安装方式大概分为两种:
- 自行编译;
- 使用elasticsearch-rtf版,利用别人编译好的文件进行安装;
环境说明:
我下载的es版本是:elasticsearch-1.7.4.tar.gz,这里我是用的ik版本是elasticsearch-rtf-1.0.0.zip解压后得到的elasticsearch-analysis-ik-1.2.6.jar文件。
方式一:自行编译
自行编译的步骤如下:
- 到https://github.com/medcl/elasticsearch-analysis-ik页面下载elasticsearch-analysis-ik-x.x.x.zip压缩包;
- 解压elasticsearch-analysis-ik-x.x.x.zip,然后进行elasticsearch-analysis-ik-x.x.x目录;
- 使用maven进行打包,得到elasticsearch-analysis-ik-x.x.x.jar(然而我并不会使用maven进行打包,所以我没用这种方式);
- 进行elasticsearch-1.7.4/plugins目录,创建目录analysis-ik,并把你编译好的elasticsearch-analysis-ik-x.x.x.jar放置到此目录;
- 将你下载的elasticsearch-analysis-ik-x.x.x.zip解压后的config目录下的ik目录复制到elasticsearch-1.7.4/config目录;
- 配置elasticsearch-1.7.4/config目录下的elasticsearch.yml文件,在文件尾部加入如下代码:
index:
analysis:
analyzer:
ik:
alias: [ik_analyzer]
type: org.elasticsearch.index.analysis.IkAnalyzerProvider
ik_max_word:
type: ik
use_smart: false
ik_smart:
type: ik
use_smart: true
或简单配置:
index.analysis.analyzer.ik.type : "ik"
7.重新启动es;
方式二:使用elasticsearch-rtf版,利用别人编译好的文件进行安装
我使用的就是这种方式,第一种方式我并没有进行测试,所以暂时不保证正确,着重说明一下第二种方式,步骤如下:
- 到这里https://github.com/medcl/elasticsearch-rtf/releases下载rtf版的es,我下载的是elasticsearch-rtf-1.0.0.zip;
- 解压elasticsearch-rtf-1.0.0.zip压缩包;
- 将elasticsearch-rtf-1.0.0/plugins/analysis-ik目录,复制到elasticsearch-1.7.4/plugins得到elasticsearch-1.7.4/plugins/analysis-ik;
- 将elasticsearch-rtf-1.0.0/config/ik复制到elasticsearch-1.7.4/config/得到elasticsearch-1.7.4/config/ik;
- 编辑elasticsearch-1.7.4/config/elasticsearch.yml文件,在文件尾部加入以下内容:
index:
analysis:
analyzer:
ik:
alias: [ik_analyzer]
type: org.elasticsearch.index.analysis.IkAnalyzerProvider
ik_max_word:
type: ik
use_smart: false
ik_smart:
type: ik
use_smart: true
或简单配置:
index.analysis.analyzer.ik.type : "ik"
6.重新启动es;
测试(我在第二种安装方式下进行的测试):
创建索引:
curl -XPUT http://localhost:9200/index
创建映射:
curl -XPOST http://localhost:9200/index/fulltext/_mapping -d'
{
"fulltext": {
"_all": {
"analyzer": "ik_max_word",
"search_analyzer": "ik_max_word",
"term_vector": "no",
"store": "false"
},
"properties": {
"content": {
"type": "string",
"store": "no",
"term_vector": "with_positions_offsets",
"analyzer": "ik_max_word",
"search_analyzer": "ik_max_word",
"include_in_all": "true",
"boost": 8
}
}
}
}'
为索引添加一些内容:
curl -XPOST http://localhost:9200/index/fulltext/1 -d'
{"content":"美国留给伊拉克的是个烂摊子吗"}
'
curl -XPOST http://localhost:9200/index/fulltext/2 -d'
{"content":"公安部:各地校车将享最高路权"}
'
curl -XPOST http://localhost:9200/index/fulltext/3 -d'
{"content":"中韩渔警冲突调查:韩警平均每天扣1艘中国渔船"}
'
curl -XPOST http://localhost:9200/index/fulltext/4 -d'
{"content":"中国驻洛杉矶领事馆遭亚裔男子枪击 嫌犯已自首"}
'
进行高亮查询:
curl -XPOST http://localhost:9200/index/fulltext/_search -d'
{
"query" : { "term" : { "content" : "中国" }},
"highlight" : {
"pre_tags" : ["<tag1>", "<tag2>"],
"post_tags" : ["</tag1>", "</tag2>"],
"fields" : {
"content" : {}
}
}
}
'
查询结果:
{"took":31,"timed_out":false,"_shards":{"total":5,"successful":5,"failed":0},"hits":{"total":2,"max_score":0.61370564,"hits":[{"_index":"index","_type":"fulltext","_id":"4","_score":0.61370564,"_source":
{"content":"中国驻洛杉矶领事馆遭亚裔男子枪击 嫌犯已自首"}
,"highlight":{"content":["<tag1>中国</tag1>驻洛杉矶领事馆遭亚裔男子枪击 嫌犯已自首"]}},{"_index":"index","_type":"fulltext","_id":"3","_score":0.61370564,"_source":
{"content":"中韩渔警冲突调查:韩警平均每天扣1艘中国渔船"}
,"highlight":{"content":["中韩渔警冲突调查:韩警平均每天扣1艘<tag1>中国</tag1>渔船"]}}]}}
或者你可以直接在浏览器地址栏进行测试:http://localhost:9200/index/_analyze?analyzer=ik&pretty=true&text=%E6%88%91%E6%98%AF%E4%B8%AD%E5%9B%BD%E4%BA%BA;
注意:如果你的版本不对应,可能会出现如下错误:
{"error":"IndexCreationException[[index] failed to create index]; nested: ElasticsearchIllegalArgumentException[failed to find analyzer type [ik] or tokenizer for [ik_max_word]]; nested: NoClassSettingsException[Failed to load class setting [type] with value [ik]]; nested: ClassNotFoundException[org.elasticsearch.index.analysis.ik.IkAnalyzerProvider]; ","status":400}
参考文章:
- http://samchu.logdown.com/posts/277928-elasticsearch-chinese-word-segmentation;
- https://github.com/medcl/elasticsearch-analysis-ik;
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