpl的属性 ·····397
7.10.2 TaskSchedulerImpl的初始化 ···399
7.10.3 TaskSchedulerImpl的启动 ·····399
7.10.4 TaskSchedulerImpl与Task的提交 ·······················400
7.10.5 TaskSchedulerImpl与资源分配 ···························402
7.10.6 TaskSchedulerImpl的调度流程 ······························405
7.10.7 TaskSchedulerImpl对执行结果的处理 ·····························406
7.10.8 TaskSchedulerImpl的常用方法 ···409
7.11 小结 ·······································412
第8章 计算引擎 ·····································413
8.1 计算引擎概述 ·······································414
8.2 内存管理器与执行内存 ·····················417
8.2.1 ExecutionMemoryPool详解 ·······417
8.2.2 MemoryManager模型与执行内存 ··························420
8.2.3 Uni?edMemoryManager与执行内存 ·······················421
8.3 内存管理器与Tungsten ·····················423
8.3.1 MemoryBlock详解 ·····················423
8.3.2 MemoryManager模型与Tungsten ···························425
8.3.3 Tungsten的内存分配器 ··············425
8.4 任务内存管理器 ··································431
8.4.1 TaskMemoryManager详解 ·········431
8.4.2 内存消费者 ·······················439
8.4.3 执行内存整体架构 ·····················441
8.5 Task详解 ······································443
8.5.1 任务上下文TaskContext ············443
8.5.2 Task的定义 ·································446
8.5.3 Shuf?eMapTask的实现 ··············449
8.5.4 ResultTask的实现 ·······················450
8.6 IndexShuf?eBlockResolver详解 ······451
8.7 采样与估算 ···········································455
8.7.1 SizeTracker的实现分析 ·············455
8.7.2 SizeTracker的工作原理 ·············457
8.8 特质WritablePartitionedPair- Collection ······················458
8.9 AppendOnlyMap的实现分析 ···········460
8.9.1 AppendOnlyMap的容量增长 ····461
8.9.2 AppendOnlyMap的数据更新 ····462
8.9.3 AppendOnlyMap的缓存聚合算法 ·····························464
8.9.4 AppendOnlyMap的内置排序 ····466
8.9.5 AppendOnlyMap的扩展 ············467
8.10 PartitionedPairBuffer的实现分析 ···469
8.10.1 PartitionedPairBuffer的容量增长 ······················469
8.10.2 PartitionedPairBuffer的插入 ···470
8.10.3 PartitionedPairBuffer的迭代器 ···471
8.11 外部排序器 ·········································472
8.11.1 ExternalSorter详解 ·················473
8.11.2 Shuf?eExternalSorter详解 ······487
8.12 Shuf?e管理器 ····································490
8.12.1 Shuf?eWriter详解 ··················491
8.12.2 Shuf?eBlockFetcherIterator详解 ······························502
8.12.3 BlockStoreShuf?eReader详解 ···510
8.12.4 SortShuf?eManager详解 ········513
8.13 map端与reduce端的Shuf?e组合 ······························516
8.14 小结 ·········································519
第9章 部署模式 ········································520
9.1 心跳接收器HeartbeatReceiver ·········521
9.2 Executor的实现分析 ··························527
9.2.1 Executor的心跳报告 ··················528
9.2.2 运行Task ·····································530
9.3 local部署模式 ······································535
9.4 持久化引擎PersistenceEngine ··········537
9.4.1 基于文件系统的持久化引擎 ·····539
9.4.2 基于ZooKeeper的持久化引擎 ···541
9.5 领导选举代理 ·······································542
9.6 Master详解 ···········································546
9.6.1 启动Master ·································549
9.6.2 检查Worker超时························553
9.6.3 被选举为领导时的处理 ·············554
9.6.4 一级资源调度 ·····························558
9.6.5 注册Worker·································568
9.6.6 更新Worker的最新状态············570
9.6.7 处理Worker的心跳····················570
9.6.8 注册Application··························571
9.6.9 处理Executor的申请 ·················573
9.6.10 处理Executor的状态变化 ·······573
9.6.11 Master的常用方法 ···················574
9.7 Worker详解 ································578
9.7.1 启动Worker·································581
9.7.2 向Master注册Worker ···············584
9.7.3 向Master发送心跳 ····················589
9.7.4 Worker与领导选举·····················591
9.7.5 运行Driver ··································593
9.7.6 运行Executor ······························594
9.7.7 处理Executor的状态变化 ·········599
9.8 StandaloneAppClient实现 ·················600
9.8.1 ClientEndpoint的实现分析 ········601
9.8.2 StandaloneAppClient的实现分析 ······························606
9.9 StandaloneSchedulerBackend的实现分析 ························607
9.9.1 StandaloneSchedulerBackend的属性 ····························607
9.9.2 DriverEndpoint的实现分析 ·······609
9.9.3 StandaloneSchedulerBackend的启动 ··························614
9.9.4 StandaloneSchedulerBackend的停止 ·························617
9.9.5 StandaloneSchedulerBackend与资源分配 ················618
9.10 CoarseGrainedExecutorBackend详解 ····························619
9.10.1 CoarseGrainedExecutorBackend进程 ··························620
9.10.2 CoarseGrainedExecutorBackend的功能分析 ·························622
9.11 local-cluster部署模式 ·······················625
9.11.1 启动本地集群 ····························625
9.11.2 local-cluster部署模式的启动过程 ·································627
9.11.3 local-cluster部署模式下Executor的分配过程 ·················628
9.11.4 local-cluster部署模式下的任务提交执行过程 ····························629
9.12 Standalone部署模式 ·························631
9.12.1 Standalone部署模式的启动过程 ························632
9.12.2 Standalone部署模式下Executor的分配过程 ················634
9.12.3 Standalone部署模式的资源回收 ·····························635
9.12.4 Standalone部署模式的容错机制 ······························636
9.13 其他部署方案 ·····································639
9.13.1 YARN·········································639
9.13.2 Mesos ·········································644
9.14 小结 ·······································646
第10章 Spark API ································647
10.1 基本概念·····································648
10.2 数据源DataSource ····························650
10.2.1 DataSourceRegister详解 ··········650
10.2.2 DataSource详解 ························651
10.3 检查点的实现 ···································655
10.3.1 CheckpointRDD的实现············655
10.3.2 RDDCheckpointData的实现 ····660
10.3.3 ReliableRDDCheckpointData的实现 ························662
10.4 RDD的再次分析 ·······························663
10.4.1 转换API ····································663
10.4.2 动作API ····································665
10.4.3 检查点API的实现分析 ···········667
10.4.4 迭代计算 ···································669
10.5 数据集合Dataset ·······························671
10.6 DataFrameReader详解 ·····················673
10.7 SparkSession详解 ·····························676
10.7.1 SparkSession的构建器Builder ···676
10.7.2 SparkSession的API ·················679
10.8 word count例子 ·································679
10.8.1 Job准备阶段 ·····························680
10.8.2 Job的提交与调度 ·····················685
10.9 小结 ········································689
附录 ···········································690
本书赞誉
前言
第1章 环境准备 ········································1
1.1 运行环境准备 ···········································2
1.1.1 安装JDK ·········································2
1.1.2 安装Scala ········································2
1.1.3 安装Spark ·······································3
1.2 Spark初体验 ···································4
1.2.1 运行spark-shell ·······························4
1.2.2 执行word count ······························5
1.2.3 剖析spark-shell ·······························9
1.3 阅读环境准备 ·········································14
1.3.1 安装SBT ·······································15
1.3.2 安装Git ·········································15
1.3.3 安装Eclipse Scala IDE插件 ········15
1.4 Spark源码编译与调试 ·························17
1.5 小结 ···························23
第2章 设计理念与基本架构 ···············24
2.1 初识Spark ··································25
2.1.1 Hadoop MRv1的局限···················25
2.1.2 Spark的特点 ·································26
2.1.3 Spark使用场景 ·····························28
2.2 Spark基础知识 ······································29
2.3 Spark基本设计思想 ·····························31
2.3.1 Spark模块设计 ·····························32
2.3.2 Spark模型设计 ·····························34
2.4 Spark基本架构 ···································36
2.5 小结 ·································38
第3章 Spark基础设施 ·························39
3.1 Spark配置 ········································40
3.1.1 系统属性中的配置 ·······················40
3.1.2 使用SparkConf配置的API ·········41
3.1.3 克隆SparkConf配置 ····················42
3.2 Spark内置RPC框架 ····························42
3.2.1 RPC配置TransportConf ··············45
3.2.2 RPC客户端工厂Transport- ClientFactory ·······················47
3.2.3 RPC服务端TransportServer ········53
3.2.4 管道初始化 ···································56
3.2.5 TransportChannelHandler详解 ·····57
3.2.6 服务端RpcHandler详解 ··············63
3.2.7 服务端引导程序Transport-ServerBootstrap ·····················68
3.2.8 客户端TransportClient详解 ········71
3.3 事件总线 ····································78
3.3.1 ListenerBus的继承体系 ···············79
3.3.2 SparkListenerBus详解 ··················80
3.3.3 LiveListenerBus详解 ····················83
3.4 度量系统 ···········································87
3.4.1 Source继承体系 ···························87
3.4.2 Sink继承体系 ·······························89
3.5 小结 ·········································92
第4章 SparkContext的初始化 ·········93
4.1 SparkContext概述 ·································94
4.2 创建Spark环境 ·····································97
4.3 SparkUI的实现 ····································100
4.3.1 SparkUI概述 ·······························100
4.3.2 WebUI框架体系 ·························102
4.3.3 创建SparkUI ·······························107
4.4 创建心跳接收器 ··································111
4.5 创建和启动调度系统··························112
4.6 初始化块管理器BlockManager ·······114
4.7 启动度量系统 ·······························114
4.8 创建事件日志监听器··························115
4.9 创建和启动ExecutorAllocation-Manager ··························116
4.10 ContextCleaner的创建与启动 ········120
4.10.1 创建ContextCleaner ·················120
4.10.2 启动ContextCleaner ·················120
4.11 额外的SparkListener与启动事件总线 ··························122
4.12 Spark环境更新 ··································123
4.13 SparkContext初始化的收尾 ···········127
4.14 SparkContext提供的常用方法 ·······128
4.15 SparkContext的伴生对象················130
4.16 小结 ····································131
第5章 Spark执行环境 ························132
5.1 SparkEnv概述 ·································133
5.2 安全管理器SecurityManager ············133
5.3 RPC环境 ·········································135
5.3.1 RPC端点RpcEndpoint ···············136
5.3.2 RPC端点引用RpcEndpointRef ···139
5.3.3 创建传输上下文TransportConf ···142
5.3.4 消息调度器Dispatcher ···············142
5.3.5 创建传输上下文Transport-Context ·························154
5.3.6 创建传输客户端工厂Transport-ClientFactory ····················159
5.3.7 创建TransportServer ···················160
5.3.8 客户端请求发送 ·························162
5.3.9 NettyRpcEnv中的常用方法 ·······173
5.4 序列化管理器SerializerManager ·····175
5.5 广播管理器BroadcastManager ·········178
5.6 map任务输出跟踪器 ··························185
5.6.1 MapOutputTracker的实现 ··········187
5.6.2 MapOutputTrackerMaster的实现原理 ·······················191
5.7 构建存储体系 ·······································199
5.8 创建度量系统 ·······································201
5.8.1 MetricsCon?g详解 ·····················203
5.8.2 MetricsSystem中的常用方法 ····207
5.8.3 启动MetricsSystem ····················209
5.9 输出提交协调器 ··································211
5.9.1 OutputCommitCoordinator-Endpoint的实现 ··················211
5.9.2 OutputCommitCoordinator的实现 ··························212
5.9.3 OutputCommitCoordinator的工作原理 ························216
5.10 创建SparkEnv ····································217
5.11 小结 ·····································217
第6章 存储体系 ·····································219
6.1 存储体系概述 ·······································220
6.1.1 存储体系架构 ·····························220
6.1.2 基本概念 ·····································222
6.2 Block信息管理器 ································227
6.2.1 Block锁的基本概念 ···················227
6.2.2 Block锁的实现 ···························229
6.3 磁盘Block管理器 ······························234
6.3.1 本地目录结构 ·····························234
6.3.2 DiskBlockManager提供的方法 ···························236
6.4 磁盘存储DiskStore ·····························239
6.5 内存管理器 ·····································242
6.5.1 内存池模型 ·································243
6.5.2 StorageMemoryPool详解 ···········244
6.5.3 MemoryManager模型 ················247
6.5.4 Uni?edMemoryManager详解 ····250
6.6 内存存储MemoryStore ······················252
6.6.1 MemoryStore的内存模型 ··········253
6.6.2 MemoryStore提供的方法 ··········255
6.7 块管理器BlockManager ····················265
6.7.1 BlockManager的初始化 ·············265
6.7.2 BlockManager提供的方法 ·········266
6.8 BlockManagerMaster对Block-Manager的管理 ·················285
6.8.1 BlockManagerMaster的职责 ······285
6.8.2 BlockManagerMasterEndpoint详解 ·································286
6.8.3 BlockManagerSlaveEndpoint详解 ·····························289
6.9 Block传输服务 ····································290
6.9.1 初始化NettyBlockTransfer-Service ···························291
6.9.2 NettyBlockRpcServer详解 ·········292
6.9.3 Shuf?e客户端 ·····························296
6.10 DiskBlockObjectWriter详解 ···········305
6.11 小结 ·······································308
第7章 调度系统 ·····································309
7.1 调度系统概述 ·······································310
7.2 RDD详解 ·····································312
7.2.1 为什么需要RDD ························312
7.2.2 RDD实现的初次分析 ················313
7.2.3 RDD依赖 ····································316
7.2.4 分区计算器Partitioner················318
7.2.5 RDDInfo ······································320
7.3 Stage详解 ········································321
7.3.1 ResultStage的实现 ·····················322
7.3.2 Shuf?eMapStage的实现 ·············323
7.3.3 StageInfo ······································324
7.4 面向DAG的调度器DAGScheduler ···326
7.4.1 JobListener与JobWaiter ·············326
7.4.2 ActiveJob详解 ····························328
7.4.3 DAGSchedulerEventProcessLoop的简要介绍 ·······················328
7.4.4 DAGScheduler的组成 ················329
7.4.5 DAGScheduler提供的常用方法 ···330
7.4.6 DAGScheduler与Job的提交 ····334
7.4.7 构建Stage····································337
7.4.8 提交ResultStage ························341
7.4.9 提交还未计算的Task ·················343
7.4.10 DAGScheduler的调度流程 ······347
7.4.11 Task执行结果的处理 ··············348
7.5 调度池Pool ······································351
7.5.1 调度算法 ·······························352
7.5.2 Pool的实现 ·································354
7.5.3 调度池构建器 ·····························357
7.6 任务集合管理器TaskSetManager ···363
7.6.1 Task集合 ·····································363
7.6.2 TaskSetManager的成员属性 ······364
7.6.3 调度池与推断执行 ·····················366
7.6.4 Task本地性 ·································370
7.6.5 TaskSetManager的常用方法 ······373
7.7 运行器后端接口LauncherBackend ···383
7.7.1 BackendConnection的实现 ········384
7.7.2 LauncherBackend的实现 ···········386
7.8 调度后端接口SchedulerBackend ····389
7.8.1 SchedulerBackend的定义 ··········389
7.8.2 LocalSchedulerBackend的实现分析 ································390
7.9 任务结果获取器TaskResultGetter ···394
7.9.1 处理成功的Task ·························394
7.9.2 处理失败的Task ·························396
7.10 任务调度器TaskScheduler ··············397
7.10.1 TaskSchedulerImpl的属性 ·····397
7.10.2 TaskSchedulerImpl的初始化 ···399
7.10.3 TaskSchedulerImpl的启动 ·····399
7.10.4 TaskSchedulerImpl与Task的提交 ·······················400
7.10.5 TaskSchedulerImpl与资源分配 ···························402
7.10.6 TaskSchedulerImpl的调度流程 ······························405
7.10.7 TaskSchedulerImpl对执行结果的处理 ·····························406
7.10.8 TaskSchedulerImpl的常用方法 ···409
7.11 小结 ·······································412
第8章 计算引擎 ·····································413
8.1 计算引擎概述 ·······································414
8.2 内存管理器与执行内存 ·····················417
8.2.1 ExecutionMemoryPool详解 ·······417
8.2.2 MemoryManager模型与执行内存 ··························420
8.2.3 Uni?edMemoryManager与执行内存 ·······················421
8.3 内存管理器与Tungsten ·····················423
8.3.1 MemoryBlock详解 ·····················423
8.3.2 MemoryManager模型与Tungsten ···························425
8.3.3 Tungsten的内存分配器 ··············425
8.4 任务内存管理器 ··································431
8.4.1 TaskMemoryManager详解 ·········431
8.4.2 内存消费者 ·······················439
8.4.3 执行内存整体架构 ·····················441
8.5 Task详解 ······································443
8.5.1 任务上下文TaskContext ············443
8.5.2 Task的定义 ·································446
8.5.3 Shuf?eMapTask的实现 ··············449
8.5.4 ResultTask的实现 ·······················450
8.6 IndexShuf?eBlockResolver详解 ······451
8.7 采样与估算 ···········································455
8.7.1 SizeTracker的实现分析 ·············455
8.7.2 SizeTracker的工作原理 ·············457
8.8 特质WritablePartitionedPair- Collection ······················458
8.9 AppendOnlyMap的实现分析 ···········460
8.9.1 AppendOnlyMap的容量增长 ····461
8.9.2 AppendOnlyMap的数据更新 ····462
8.9.3 AppendOnlyMap的缓存聚合算法 ·····························464
8.9.4 AppendOnlyMap的内置排序 ····466
8.9.5 AppendOnlyMap的扩展 ············467
8.10 PartitionedPairBuffer的实现分析 ···469
8.10.1 PartitionedPairBuffer的容量增长 ······················469
8.10.2 PartitionedPairBuffer的插入 ···470
8.10.3 PartitionedPairBuffer的迭代器 ···471
8.11 外部排序器 ·········································472
8.11.1 ExternalSorter详解 ·················473
8.11.2 Shuf?eExternalSorter详解 ······487
8.12 Shuf?e管理器 ····································490
8.12.1 Shuf?eWriter详解 ··················491
8.12.2 Shuf?eBlockFetcherIterator详解 ······························502
8.12.3 BlockStoreShuf?eReader详解 ···510
8.12.4 SortShuf?eManager详解 ········513
8.13 map端与reduce端的Shuf?e组合 ······························516
8.14 小结 ·········································519
第9章 部署模式 ········································520
9.1 心跳接收器HeartbeatReceiver ·········521
9.2 Executor的实现分析 ··························527
9.2.1 Executor的心跳报告 ··················528
9.2.2 运行Task ·····································530
9.3 local部署模式 ······································535
9.4 持久化引擎PersistenceEngine ··········537
9.4.1 基于文件系统的持久化引擎 ·····539
9.4.2 基于ZooKeeper的持久化引擎 ···541
9.5 领导选举代理 ·······································542
9.6 Master详解 ···········································546
9.6.1 启动Master ·································549
9.6.2 检查Worker超时························553
9.6.3 被选举为领导时的处理 ·············554
9.6.4 一级资源调度 ·····························558
9.6.5 注册Worker·································568
9.6.6 更新Worker的最新状态············570
9.6.7 处理Worker的心跳····················570
9.6.8 注册Application··························571
9.6.9 处理Executor的申请 ·················573
9.6.10 处理Executor的状态变化 ·······573
9.6.11 Master的常用方法 ···················574
9.7 Worker详解 ································578
9.7.1 启动Worker·································581
9.7.2 向Master注册Worker ···············584
9.7.3 向Master发送心跳 ····················589
9.7.4 Worker与领导选举·····················591
9.7.5 运行Driver ··································593
9.7.6 运行Executor ······························594
9.7.7 处理Executor的状态变化 ·········599
9.8 StandaloneAppClient实现 ·················600
9.8.1 ClientEndpoint的实现分析 ········601
9.8.2 StandaloneAppClient的实现分析 ······························606
9.9 StandaloneSchedulerBackend的实现分析 ························607
9.9.1 StandaloneSchedulerBackend的属性 ····························607
9.9.2 DriverEndpoint的实现分析 ·······609
9.9.3 StandaloneSchedulerBackend的启动 ··························614
9.9.4 StandaloneSchedulerBackend的停止 ·························617
9.9.5 StandaloneSchedulerBackend与资源分配 ················618
9.10 CoarseGrainedExecutorBackend详解 ····························619
9.10.1 CoarseGrainedExecutorBackend进程 ··························620
9.10.2 CoarseGrainedExecutorBackend的功能分析 ·························622
9.11 local-cluster部署模式 ·······················625
9.11.1 启动本地集群 ····························625
9.11.2 local-cluster部署模式的启动过程 ·································627
9.11.3 local-cluster部署模式下Executor的分配过程 ·················628
9.11.4 local-cluster部署模式下的任务提交执行过程 ····························629
9.12 Standalone部署模式 ·························631
9.12.1 Standalone部署模式的启动过程 ························632
9.12.2 Standalone部署模式下Executor的分配过程 ················634
9.12.3 Standalone部署模式的资源回收 ·····························635
9.12.4 Standalone部署模式的容错机制 ······························636
9.13 其他部署方案 ·····································639
9.13.1 YARN·········································639
9.13.2 Mesos ·········································644
9.14 小结 ·······································646
第10章 Spark API ································647
10.1 基本概念·····································648
10.2 数据源DataSource ····························650
10.2.1 DataSourceRegister详解 ··········650
10.2.2 DataSource详解 ························651
10.3 检查点的实现 ···································655
10.3.1 CheckpointRDD的实现············655
10.3.2 RDDCheckpointData的实现 ····660
10.3.3 ReliableRDDCheckpointData的实现 ························662
10.4 RDD的再次分析 ·······························663
10.4.1 转换API ····································663
10.4.2 动作API ····································665
10.4.3 检查点API的实现分析 ···········667
10.4.4 迭代计算 ···································669
10.5 数据集合Dataset ·······························671
10.6 DataFrameReader详解 ·····················673
10.7 SparkSession详解 ·····························676
10.7.1 SparkSession的构建器Builder ···676
10.7.2 SparkSession的API ·················679
10.8 word count例子 ·································679
10.8.1 Job准备阶段 ·····························680
10.8.2 Job的提交与调度 ·····················685
10.9 小结 ········································689
附录 ···········································690
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