elasticsearch 支持中英文搜索和混合搜索
环境： ubuntu16.04 安装: elasticsearch 5.22 1. 第一步，安装javaapt-get install default-jreapt-get install default-jdk 2.第二步，安装elasticsearch. 5.22wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.2.2.debdpkg -i elasticsearch-5.2.2.deb 3.启动服务systemctl daemon-reloadsystemctl enable elasticsearchsystemctl restart elasticsearch 碰到问题：[2018-07-02 18:36:32,700][INFO ][node ] [Captain Fate] version[1.7.3], pid[25545], build[NA/NA][2018-07-02 18:36:32,701][INFO ][node ] [Captain Fate] initializing ...[2018-07-02 18:36:32,900][INFO ][plugins ] [Captain Fate] loaded [], sites [][2018-07-02 18:36:32,930][INFO ][env ] [Captain Fate] using [1] data paths, mounts [[/ (/dev/vda1)]], net usable_space [27gb], net total_space [39.2gb], types [ext4][2018-07-02 18:36:35,634][WARN ][common.network ] failed to resolve local host, fallback to loopbackjava.net.UnknownHostException: iZhp3ig1mh8lh6acp6sx0xZ: iZhp3ig1mh8lh6acp6sx0xZ: Name or service not known at java.net.InetAddress.getLocalHost(InetAddress.java:1505) at org.elasticsearch.common.network.NetworkUtils.<clinit>(NetworkUtils.java:55) at org.elasticsearch.http.netty.NettyHttpServerTransport.<init>(NettyHttpServerTransport.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)修改etc/hosts文件，加上你自己的hostname里面的值127.0.0.1 localhost iZhp3ig1mh8lh6acp6sx0xZ4.验证是否成功curl -XGET "http://localhost:9200" 5.注意的几点： a.新建用户elasticsearch useradd elasitcsearch b.让上面的用户拥有目录：/usr/share/elasticsearch 的权限 chown elasitcsearch:elasitcsearch /usr/share/elasticsearch chown -R 777 /usr/share/elasticsearch sudo chown -R elsearch:elsearch /etc/elasticsearch sudo chmod -R 775 /etc/elasticsearch/ 6.添加支持中文分词的插件等，所有插件，必须和elasticsearch版本一致，下载解压到/usr/share/elasticsearch/plugins目录下面，名字如下=命名： 7.启动的时候可以切换到目录/usr/share/elasticsearch/bin/ . 直接执行./elasticsearch 就可以进行启动了 需要的插件地址都可以在这里找到：https://github.com/medcl 下载如下 elasticsearch-5.2.2.deb elasticsearch-analysis-stconvert-5.2.2.zip elasticsearch-analysis-ik-5.2.2.zip kibana-5.2.2-amd64.deb 问题： 1、Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x0000000085330000, 2060255232, 0) failed; error='Cannot allocate memory' (errno=12) 由于elasticsearch5.0默认分配jvm空间大小为2g，修改jvm空间分配 # vim config/jvm.options -Xms2g -Xmx2g 修改为 -Xms512m -Xmx512m 2.Exception in thread "main" org.elasticsearch.bootstrap.BootstrapException: java.nio.file.NoSuchF ileException: /usr/share/elasticsearch/config 解决方法：cp -R /etc/elasticsearch/* ./config/ Likely root cause: java.nio.file.NoSuchFileException: /usr/share/elasticsearch/config
