• Elasticsearch数据搜索与分析实战
  • Elasticsearch数据搜索与分析实战
  • Elasticsearch数据搜索与分析实战
  • Elasticsearch数据搜索与分析实战
  • Elasticsearch数据搜索与分析实战
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Elasticsearch数据搜索与分析实战

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作者王深湛

出版社人民邮电出版社

ISBN9787115603654

出版时间2023-04

装帧平装

开本16开

定价99.8元

货号1202831762

上书时间2024-06-10

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作者简介
武汉大学计算机硕士,长期专注于Java后端开发,擅长领域为微服务、全文检索和大数据分析。目前供职于中国科学院下某研究所担任高级研发工程师,长期在一线担任开发职位,项目经验丰富,热衷于开源事业,乐于做技术分享和交流。

目录
原理篇
第 1章 快速入门                                                     03
1 1 Elasticsearch简介                                               03
1 2 Elasticsearch的典型接入方式                             04
1 2 1 将Elasticsearch作为数据源                             04
1 2 2 给已有系统添加Elasticsearch                           05
1 2 3 使用Elastic Stack                                             05
1 3 专有名词解释                                                        06
1 4 安装Elasticsearch 7 9 1                                      08
1 5 安装Kibana调试Elasticsearch                          09
1 6 Elasticsearch节点的重要配置                             11
1 6 1 集群节点的配置方法和优先级                           12
1 6 2 elasticsearch yml的重要配置                            13
1 6 3 配置JVM的堆内存大小                                    15
1 7 本章小结                                                               16
第 2章 深入原理                                                     17
2 1 搜索引擎的基本原理                                              17
2 2 Elasticsearch集群的形成机制                             19
2 2 1 集群节点的发现、选举和引导过程                    20
2 2 2 集群状态的发布过程                                          20
2 3 索引分片的分配机制                                              21
2 3 1 分片的分配                                                        21
2 3 2 分片分配的过程                                                 22
2 3 3 分片分配的感知                                                 25
2 3 4 分片分配的过滤                                                 27
2 4 索引分片的恢复机制                                              28
2 4 1 分片的恢复                                                        29
2 4 2 分片恢复的过程                                                 29
2 4 3 减少不必要的分片恢复                                      32
2 5 索引数据的写入过程                                              33
2 6 索引数据的搜索过程                                              35
2 7 本章小结                                                               36
应用篇
第3章 索引数据                                                     41
3 1 使用映射定义索引结构                                          41
3 1 1 映射的概念和使用                                             41
3 1 2 映射支持的常规字段类型                                   43
3 1 3 忽略映射中不合法的数据                                   48
3 1 4 字段复制和字段存储                                          51
3 1 5 动态映射                                                            54
3 2 索引中数据的增删改查                                          60
3 2 1 使用REST端点对索引映射中的数据进行增删改查                                                    61
3 2 2 使用乐观锁进行并发控制                                   63
3 2 3 索引数据的批量写入                                          65
3 3 索引数据的路由规则                                              68
3 3 1 索引数据路由的原理                                          69
3 3 2 使用自定义路由分发数据                                   69
3 4 索引的别名                                                            73
3 4 1 别名的创建和删除                                             73
3 4 2 别名配合数据过滤                                             74
3 4 3 别名配合数据路由                                             76
3 5 滚动索引                                                               77
3 6 索引的状态管理                                                     80
3 6 1 清空缓存                                                            80
3 6 2 刷新索引                                                            81
3 6 3 冲洗索引                                                            81
3 6 4 强制合并                                                            82
3 6 5 关闭索引                                                            82
3 6 6 冻结索引                                                            83
3 7 索引的块                                                               83
3 8 索引模板                                                               84
3 8 1 使用索引模板定制索引结构                               84
3 8 2 使用模板组件简化模板配置                               88
3 9 索引的监控                                                            90
3 9 1 监控索引的健康状态                                          90
3 9 2 监控索引分片的段数据                                      91
3 9 3 监控索引分片的分配                                          93
3 9 4 监控索引分片的恢复                                          93
3 9 5 监控索引的统计指标                                          95
3 10 控制索引分片的分配                                            97
3 11 本章小结                                                              98
第4章 文本分析                                                     99
4 1 文本分析的原理                                                     99
4 2 使用内置的分析器分析文本                                 100
4 2 1 标准分析器                                                      100
4 2 2 简单分析器                                                      105
4 2 3 空格分析器                                                      106
4 3 使用IK分词器分析文本                                      108
4 3 1 安装IK分词器                                                 108
4 3 2 在索引中使用IK分词器                                   108
4 4 自定义文本分析器分析文本                                 112
4 4 1 字符过滤器                                                       112
4 4 2 分词器                                                              115
4 4 3 分词过滤器                                                       119
4 4 4 给索引添加自定义分析器                                 124
4 5 查看文档的词条向量                                            127
4 6 keyword类型字段的标准化                                131
4 7 本章小结                                                             134
第5章 搜索数据                                                   135
5 1 精准级查询                                                          136
5 1 1 术语查询                                                          136
5 1 2 多术语查询                                                      137
5 1 3 主键查询                                                          139
5 1 4 范围查询                                                          140
5 1 5 存在查询                                                          142
5 1 6 前缀查询                                                          143
5 1 7 正则查询                                                          145
5 1 8 通配符查询                                                      146
5 2 全文检索                                                             147
5 2 1 匹配搜索                                                          148
5 2 2 布尔前缀匹配搜索                                           150
5 2 3 短语搜索                                                          151
5 2 4 短语前缀匹配搜索                                           152
5 2 5 多字段匹配搜索                                               152
5 2 6 查询字符串搜索                                               153
5 3 经纬度搜索                                                          156
5 3 1 圆形搜索                                                          156
5 3 2 矩形搜索                                                          158
5 3 3 多边形搜索                                                      160
5 4 复合搜索                                                             161
5 4 1 布尔查询                                                          161
5 4 2 常量得分查询                                                   164
5 4 3 析取最大查询                                                   165
5 4 4 相关度增强查询                                               166
5 5 搜索结果的总数                                                   166
5 6 搜索结果的分页                                                   167
5 6 1 普通分页                                                          168
5 6 2 滚动分页                                                          168
5 6 3 Search after分页                                            169
5 7 搜索结果的排序                                                   171
5 8 筛选搜索结果返回的字段                                    172
5 9 高亮搜索结果中的关键词                                    174
5 10 折叠搜索结果                                                    175
5 11 解释搜索结果                                                    180
5 12 本章小结                                                           181
第6章 聚集统计                                                   183
6 1 度量聚集                                                             183
6 1 1 平均值聚集                                                      184
6 1 2 最大值和最小值聚集                                        185
6 1 3 求和聚集                                                          186
6 1 4 统计聚集                                                          186
6 1 5 基数聚集                                                          187
6 1 6 百分比聚集                                                      188
6 1 7 百分比等级聚集                                               190
6 1 8 头部命中聚集                                                   191
6 1 9 矩阵统计聚集                                                   192
6 2 桶聚集                                                                 194
6 2 1 词条聚集                                                          194
6 2 2 范围聚集                                                          198
6 2 3 日期范围聚集                                                   200
6 2 4 直方图聚集                                                      202
6 2 5 日期直方图聚集                                               204
6 2 6 缺失聚集                                                          207
6 2 7 过滤器聚集                                                     

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