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Hello Solr，

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Hello Solr，


1 Solr 安装

     skip

2. 启动 测试


[plcm@pdmstest bin]$ ./solr start
Warning: Available entropy is low. As a result, use of the UUIDField, SSL, or any other features that require
RNG might not work properly. To check for the amount of available entropy, use 'cat /proc/sys/kernel/random/entropy_avail'.


Waiting up to 180 seconds to see Solr running on port 8983 [\]  
Started Solr server on port 8983 (pid=12173). Happy searching!

3 创建core

[plcm@pdmstest bin]$ ./solr  create -c pdms
WARNING: Using _default configset. Data driven schema functionality is enabled by default, which is
         NOT RECOMMENDED for production use.


         To turn it off:
            curl http://localhost:8983/solr/pdms/config -d '{"set-user-property": {"update.autoCreateFields":"false"}}'


Created new core 'pdms'

4. 创建document

 [plcm@pdmstest bin]$ ./post   -c pdms  hellosolr.json 
/etc/alternatives/jre/bin/java -classpath /home/plcm/Downloads/solr-7.1.0/dist/solr-core-7.1.0.jar -Dauto=yes -Dc=pdms -Ddata=files org.apache.solr.util.SimplePostTool hellosolr.json
SimplePostTool version 5.0.0
Posting files to [base] url http://localhost:8983/solr/pdms/update...
Entering auto mode. File endings considered are xml,json,jsonl,csv,pdf,doc,docx,ppt,pptx,xls,xlsx,odt,odp,ods,ott,otp,ots,rtf,htm,html,txt,log
POSTing file hellosolr.json (application/json) to [base]/json/docs
1 files indexed.
COMMITting Solr index changes to http://localhost:8983/solr/pdms/update...
Time spent: 0:00:00.970

内容如下： 
{
    "glossary": {
        "title": "example glossary",
                "GlossDiv": {
            "title": "S",
                        "GlossList": {
                "GlossEntry": {
                    "ID": "SGML",
                                        "SortAs": "SGML",
                                        "GlossTerm": "Standard Generalized Markup Language",
                                        "Acronym": "SGML",
                                        "Abbrev": "ISO 8879:1986",
                                        "GlossDef": {
                        "para": "A meta-markup language, used to create markup languages such as DocBook.",
                                                "GlossSeeAlso": ["GML", "XML"]
                    },
                                        "GlossSee": "markup"
                }
            }
        }
    }
}

5. 测试

5.1 q 参数测试

http://localhost:8983/solr/pdms/select?q=*:*   q为查询参数，格式为fieldname:value，此处为查询所有的内容 
"response":{"numFound":53,"start":0,"docs":[
      {
        "glossary.title":["example glossary"],
        "glossary.GlossDiv.title":["S"],
        "glossary.GlossDiv.GlossList.GlossEntry.ID":["SGML"],
        "glossary.GlossDiv.GlossList.GlossEntry.SortAs":["SGML"],
        "glossary.GlossDiv.GlossList.GlossEntry.GlossTerm":["Standard Generalized Markup Language"],
        "glossary.GlossDiv.GlossList.GlossEntry.Acronym":["SGML"],
        "glossary.GlossDiv.GlossList.GlossEntry.Abbrev":["ISO 8879:1986"],
        "glossary.GlossDiv.GlossList.GlossEntry.GlossDef.para":["A meta-markup language, used to create markup languages such as DocBook."],
        "glossary.GlossDiv.GlossList.GlossEntry.GlossDef.GlossSeeAlso":["GML",
          "XML"],
        "glossary.GlossDiv.GlossList.GlossEntry.GlossSee":["markup"],
        "id":"41e48ee2-7d6f-462b-8cab-ac9f9ff55e92",
        "glossary.GlossDiv.GlossList.GlossEntry.GlossTerm_str":["Standard Generalized Markup Language"],
        "glossary.GlossDiv.GlossList.GlossEntry.SortAs_str":["SGML"],
        "glossary.GlossDiv.GlossList.GlossEntry.GlossSee_str":["markup"],
        "glossary.GlossDiv.title_str":["S"],
        "glossary.GlossDiv.GlossList.GlossEntry.ID_str":["SGML"],
        "glossary.GlossDiv.GlossList.GlossEntry.Abbrev_str":["ISO 8879:1986"],
        "glossary.GlossDiv.GlossList.GlossEntry.Acronym_str":["SGML"],
        "glossary.title_str":["example glossary"],
        "glossary.GlossDiv.GlossList.GlossEntry.GlossDef.para_str":["A meta-markup language, used to create markup languages such as DocBook."],
        "_version_":1581589565074833408,
        "glossary.GlossDiv.GlossList.GlossEntry.GlossDef.GlossSeeAlso_str":["GML",
          "XML"]},
      {
        "id":"0553573403",
        "cat":["book"],
        "name":["A Game of Thrones"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":1,
        "genre_s":"fantasy",
        "name_str":["A Game of Thrones"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155912806400,
        "author_str":["George R.R. Martin"]},
      {
        "id":"0553579908",
        "cat":["book"],
        "name":["A Clash of Kings"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":2,
        "genre_s":"fantasy",
        "name_str":["A Clash of Kings"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155932729344,
        "author_str":["George R.R. Martin"]},
      {
        "id":"055357342X",
        "cat":["book"],
        "name":["A Storm of Swords"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":3,
        "genre_s":"fantasy",
        "name_str":["A Storm of Swords"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155934826496,
        "author_str":["George R.R. Martin"]},
      {
        "id":"0553293354",
        "cat":["book"],
        "name":["Foundation"],
        "price":[7.99],
        "inStock":[true],
        "author":["Isaac Asimov"],
        "series_t":["Foundation Novels"],
        "sequence_i":1,
        "genre_s":"scifi",
        "name_str":["Foundation"],
        "cat_str":["book"],
        "series_t_str":["Foundation Novels"],
        "_version_":1581590155937972224,
        "author_str":["Isaac Asimov"]},
      {
        "id":"0812521390",
        "cat":["book"],
        "name":["The Black Company"],
        "price":[6.99],
        "inStock":[false],
        "author":["Glen Cook"],
        "series_t":["The Chronicles of The Black Company"],
        "sequence_i":1,
        "genre_s":"fantasy",
        "name_str":["The Black Company"],
        "cat_str":["book"],
        "series_t_str":["The Chronicles of The Black Company"],
        "_version_":1581590155940069376,
        "author_str":["Glen Cook"]},
      {
        "id":"0812550706",
        "cat":["book"],
        "name":["Ender's Game"],
        "price":[6.99],
        "inStock":[true],
        "author":["Orson Scott Card"],
        "series_t":["Ender"],
        "sequence_i":1,
        "genre_s":"scifi",
        "name_str":["Ender's Game"],
        "cat_str":["book"],
        "series_t_str":["Ender"],
        "_version_":1581590155943215104,
        "author_str":["Orson Scott Card"]},
      {
        "id":"0441385532",
        "cat":["book"],
        "name":["Jhereg"],
        "price":[7.95],
        "inStock":[false],
        "author":["Steven Brust"],
        "series_t":["Vlad Taltos"],
        "sequence_i":1,
        "genre_s":"fantasy",
        "name_str":["Jhereg"],
        "cat_str":["book"],
        "series_t_str":["Vlad Taltos"],
        "_version_":1581590155945312256,
        "author_str":["Steven Brust"]},
      {
        "id":"0380014300",
        "cat":["book"],
        "name":["Nine Princes In Amber"],
        "price":[6.99],
        "inStock":[true],
        "author":["Roger Zelazny"],
        "series_t":["the Chronicles of Amber"],
        "sequence_i":1,
        "genre_s":"fantasy",
        "name_str":["Nine Princes In Amber"],
        "cat_str":["book"],
        "series_t_str":["the Chronicles of Amber"],
        "_version_":1581590155948457984,
        "author_str":["Roger Zelazny"]},
      {
        "id":"0805080481",
        "cat":["book"],
        "name":["The Book of Three"],
        "price":[5.99],
        "inStock":[true],
        "author":["Lloyd Alexander"],
        "series_t":["The Chronicles of Prydain"],
        "sequence_i":1,
        "genre_s":"fantasy",
        "name_str":["The Book of Three"],
        "cat_str":["book"],
        "series_t_str":["The Chronicles of Prydain"],
        "_version_":1581590155950555136,
        "author_str":["Lloyd Alexander"]}]
  }}

field:name 查询条件中，value不是模糊匹配，不区分大小写，此处由于空格，所以kings被分割开了，其实是准确匹配。 测试如下： http://localhost:8983/solr/pdms/select?q=name:kings

{
  "responseHeader":{
    "status":0,
    "QTime":0,
    "params":{
      "q":"name:kings"}},
  "response":{"numFound":1,"start":0,"docs":[
      {
        "id":"0553579908",
        "cat":["book"],
        "name":["A Clash of Kings"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":2,
        "genre_s":"fantasy",
        "name_str":["A Clash of Kings"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155932729344,
        "author_str":["George R.R. Martin"]}]
  }}



5.2 fl参数测试

返回指定字段，fl参数可用于在响应中选择有限的字段集。 这将有助于限制通过系统的数据量，并降低I / O成本。测试如下： http://localhost:8983/solr/pdms/select?q=*:*&fl=id,cat,name
 
{
  "responseHeader":{
    "status":0,
    "QTime":0,
    "params":{
      "q":"*:*",
      "fl":"id,cat,name"}},
  "response":{"numFound":53,"start":0,"docs":[
      {
        "id":"41e48ee2-7d6f-462b-8cab-ac9f9ff55e92"},
      {
        "id":"0553573403",
        "cat":["book"],
        "name":["A Game of Thrones"]},
      {
        "id":"0553579908",
        "cat":["book"],
        "name":["A Clash of Kings"]},
      {
        "id":"055357342X",
        "cat":["book"],
        "name":["A Storm of Swords"]},
      {
        "id":"0553293354",
        "cat":["book"],
        "name":["Foundation"]},
      {
        "id":"0812521390",
        "cat":["book"],
        "name":["The Black Company"]},
      {
        "id":"0812550706",
        "cat":["book"],
        "name":["Ender's Game"]},
      {
        "id":"0441385532",
        "cat":["book"],
        "name":["Jhereg"]},
      {
        "id":"0380014300",
        "cat":["book"],
        "name":["Nine Princes In Amber"]},
      {
        "id":"0805080481",
        "cat":["book"],
        "name":["The Book of Three"]}]
  }}


5.3  Facet功能测试



这个是搜索铁观音这个词，统计了分类和品牌2个侧面（分组），铁观音在生活分类下有64个，茗茶里面48……

上面这个说到底，就是某一类型的标签统计，比如xxx年热词等等，只要有记录，也能统计出来，当然，超大数据量提前优化好solr的性能。

介绍了一下facet之后，来说说怎么实现facet。facet的实现其实很简单，主要在搜索参数上带上就OK。

facet=on/true      #代表开启facet
facet.field=cate  #代表要统计的面（分组），比如上面的分类，品牌，可以多次出现
facet.limit =20    #每个分组最多返回条数
facet.mincount = 1 #这个表示分组下某一条目的最小数据量
facet.missing = on/true #统计null的值
facet.method =   #默认为fc, fc表示Field Cache

在本测试中，结果如下
http://localhost:8983/solr/pdms/select?q=name:a&facet=true&facet.field=name

返回name中包含a的结果，共计四条，在facet结果中，对name进行了分词，所以出现a的次数为4 
{
  "responseHeader":{
    "status":0,
    "QTime":112,
    "params":{
      "q":"name:a",
      "facet.field":"name",
      "facet":"true"}},
  "response":{"numFound":4,"start":0,"docs":[
      {
        "id":"0553573403",
        "cat":["book"],
        "name":["A Game of Thrones"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":1,
        "genre_s":"fantasy",
        "name_str":["A Game of Thrones"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155912806400,
        "author_str":["George R.R. Martin"]},
      {
        "id":"0553579908",
        "cat":["book"],
        "name":["A Clash of Kings"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":2,
        "genre_s":"fantasy",
        "name_str":["A Clash of Kings"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155932729344,
        "author_str":["George R.R. Martin"]},
      {
        "id":"055357342X",
        "cat":["book"],
        "name":["A Storm of Swords"],
        "price":[7.99],
        "inStock":[true],
        "author":["George R.R. Martin"],
        "series_t":["A Song of Ice and Fire"],
        "sequence_i":3,
        "genre_s":"fantasy",
        "name_str":["A Storm of Swords"],
        "cat_str":["book"],
        "series_t_str":["A Song of Ice and Fire"],
        "_version_":1581590155934826496,
        "author_str":["George R.R. Martin"]},
      {
        "id":"VDBDB1A16",
        "name":["A-DATA V-Series 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System Memory - OEM"],
        "manu":["A-DATA Technology Inc."],
        "manu_id_s":"corsair",
        "cat":["electronics",
          "memory"],
        "features":["CAS latency 3,   2.7v"],
        "popularity":[0],
        "inStock":[true],
        "store":["45.18414,-93.88141"],
        "manufacturedate_dt":"2006-02-13T15:26:37Z",
        "payloads":["electronics|0.9 memory|0.1"],
        "name_str":["A-DATA V-Series 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System Memory - OEM"],
        "features_str":["CAS latency 3,   2.7v"],
        "store_str":["45.18414,-93.88141"],
        "cat_str":["electronics",
          "memory"],
        "manu_str":["A-DATA Technology Inc."],
        "payloads_str":["electronics|0.9 memory|0.1"],
        "_version_":1581590156797804544}]
  },
  "facet_counts":{
    "facet_queries":{},
    "facet_fields":{
      "name":[
        "a",4,
        "of",3,
        "184",1,
        "1gb",1,
        "3200",1,
        "400",1,
        "clash",1,
        "data",1,
        "ddr",1,
        "game",1,
        "kings",1,
        "memory",1,
        "oem",1,
        "pc",1,
        "pin",1,
        "sdram",1,
        "series",1,
        "storm",1,
        "swords",1,
        "system",1,
        "thrones",1,
        "unbuffered",1,
        "v",1,
        "11",0,
        "133",0,
        "19",0,
        "2",0,
        "2.0",0,
        "250",0,
        "256",0,
        "2dhtv",0,
        "2gb",0,
        "300",0,
        "3007wfp",0,
        "500",0,
        "512",0,
        "60",0,
        "8",0,
        "action",0,
        "all",0,
        "amber",0,
        "apple",0,
        "asus",0,
        "ata",0,
        "ati",0,
        "belkin",0,
        "black",0,
        "book",0,
        "british",0,
        "cable",0,
        "canon",0,
        "card",0,
        "cauldron",0,
        "channel",0,
        "characters",0,
        "company",0,
        "cord",0,
        "corsair",0,
        "dell",0,
        "diamondmax",0,
        "display",0,
        "dock",0,
        "dollar",0,
        "drive",0,
        "dual",0,
        "edition",0,
        "encoded",0,
        "ender's",0,
        "enterprise",0,
        "euro",0,
        "extreme",0,
        "falling",0,
        "flat",0,
        "for",0,
        "foundation",0,
        "gb",0,
        "gb18030",0,
        "go",0,
        "greek",0,
        "hard",0,
        "in",0,
        "ipod",0,
        "jhereg",0,
        "kit",0,
        "krone",0,
        "lightning",0,
        "lucene",0,
        "maxtor",0,
        "mb",0,
        "mini",0,
        "mobile",0,
        "monsters",0,
        "mp500",0,
        "n7800gtx",0,
        "nine",0,
        "oh",0,
        "one",0,
        "p120",0,
        "panel",0,
        "pcie",0]},
    "facet_ranges":{},
    "facet_intervals":{},
    "facet_heatmaps":{}}}



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