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Elasticsearch学习笔记之CentOS6.5搭建Elasticsearch6.2.2服务(Dean)
- 博客分类：
- 运维工具
本文主要讲解 Elasticsearch6.2.2的安装过程。
Elasticsearch 是一个分布式、可扩展、实时的搜索与数据分析引擎。 它能从项目一开始就赋予你的数据以搜索、分析和探索的能力，可用于实现全文搜索和实时数据统计。
1.检查Java版本，目前版本 6.9 的可安装版需要Java 8
2.安装ES
打开ES官网https://www.elastic.co/guide/en/elasticsearch/reference/current/install-elasticsearch.html
A-下载es
B-解压tar
3.创建ES用户
默认ES 是不允许root用户运行的，所以我们需要创建新的用户。
4.修改ES文件的权限
5.启动ES
验证一下服务是否正常
6.外网访问权限
此时ES还是内网可访问，外网访问需要修改配置文件elasticsearch.yml
7.先杀死ES进程
8.修改配置文件elasticsearch.yml
9.重新运行ES会报错
按照错误提示信息改上面描述的四点就行，注意要用ROOT身份修改配置文件，执行。
1.[1]: max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
修改
编辑 /etc/security/limits.conf，追加以下内容；
* soft nofile 65536
* hard nofile 65536
此文件修改后需要重新登录用户，才会生效
2.[2]: max number of threads [1024] for user [es] is too low, increase to at least [4096]
我的是1024全部改成4096
3.[3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
4.[4]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
Centos6不支持SecComp，而ES6.2.0默认bootstrap.system_call_filter为true
禁用：在elasticsearch.yml中配置bootstrap.system_call_filter为false，注意要在Memory下面:
10.修改完重启ES即可
测试IP访问：
11.安装中文分词插件，直接下载解压到plugins文件夹下，注意解压完吧压缩包删掉
[es@iZbp10nfd0w1yzy8wzol8bZ elasticsearch-6.2.2]$ cd plugins/
[es@iZbp10nfd0w1yzy8wzol8bZ plugins]$ wget https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.2.2/elasticsearch-analysis-ik-6.2.2.zip
[es@ plugins]$ unzip elasticsearch-analysis-ik-6.2.2.zip
[es@iZbp10nfd0w1yzy8wzol8bZ plugins]$ rm -r elasticsearch-analysis-ik-6.2.2.zip
最后记得重启ES
Elasticsearch 是一个分布式、可扩展、实时的搜索与数据分析引擎。 它能从项目一开始就赋予你的数据以搜索、分析和探索的能力，可用于实现全文搜索和实时数据统计。
1.检查Java版本，目前版本 6.9 的可安装版需要Java 8
[ home]$ java -version openjdk version "1.8.0_171" OpenJDK Runtime Environment (build 1.8.0_171-b10) OpenJDK 64-Bit Server VM (build 25.171-b10, mixed mode)
2.安装ES
打开ES官网https://www.elastic.co/guide/en/elasticsearch/reference/current/install-elasticsearch.html
A-下载es
[root@ home]# wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.2.2.tar.gz
B-解压tar
[root@ home]# tar -xzf elasticsearch-6.2.2.tar.gz [root@ elasticsearch-6.2.2]# ls bin config lib LICENSE.txt logs modules NOTICE.txt plugins README.textile
3.创建ES用户
默认ES 是不允许root用户运行的，所以我们需要创建新的用户。
[root@elasticsearch-6.2.2]# groupadd es [root@elasticsearch-6.2.2]# useradd es -g es [root@elasticsearch-6.2.2]# passwd es 更改用户 es 的密码 。 新的 密码： 无效的密码： 它基于字典单词 无效的密码： 过于简单 重新输入新的 密码： passwd： 所有的身份验证令牌已经成功更新
4.修改ES文件的权限
[root@ elasticsearch-6.2.2]# cd .. [root@ home]# ls [root@ home]# chown -R es:es elasticsearch-6.2.2 [root@ home]# su es [es@ home]$ cd elasticsearch-6.2.2
5.启动ES
[es@ elasticsearch-6.2.2]$ ./bin/elasticsearch &
[1] 23167
[es@ elasticsearch-6.2.2]$ [2019-10-29T11:28:30,316][WARN ][o.e.b.JNANatives ] unable to install syscall filter:
java.lang.UnsupportedOperationException: seccomp unavailable: CONFIG_SECCOMP not compiled into kernel, CONFIG_SECCOMP and CONFIG_SECCOMP_FILTER are needed
at org.elasticsearch.bootstrap.SystemCallFilter.linuxImpl(SystemCallFilter.java:341) ~[elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.SystemCallFilter.init(SystemCallFilter.java:616) ~[elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.JNANatives.tryInstallSystemCallFilter(JNANatives.java:258) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Natives.tryInstallSystemCallFilter(Natives.java:113) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:110) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:172) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:323) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-6.2.2.jar:6.2.2]
at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-6.2.2.jar:6.2.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:85) [elasticsearch-6.2.2.jar:6.2.2]
[2019-10-29T11:28:30,511][INFO ][o.e.n.Node ] [] initializing ...
[2019-10-29T11:28:30,626][INFO ][o.e.e.NodeEnvironment ] [zru1FRz] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [166.9gb], net total_space [196.7gb], types [rootfs]
[2019-10-29T11:28:30,626][INFO ][o.e.e.NodeEnvironment ] [zru1FRz] heap size [1007.3mb], compressed ordinary object pointers [true]
[2019-10-29T11:28:30,628][INFO ][o.e.n.Node ] node name [zru1FRz] derived from node ID [zru1FRz6R6GMKJkXYUYjPQ]; set [node.name] to override
[2019-10-29T11:28:30,628][INFO ][o.e.n.Node ] version[6.2.2], pid[23167], build[10b1edd/2018-02-16T19:01:30.685723Z], OS[Linux/2.6.32-696.16.1.el6.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_171/25.171-b10]
[2019-10-29T11:28:30,628][INFO ][o.e.n.Node ] JVM arguments [-Xms1g, -Xmx1g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -XX:-OmitStackTraceInFastThrow, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Djava.io.tmpdir=/tmp/elasticsearch.2rtu8FfL, -XX:+HeapDumpOnOutOfMemoryError, -XX:+PrintGCDetails, -XX:+PrintGCDateStamps, -XX:+PrintTenuringDistribution, -XX:+PrintGCApplicationStoppedTime, -Xloggc:logs/gc.log, -XX:+UseGCLogFileRotation, -XX:NumberOfGCLogFiles=32, -XX:GCLogFileSize=64m, -Des.path.home=/home/elasticsearch-6.2.2, -Des.path.conf=/home/elasticsearch-6.2.2/config]
[2019-10-29T11:28:31,527][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [aggs-matrix-stats]
[2019-10-29T11:28:31,527][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [analysis-common]
[2019-10-29T11:28:31,527][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [ingest-common]
[2019-10-29T11:28:31,527][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [lang-expression]
[2019-10-29T11:28:31,528][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [lang-mustache]
[2019-10-29T11:28:31,528][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [lang-painless]
[2019-10-29T11:28:31,528][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [mapper-extras]
[2019-10-29T11:28:31,528][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [parent-join]
[2019-10-29T11:28:31,529][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [percolator]
[2019-10-29T11:28:31,529][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [rank-eval]
[2019-10-29T11:28:31,529][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [reindex]
[2019-10-29T11:28:31,529][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [repository-url]
[2019-10-29T11:28:31,529][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [transport-netty4]
[2019-10-29T11:28:31,529][INFO ][o.e.p.PluginsService ] [zru1FRz] loaded module [tribe]
[2019-10-29T11:28:31,530][INFO ][o.e.p.PluginsService ] [zru1FRz] no plugins loaded
[2019-10-29T11:28:34,567][INFO ][o.e.d.DiscoveryModule ] [zru1FRz] using discovery type [zen]
[2019-10-29T11:28:35,174][INFO ][o.e.n.Node ] initialized
[2019-10-29T11:28:35,174][INFO ][o.e.n.Node ] [zru1FRz] starting ...
[2019-10-29T11:28:35,347][INFO ][o.e.t.TransportService ] [zru1FRz] publish_address {127.0.0.1:9300}, bound_addresses {127.0.0.1:9300}
[2019-10-29T11:28:35,366][WARN ][o.e.b.BootstrapChecks ] [zru1FRz] max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
[2019-10-29T11:28:35,367][WARN ][o.e.b.BootstrapChecks ] [zru1FRz] max number of threads [1024] for user [es] is too low, increase to at least [4096]
[2019-10-29T11:28:35,367][WARN ][o.e.b.BootstrapChecks ] [zru1FRz] max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[2019-10-29T11:28:35,367][WARN ][o.e.b.BootstrapChecks ] [zru1FRz] system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
[2019-10-29T11:28:38,445][INFO ][o.e.c.s.MasterService ] [zru1FRz] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {zru1FRz}{zru1FRz6R6GMKJkXYUYjPQ}{W_tsMsdfRMSszUPdBQQGHw}{127.0.0.1}{127.0.0.1:9300}
[2019-10-29T11:28:38,452][INFO ][o.e.c.s.ClusterApplierService] [zru1FRz] new_master {zru1FRz}{zru1FRz6R6GMKJkXYUYjPQ}{W_tsMsdfRMSszUPdBQQGHw}{127.0.0.1}{127.0.0.1:9300}, reason: apply cluster state (from master [master {zru1FRz}{zru1FRz6R6GMKJkXYUYjPQ}{W_tsMsdfRMSszUPdBQQGHw}{127.0.0.1}{127.0.0.1:9300} committed version [1] source [zen-disco-elected-as-master ([0] nodes joined)]])
[2019-10-29T11:28:38,500][INFO ][o.e.h.n.Netty4HttpServerTransport] [zru1FRz] publish_address {127.0.0.1:9200}, bound_addresses {127.0.0.1:9200}
[2019-10-29T11:28:38,501][INFO ][o.e.n.Node ] [zru1FRz] started
[2019-10-29T11:28:38,509][INFO ][o.e.g.GatewayService ] [zru1FRz] recovered [0] indices into cluster_state
验证一下服务是否正常
[es@ elasticsearch-6.2.2]$ curl -i "http://localhost:9200"
HTTP/1.1 200 OK
content-type: application/json; charset=UTF-8
content-length: 435
{
"name" : "zru1FRz",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "I4jRESDLSnKgGzfw845C6w",
"version" : {
"number" : "6.2.2",
"build_hash" : "10b1edd",
"build_date" : "2018-02-16T19:01:30.685723Z",
"build_snapshot" : false,
"lucene_version" : "7.2.1",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
},
"tagline" : "You Know, for Search"
}
6.外网访问权限
此时ES还是内网可访问，外网访问需要修改配置文件elasticsearch.yml
[es@ elasticsearch-6.2.2]$ curl -i "http://xx.xx.xx.xx:9200" curl: (7) couldn't connect to host
7.先杀死ES进程
[es@ elasticsearch-6.2.2]$ ps -ef | grep elastic [es@ elasticsearch-6.2.2]$ kill -9 23616
8.修改配置文件elasticsearch.yml
[es@ elasticsearch-6.2.2]$ vim config/elasticsearch.yml network.host: 0.0.0.0 #主机地址，这里写本机IP http.port: 9200 #端口
9.重新运行ES会报错
[2019-10-29T12:46:29,281][INFO ][o.e.n.Node ] initialized
[2019-10-29T12:46:29,281][INFO ][o.e.n.Node ] [zru1FRz] starting ...
[2019-10-29T12:46:29,453][INFO ][o.e.t.TransportService ] [zru1FRz] publish_address {127.0.0.1:9300}, bound_addresses {0.0.0.0:9300}
[2019-10-29T12:46:29,464][INFO ][o.e.b.BootstrapChecks ] [zru1FRz] bound or publishing to a non-loopback address, enforcing bootstrap checks
ERROR: [4] bootstrap checks failed
[1]: max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
[2]: max number of threads [1024] for user [es] is too low, increase to at least [4096]
[3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[4]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
[2019-10-29T12:46:29,474][INFO ][o.e.n.Node ] [zru1FRz] stopping ...
[2019-10-29T12:46:29,512][INFO ][o.e.n.Node ] [zru1FRz] stopped
[2019-10-29T12:46:29,513][INFO ][o.e.n.Node ] [zru1FRz] closing ...
[2019-10-29T12:46:29,529][INFO ][o.e.n.Node ] [zru1FRz] closed
按照错误提示信息改上面描述的四点就行，注意要用ROOT身份修改配置文件，执行。
1.[1]: max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
修改
编辑 /etc/security/limits.conf，追加以下内容；
* soft nofile 65536
* hard nofile 65536
此文件修改后需要重新登录用户，才会生效
[root@ home]# sudo vim /etc/security/limits.conf 最后面加上 * soft nofile 65536 * hard nofile 65536
2.[2]: max number of threads [1024] for user [es] is too low, increase to at least [4096]
vim /etc/security/limits.d/90-nproc.conf soft nproc 2048
我的是1024全部改成4096
3.[3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[root@ home]# sudo vim /etc/sysctl.conf 编辑 /etc/sysctl.conf，追加以下内容： vm.max_map_count=655360 保存后，执行： sysctl -p 重新启动，成功。
4.[4]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
Centos6不支持SecComp，而ES6.2.0默认bootstrap.system_call_filter为true
禁用：在elasticsearch.yml中配置bootstrap.system_call_filter为false，注意要在Memory下面:
[es@ elasticsearch-6.2.2]$ vim config/elasticsearch.yml bootstrap.memory_lock: false bootstrap.system_call_filter: false
10.修改完重启ES即可
[es@ elasticsearch-6.2.2]$ ./bin/elasticsearch &
测试IP访问：
[es@iZbp10nfd0w1yzy8wzol8bZ elasticsearch-6.2.2]$ curl -i "http://xx.xx.xx.xx:9200"
HTTP/1.1 200 OK
content-type: application/json; charset=UTF-8
content-length: 435
{
"name" : "zru1FRz",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "I4jRESDLSnKgGzfw845C6w",
"version" : {
"number" : "6.2.2",
"build_hash" : "10b1edd",
"build_date" : "2018-02-16T19:01:30.685723Z",
"build_snapshot" : false,
"lucene_version" : "7.2.1",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
},
"tagline" : "You Know, for Search"
}
11.安装中文分词插件，直接下载解压到plugins文件夹下，注意解压完吧压缩包删掉
[es@iZbp10nfd0w1yzy8wzol8bZ elasticsearch-6.2.2]$ cd plugins/
[es@iZbp10nfd0w1yzy8wzol8bZ plugins]$ wget https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.2.2/elasticsearch-analysis-ik-6.2.2.zip
[es@ plugins]$ unzip elasticsearch-analysis-ik-6.2.2.zip
[es@iZbp10nfd0w1yzy8wzol8bZ plugins]$ rm -r elasticsearch-analysis-ik-6.2.2.zip
最后记得重启ES
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ssh-add 提示Permissions 0777 for '~/.ssh/id_rsa' are too open
2019-05-13 01:21 1259当加载 ssh-add 一个老key不成功的时候 bash-3 ... -
Redis的Test replication partial resync: ok psync (diskless: yes, reconnect: 1)
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Elasticsearch是一个基于Lucene的搜索服务器。它提供了一个分布式多用户能力的全文搜索引擎，基于RESTful web接口。Elasticsearch是用Java语言开发的，并作为Apache许可条款下的开放源码发布，是一种流行的企业级...
ElasticSearch是一个基于Lucene的搜索服务器。它提供了一个分布式多用户能力的全文搜索引擎，基于RESTful web接口。Elasticsearch是用Java开发的，并作为Apache许可条款下的开放源码发布，是当前流行的企业级搜索...
elasticsearch-analysis-ik-6.2.2,中文分词器，它是针对elasticsearch6.2.2进行使用，/安装路径/elasticsearch-6.2.2/plugins/下面然后解压，bin/elasticsearch重启，显示[node-185] loaded plugin [analysis-ik]
Elastic Search学习笔记
springboot中的spring-data-elasticsearch只支持到6.2.2版本。Elasticsearch是一个基于Lucene的搜索服务器。它提供了一个分布式多用户能力的全文搜索引擎，基于RESTful web接口。Elasticsearch是用Java语言开发的，...