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Hadoop集群程序设计与开发PPT.rar

<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89651515/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89651515/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">《<span class="ff2 sc1">Hadoop<span class="_"> </span></span>集群<span class="_ _0"></span>程序设<span class="_ _0"></span>计与开发<span class="_ _0"></span>》教学</div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">大纲</div><div class="t m0 x3 h3 y3 ff1 fs1 fc0 sc0 ls0 ws0">课程名称：<span class="ff3 sc1">Hadoop<span class="_"> </span><span class="ff4">集群程序设计与开发</span></span></div><div class="t m0 x3 h3 y4 ff1 fs1 fc0 sc0 ls0 ws0">课程类别：<span class="ff4 sc1">必修</span></div><div class="t m0 x3 h3 y5 ff1 fs1 fc0 sc0 ls0 ws0">适用专业：<span class="ff4 sc1">大数据技术类相关专业</span></div><div class="t m0 x3 h3 y6 ff1 fs1 fc0 sc0 ls0 ws0">总学时：<span class="ff3 sc1">64<span class="_"> </span><span class="ff4">学时</span></span></div><div class="t m0 x3 h3 y7 ff1 fs1 fc0 sc0 ls0 ws0">总学分：<span class="ff3 sc1">4.0<span class="_"> </span><span class="ff4">学分</span></span></div><div class="t m0 x3 h4 y8 ff1 fs2 fc0 sc0 ls0 ws0">一、<span class="_ _0"></span>课程的<span class="_ _0"></span>性质</div><div class="t m0 x4 h3 y9 ff4 fs1 fc0 sc1 ls0 ws0">本课程是为大数据技术类相关专业学生开设的课程。<span class="_ _1"></span>大数据技术蓬勃发展，<span class="_ _1"></span>基于开源技</div><div class="t m0 x3 h3 ya ff4 fs1 fc0 sc1 ls0 ws0">术的<span class="_ _2"> </span><span class="ff3">Hadoop<span class="_"> </span></span>在<span class="_ _0"></span>行业<span class="_ _0"></span>中应<span class="_ _0"></span>用<span class="_ _0"></span>广泛<span class="_ _0"></span>。<span class="ff3">Hadoop<span class="_ _2"> </span></span>开源<span class="_ _0"></span>免费<span class="_ _0"></span>、社<span class="_ _0"></span>区<span class="_ _0"></span>活跃<span class="_ _0"></span>，框<span class="_ _0"></span>架具<span class="_ _0"></span>备<span class="_ _0"></span>分布<span class="_ _0"></span>式存<span class="_ _0"></span>储和<span class="_ _0"></span>计</div><div class="t m0 x3 h3 yb ff4 fs1 fc0 sc1 ls0 ws0">算的核心功能，并且有企业成功的案例（<span class="_ _0"></span>如如淘宝、百度等）<span class="_ _3"></span>。本课程首先通过企业项目发</div><div class="t m0 x3 h3 yc ff4 fs1 fc0 sc1 ls0 ws0">展历程介绍了大数据与云计算的概念并将<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_"> </span></span>在这二个领域中的作用与地位进行阐述。</div><div class="t m0 x3 h3 yd ff4 fs1 fc0 sc1 ls0 ws0">通过<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_"> </span></span>源码<span class="_ _0"></span>片断与理论<span class="_ _0"></span>及实操结合<span class="_ _0"></span>的模式介<span class="_ _0"></span>绍<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_"> </span></span>分布式<span class="_ _0"></span>存储框架<span class="_ _4"> </span><span class="ff3">HDFS<span class="_ _2"> </span></span>与分布</div><div class="t m0 x3 h3 ye ff4 fs1 fc0 sc1 ls0 ws0">式计算框架<span class="_ _4"> </span><span class="ff3">MapReduce<span class="_"> </span></span>的用法。对于<span class="_ _4"> </span><span class="ff3">HDFS<span class="_"> </span></span>不能很好支持小条目读取的缺陷，引入<span class="_ _4"> </span><span class="ff3">HBase</span></div><div class="t m0 x3 h3 yf ff4 fs1 fc0 sc1 ls0 ws0">框架进行<span class="_ _0"></span>应用说明<span class="_ _0"></span>。对于<span class="_ _4"> </span><span class="ff3">MapReduce<span class="_ _2"> </span></span>框架对于<span class="_ _0"></span>项目专业<span class="_ _0"></span>人员的技<span class="_ _0"></span>能要求门<span class="_ _0"></span>槛高，复<span class="_ _0"></span>杂业务</div><div class="t m0 x3 h3 y10 ff4 fs1 fc0 sc1 ls0 ws0">开发周期较长的问题引<span class="_ _0"></span>入了<span class="_ _4"> </span><span class="ff3">Hive<span class="_"> </span></span>框架进行应用<span class="_ _0"></span>说明。<span class="ff3">Hadoop<span class="_"> </span></span>与<span class="_ _4"> </span><span class="ff3">HBase<span class="_"> </span></span>和<span class="_ _4"> </span><span class="ff3">Hive<span class="_"> </span></span>结合进<span class="_ _0"></span>行项</div><div class="t m0 x3 h3 y11 ff4 fs1 fc0 sc1 ls0 ws0">目中大数据的存取与统计计算在企业中的运用越来越广泛，<span class="_ _5"></span>学习<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_"> </span></span>框架已然是进入大</div><div class="t m0 x3 h3 y12 ff4 fs1 fc0 sc1 ls0 ws0">数据行业所必不可少的一步。</div><div class="t m0 x3 h4 y13 ff1 fs2 fc0 sc0 ls0 ws0">二、<span class="_ _0"></span>课程的<span class="_ _0"></span>任务</div><div class="t m0 x4 h3 y14 ff4 fs1 fc0 sc1 ls0 ws0">通过<span class="_ _0"></span>本<span class="_ _0"></span>课<span class="_ _0"></span>程的<span class="_ _0"></span>学<span class="_ _0"></span>习<span class="_ _0"></span>，使<span class="_ _0"></span>学<span class="_ _0"></span>生<span class="_ _0"></span>对<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_ _2"> </span></span>框<span class="_ _0"></span>架<span class="_ _0"></span>有一<span class="_ _0"></span>个<span class="_ _0"></span>全<span class="_ _0"></span>面<span class="_ _0"></span>的理<span class="_ _0"></span>解<span class="_ _0"></span>，<span class="_ _0"></span>课程<span class="_ _0"></span>内<span class="_ _0"></span>容<span class="_ _0"></span>主要<span class="_ _0"></span>包<span class="_ _0"></span>括<span class="_ _0"></span>了</div><div class="t m0 x3 h3 y15 ff3 fs1 fc0 sc1 ls0 ws0">Hadoop<span class="_"> </span><span class="ff4">基本原理与架构、<span class="_ _6"></span>集群安装配置、<span class="_ _6"></span><span class="ff3">HDFS<span class="_"> </span><span class="ff4">应用、<span class="_ _6"></span><span class="ff3">HDFS I/O<span class="_"> </span><span class="ff4">操作、<span class="_ _6"></span><span class="ff3">MapReduce<span class="_"> </span><span class="ff4">工作原</span></span></span></span></span></span></span></div><div class="t m0 x3 h3 y16 ff4 fs1 fc0 sc1 ls0 ws0">理与应用编程、<span class="_ _7"></span><span class="ff3">HBase<span class="_"> </span><span class="ff4">基本应用、<span class="_ _7"></span><span class="ff3">Hive<span class="_"> </span><span class="ff4">基本应用，<span class="_ _7"></span>关键知识点配置<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_"> </span></span>源码片断和实操</span></span></span></span></div><div class="t m0 x3 h3 y17 ff4 fs1 fc0 sc1 ls0 ws0">案例进行辅助。涉及的知识点简要精到，实践操作性强。</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div><div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89651515/bg2.jpg"><div class="t m0 x3 h4 y18 ff1 fs2 fc0 sc0 ls0 ws0">三、<span class="_ _0"></span>教学内<span class="_ _0"></span>容及学时<span class="_ _0"></span>安排</div><div class="c x5 y19 w2 h5"><div class="t m0 x6 h3 y1a ff1 fs1 fc0 sc0 ls0 ws0">序</div><div class="t m0 x6 h3 y1b ff1 fs1 fc0 sc0 ls0 ws0">号</div></div><div class="c x7 y19 w3 h5"><div class="t m0 x8 h3 y1c ff1 fs1 fc0 sc0 ls0 ws0">章节名称</div></div><div class="c x9 y19 w4 h5"><div class="t m0 xa h3 y1c ff1 fs1 fc0 sc0 ls0 ws0">主要内容</div></div><div class="c xb y19 w5 h5"><div class="t m0 xc h3 y1c ff1 fs1 fc0 sc0 ls0 ws0">教学目标</div></div><div class="c xd y19 w6 h5"><div class="t m0 x6 h3 y1c ff1 fs1 fc0 sc0 ls0 ws0">学时</div></div><div class="c x5 y1d w2 h6"><div class="t m0 xe h7 y1e ff3 fs1 fc0 sc1 ls0 ws0">1</div></div><div class="c x7 y1d w3 h6"><div class="t m0 xf h3 y1f ff4 fs1 fc0 sc1 ls0 ws0">初识<span class="_ _4"> </span><span class="ff3">Hadoop</span></div></div><div class="c x9 y1d w4 h6"><div class="t m0 xf h3 y20 ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">为什么要学习<span class="_ _4"> </span></span>Hadoop</div><div class="t m0 xf h3 y21 ff3 fs1 fc0 sc1 ls0 ws0">2. Hadoop<span class="_"> </span><span class="ff4">与云计算的关系</span></div><div class="t m0 xf h3 y22 ff3 fs1 fc0 sc1 ls0 ws0">3. Hadoop<span class="_"> </span><span class="ff4">与大数据的关系</span></div><div class="t m0 xf h3 y23 ff3 fs1 fc0 sc1 ls0 ws0">4. <span class="_"> </span><span class="ff4">学习<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">需要具备哪</span></div><div class="t m0 xf h3 y24 ff4 fs1 fc0 sc1 ls0 ws0">些知识基础</div><div class="t m0 xf h3 y25 ff3 fs1 fc0 sc1 ls0 ws0">5. <span class="_"> </span><span class="ff4">学习<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">需要的实验</span></div><div class="t m0 xf h3 y26 ff4 fs1 fc0 sc1 ls0 ws0">环境什么样</div><div class="t m0 xf h3 y27 ff3 fs1 fc0 sc1 ls0 ws0">6. <span class="_"> </span><span class="ff4">学习完<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">能做什么</span></div></div><div class="c xb y1d w5 h6"><div class="t m0 xf h3 y28 ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">了解<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">产生过程、应</span></div><div class="t m0 xf h3 y29 ff4 fs1 fc0 sc1 ls0 ws0">用场景</div><div class="t m0 xf h3 y2a ff3 fs1 fc0 sc1 ls0 ws0">2. <span class="_"> </span><span class="ff4">理解云计算、<span class="_ _5"></span>大数据概念及</span></div><div class="t m0 xf h3 y24 ff3 fs1 fc0 sc1 ls0 ws0">Hadoop<span class="_"> </span><span class="ff4">与它们的关系</span></div><div class="t m0 xf h3 y2b ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">了解<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">学习过程及目</span></div><div class="t m0 xf h3 y26 ff4 fs1 fc0 sc1 ls0 ws0">前<span class="_ _4"> </span><span class="ff3">Hadoop<span class="_"> </span></span>人才需求情况</div></div><div class="c xd y1d w6 h6"><div class="t m0 x10 h7 y1e ff3 fs1 fc0 sc1 ls0 ws0">4</div></div><div class="c x5 y2c w2 h8"><div class="t m0 xe h7 y2d ff3 fs1 fc0 sc1 ls0 ws0">2</div></div><div class="c x7 y2c w3 h8"><div class="t m0 xf h3 y2e ff3 fs1 fc0 sc1 ls0 ws0">Hadoop<span class="_ _8"> </span><span class="ff4">基<span class="_ _9"> </span>础<span class="_ _9"> </span>知</span></div><div class="t m0 xf h3 y2f ff4 fs1 fc0 sc1 ls0 ws0">识</div></div><div class="c x9 y2c w4 h8"><div class="t m0 xf h3 y30 ff3 fs1 fc0 sc1 ls0 ws0">1. Hadoop<span class="_"> </span><span class="ff4">简介</span></div><div class="t m0 xf h3 y31 ff3 fs1 fc0 sc1 ls0 ws0">2. Hadoop<span class="_ _a"> </span><span class="ff4">版<span class="_ _b"></span>本<span class="_ _b"></span>演<span class="_ _b"></span>化<span class="_ _b"></span>工<span class="_ _b"></span>作<span class="_ _b"></span>原</span></div><div class="t m0 xf h3 y32 ff4 fs1 fc0 sc1 ls0 ws0">理</div><div class="t m0 xf h3 y33 ff3 fs1 fc0 sc1 ls0 ws0">3. HDFS<span class="ff4">（分布式文件系统）</span></div><div class="t m0 xf h3 y34 ff4 fs1 fc0 sc1 ls0 ws0">工作原理</div><div class="t m0 xf h3 y35 ff3 fs1 fc0 sc1 ls0 ws0">4. MapReduce<span class="_ _c"> </span><span class="ff4">（<span class="_ _c"> </span>分<span class="_ _c"> </span>布<span class="_ _c"> </span>式<span class="_ _c"> </span>计</span></div><div class="t m0 xf h3 y36 ff4 fs1 fc0 sc1 ls0 ws0">算框架）工作原理</div><div class="t m0 xf h3 y37 ff3 fs1 fc0 sc1 ls0 ws0">5. YARN<span class="ff4">（资源管理系统）</span></div><div class="t m0 xf h3 y38 ff4 fs1 fc0 sc1 ls0 ws0">工作原理</div><div class="t m0 xf h3 y39 ff3 fs1 fc0 sc1 ls0 ws0">6. <span class="_"> </span><span class="ff4">容错机制</span></div><div class="t m0 xf h3 y27 ff3 fs1 fc0 sc1 ls0 ws0">7. <span class="_"> </span><span class="ff4">安全性</span></div></div><div class="c xb y2c w5 h8"><div class="t m0 xf h3 y3a ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">了解<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">版本衍化情况</span></div><div class="t m0 xf h3 y3b ff4 fs1 fc0 sc1 ls0 ws0">及生态系统的特点</div><div class="t m0 xf h3 y3c ff3 fs1 fc0 sc1 ls0 ws0">2. <span class="_"> </span><span class="ff4">掌握<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">版本原理衍化</span></div><div class="t m0 xf h3 y3d ff4 fs1 fc0 sc1 ls0 ws0">过程</div><div class="t m0 xf h3 y3e ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">掌握<span class="_ _4"> </span></span>HDFS<span class="ff4">、</span>MapReduce<span class="ff4">、</span></div><div class="t m0 xf h3 y3f ff3 fs1 fc0 sc1 ls0 ws0">YARN<span class="_"> </span><span class="ff4">工作原理</span></div></div><div class="c xd y2c w6 h8"><div class="t m0 x10 h7 y40 ff3 fs1 fc0 sc1 ls0 ws0">4</div></div><div class="c x5 y41 w2 h9"><div class="t m0 xe h7 y42 ff3 fs1 fc0 sc1 ls0 ws0">3</div></div><div class="c x7 y41 w3 h9"><div class="t m0 xf h3 y43 ff3 fs1 fc0 sc1 ls0 ws0">Hadoop<span class="_ _8"> </span><span class="ff4">开<span class="_ _9"> </span>发<span class="_ _9"> </span>环</span></div><div class="t m0 xf h3 y44 ff4 fs1 fc0 sc1 ls0 ws0">境配置与搭建</div></div><div class="c x9 y41 w4 h9"><div class="t m0 xf h3 y45 ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">集群部署</span></div><div class="t m0 xf h3 y46 ff3 fs1 fc0 sc1 ls0 ws0">2. <span class="_"> </span><span class="ff4">本地</span>/<span class="ff4">独立模式搭建</span></div><div class="t m0 xf h3 y47 ff3 fs1 fc0 sc1 ls0 ws0">3. Hadoop<span class="_"> </span><span class="ff4">伪分布模式搭建</span></div><div class="t m0 xf h3 y48 ff3 fs1 fc0 sc1 ls0 ws0">4. <span class="_"> </span><span class="ff4">完全分布式搭建</span></div><div class="t m0 xf h3 y49 ff3 fs1 fc0 sc1 ls0 ws0">5. <span class="_"> </span><span class="ff4">基<span class="_ _d"> </span>于<span class="_ _e"> </span></span>Hadoop<span class="_ _e"> </span><span class="ff4">环<span class="_ _d"> </span>境</span></div><div class="t m0 xf h3 y4a ff3 fs1 fc0 sc1 ls0 ws0">Eclipse<span class="_"> </span><span class="ff4">开发环境搭建</span></div></div><div class="c xb y41 w5 h9"><div class="t m0 xf h3 y4b ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">掌握集群部署的要点</span></div><div class="t m0 xf h3 y1f ff3 fs1 fc0 sc1 ls0 ws0">2. <span class="_"> </span><span class="ff4">掌握<span class="_ _4"> </span></span>Hadoop<span class="_"> </span><span class="ff4">集群配置的流</span></div><div class="t m0 xf h3 y4c ff4 fs1 fc0 sc1 ls0 ws0">程及内容</div><div class="t m0 xf h3 y4d ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">掌<span class="_ _2"> </span>握<span class="_ _2"> </span>基<span class="_ _2"> </span>于<span class="_ _f"> </span></span>Hadoop<span class="_ _f"> </span><span class="ff4">平<span class="_ _4"> </span>台</span></div><div class="t m0 xf h3 y4e ff3 fs1 fc0 sc1 ls0 ws0">Eclipse<span class="_"> </span><span class="ff4">开发环境的建立过程</span></div></div><div class="c xd y41 w6 h9"><div class="t m0 x10 h7 y4f ff3 fs1 fc0 sc1 ls0 ws0">8</div></div><div class="c x5 y50 w2 h9"><div class="t m0 xe h7 y42 ff3 fs1 fc0 sc1 ls0 ws0">4</div></div><div class="c x7 y50 w3 h9"><div class="t m0 xf h3 y43 ff3 fs1 fc0 sc1 ls0 ws0">Hadoop<span class="_ _8"> </span><span class="ff4">分<span class="_ _9"> </span>布<span class="_ _9"> </span>式</span></div><div class="t m0 xf h3 y44 ff4 fs1 fc0 sc1 ls0 ws0">文件系统<span class="_ _3"></span>（<span class="ff3">HDFS</span>）</div></div><div class="c x9 y50 w4 h9"><div class="t m0 xf h3 y45 ff3 fs1 fc0 sc1 ls0 ws0">1. HDFS<span class="_"> </span><span class="ff4">流操作</span></div><div class="t m0 xf h3 y46 ff3 fs1 fc0 sc1 ls0 ws0">2. HDFS<span class="_ _10"> </span><span class="ff4">常<span class="_ _11"> </span>用<span class="_ _11"> </span>命<span class="_ _11"> </span>令<span class="_ _11"> </span>行<span class="_ _11"> </span>操<span class="_ _11"> </span>作</span></div><div class="t m0 xf h3 y51 ff4 fs1 fc0 sc1 ls0 ws0">概述</div><div class="t m0 xf h3 y48 ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">通过<span class="_ _2"> </span></span>Web<span class="_"> </span><span class="ff4">浏<span class="_ _0"></span>览<span class="_ _2"> </span></span>HDFS<span class="_"> </span><span class="ff4">文</span></div><div class="t m0 xf h3 y52 ff4 fs1 fc0 sc1 ls0 ws0">件</div><div class="t m0 xf h7 y53 ff3 fs1 fc0 sc1 ls0 ws0">4. HDFS API</div></div><div class="c xb y50 w5 h9"><div class="t m0 xf h3 y54 ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">理解<span class="_ _4"> </span></span>HDFS<span class="_"> </span><span class="ff4">流的操作过程</span></div><div class="t m0 xf h3 y51 ff3 fs1 fc0 sc1 ls0 ws0">2. <span class="_"> </span><span class="ff4">掌握常用<span class="_ _4"> </span></span>HDFS<span class="_"> </span><span class="ff4">命令</span></div><div class="t m0 xf h3 y55 ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">掌<span class="_ _12"></span>握<span class="_ _13"> </span></span>HDFS <span class="_ _12"> </span>Java <span class="_ _12"> </span>API<span class="_ _13"> </span><span class="ff4">编<span class="_ _12"></span>程</span></div><div class="t m0 xf h3 y52 ff4 fs1 fc0 sc1 ls0 ws0">写法</div></div><div class="c xd y50 w6 h9"><div class="t m0 x10 h7 y4f ff3 fs1 fc0 sc1 ls0 ws0">4</div></div><div class="c x5 y56 w2 ha"><div class="t m0 xe h7 y57 ff3 fs1 fc0 sc1 ls0 ws0">5</div></div><div class="c x7 y56 w3 ha"><div class="t m0 xf h3 y58 ff3 fs1 fc0 sc1 ls0 ws0">Hadoop<span class="_ _a"> </span><span class="ff4">的<span class="_ _a"> </span></span>I/O<span class="_ _a"> </span><span class="ff4">操</span></div><div class="t m0 xf h3 y59 ff4 fs1 fc0 sc1 ls0 ws0">作</div></div><div class="c x9 y56 w4 ha"><div class="t m0 xf h3 y54 ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">压缩</span></div><div class="t m0 xf h3 y51 ff3 fs1 fc0 sc1 ls0 ws0">2. I/O<span class="_"> </span><span class="ff4">序列化类型</span></div><div class="t m0 xf h3 y55 ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">基于文件的数据结构</span></div></div><div class="c xb y56 w5 ha"><div class="t m0 xf h3 y5a ff3 fs1 fc0 sc1 ls0 ws0">1. <span class="_"> </span><span class="ff4">掌握压缩类型的正确应用</span></div><div class="t m0 xf h3 y5b ff3 fs1 fc0 sc1 ls0 ws0">2. <span class="_"> </span><span class="ff4">掌<span class="_ _14"></span>握<span class="_ _9"> </span></span>Writable<span class="_ _9"> </span><span class="ff4">类<span class="_ _14"></span>型<span class="_ _14"></span>的<span class="_ _14"></span>正<span class="_ _14"></span>确</span></div><div class="t m0 xf h3 y5c ff4 fs1 fc0 sc1 ls0 ws0">应用</div><div class="t m0 xf h3 y47 ff3 fs1 fc0 sc1 ls0 ws0">3. <span class="_"> </span><span class="ff4">掌<span class="_ _14"></span>握<span class="_ _14"></span>自<span class="_ _14"></span>定<span class="_ _14"></span>义<span class="_ _9"> </span></span>Writable<span class="_ _9"> </span><span class="ff4">类<span class="_ _14"></span>型</span></div><div class="t m0 xf h3 y55 ff4 fs1 fc0 sc1 ls0 ws0">的实现与应用</div><div class="t m0 xf h3 y49 ff3 fs1 fc0 sc1 ls0 ws0">4. <span class="_"> </span><span class="ff4">掌<span class="_ _11"> </span>握<span class="_ _10"> </span></span>SequenceFile<span class="_ _10"> </span><span class="ff4">的<span class="_ _15"> </span>基<span class="_ _11"> </span>本</span></div><div class="t m0 xf h3 y4a ff4 fs1 fc0 sc1 ls0 ws0">应用</div></div><div class="c xd y56 w6 ha"><div class="t m0 x10 h7 y5d ff3 fs1 fc0 sc1 ls0 ws0">6</div></div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>

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