exploring-elasticsearch

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1、2ExploringElasticsearchAndrewCholakiancDraftdateOctober7,2013Contents1AnOverview31.1WhatisElasticsearch?..........................31.1.1BrassTacks............................31.1.2ElasticsearchisLucene......................31.1.3TheValueAdd........................

2、..41.1.4WhatProblemsdoesElasticsearchSolveWell?........41.2UpandRunning..............................51.2.1InstallingElasticsearch......................61.2.2LoadingDatasets.........................61.2.3RunningExamples........................72ModelingData92.1Doc

3、umentsandFieldBasics.......................92.1.1JSON,TheLanguageofElasticsearch.............92.2TypeBasics.................................102.2.1Overview.............................102.2.2DataTypes.............................102.2.3NotesonTyping...............

4、..........112.3IndexBasics................................122.4BasicCRUD................................123SearchingData15iiiCONTENTS3.1SearchBasics................................153.2RankingBasedonSimilarity.......................163.2.1TheBasicsofScoringinElast

5、icsearch.............163.3TheQueryDSLandtheSearchAPI...................183.3.1TheBasicsofQuerying......................183.3.2MixingQueries,Filters,andFacets...............203.4Analysis..................................203.4.1WhatisTextAnalysis?...................

6、...203.4.2TheAnalyzeAPI.........................223.4.3AboutCustomAnalyzers....................233.4.4BuildingaCSVAnalyzer....................243.5Faceting..................................253.5.1WhatisFaceting.........................253.5.2ASimpleFacetingExample

7、...................263.6Filtering..................................274SearchingNaturalLanguage334.1SearchingaLargeBodyofText.....................334.1.1SearchingaBook.........................334.1.2SearchingMorePrecisely....................344.2SearchingNon-WordTe

8、xt........................374.2.1FormulatinganApproach....................374.2.2ASimpleUsernameSearchUsingNgrams..........384.3SearchingtheWikipediaDat