PB级数据实现秒级查询ES的安装

2019 年 10 月 4 日
筆記

什么是ES？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搜索引擎。ElasticSearch用于云计算中，能够达到实时搜索，稳定，可靠，快速，安装使用方便。

本教程使用软件为6.4.3版本

下载

ElasticSearch：

https://www.elastic.co/cn/downloads/elasticsearch

Kibana:

https://www.elastic.co/cn/downloads/kibana

上传至Linux服务器

略

解压并修改配置文件

# 注意：需要使用普通用户操作ES，不可使用root用户进行操作。    #使用root用户，添加用户  #添加用户命令：  [root@hadoop137 ~]# useradd shaofei  [root@hadoop137 ~]# passwd shaofei  更改用户 shaofei的密码 。  新的 密码：  无效的密码： 过于简单化/系统化  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。    #切换为shaofei用户：  [root@hadoop137 ~]# su shaofei  [shaofei@hadoop137 root]$ cd  [shaofei@hadoop137 ~]$    # 解压elasticsearch  [shaofei@hadoop137 softwear]$ tar -zxvf elasticsearch-6.4.3.tar.gz -C ../module/  [shaofei@hadoop137 elasticsearch-6.4.3]$ pwd  /opt/module/elasticsearch-6.4.3    # 修改配置文件  [shaofei@hadoop137 elasticsearch-6.4.3]$ vim config/elasticsearch.yml  # 注意修改yml文件时，配置项后面要空格

elasticsearch.yml

# ======================== Elasticsearch Configuration =========================  #  # NOTE: Elasticsearch comes with reasonable defaults for most settings.  #       Before you set out to tweak and tune the configuration, make sure you  #       understand what are you trying to accomplish and the consequences.  #  # The primary way of configuring a node is via this file. This template lists  # the most important settings you may want to configure for a production cluster.  #  # Please consult the documentation for further information on configuration options:  # https://www.elastic.co/guide/en/elasticsearch/reference/index.html  #  # ---------------------------------- Cluster -----------------------------------  #  # Use a descriptive name for your cluster:  # 修改集群名称  cluster.name: myes  #  # ------------------------------------ Node ------------------------------------  #  # Use a descriptive name for the node:  # 修改当前节点名称——下一步分发到其他集群时需要修改  node.name: hadoop137  #  # Add custom attributes to the node:  #  #node.attr.rack: r1  #  # ----------------------------------- Paths ------------------------------------  #  # Path to directory where to store the data (separate multiple locations by comma):  #  #path.data: /path/to/data  #  # Path to log files:  #  #path.logs: /path/to/logs  #  # ----------------------------------- Memory -----------------------------------  #  # Lock the memory on startup:  #  #bootstrap.memory_lock: true  #  # Make sure that the heap size is set to about half the memory available  # on the system and that the owner of the process is allowed to use this  # limit.  #  # Elasticsearch performs poorly when the system is swapping the memory.  #  # ---------------------------------- Network -----------------------------------  #  # Set the bind address to a specific IP (IPv4 or IPv6):  # 当前节点的ip地址，我这里配置了hosts文件所以写了主机名称——下一步分发之后需要修改为对应主机的ip地址  network.host: hadoop137  #  # Set a custom port for HTTP:  # ES对外开放服务的端口号  http.port: 9200  #  # For more information, consult the network module documentation.  #  # --------------------------------- Discovery ----------------------------------  #  # Pass an initial list of hosts to perform discovery when new node is started:  # The default list of hosts is ["127.0.0.1", "[::1]"]  #  #discovery.zen.ping.unicast.hosts: ["host1", "host2"]  #  # Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):  #  #discovery.zen.minimum_master_nodes:  #  # For more information, consult the zen discovery module documentation.  #  # ---------------------------------- Gateway -----------------------------------  #  # Block initial recovery after a full cluster restart until N nodes are started:  #  #gateway.recover_after_nodes: 3  #  # For more information, consult the gateway module documentation.  #  # ---------------------------------- Various -----------------------------------  #  # Require explicit names when deleting indices:  #  #action.destructive_requires_name: true    #添加集群ip地址  discovery.zen.ping.unicast.hosts: ["192.168.23.137", "192.168.23.138", "192.168.23.139"]

分发各个集群中的其他主机

[shaofei@hadoop137 module]$ rsync -rvl elasticsearch-6.4.3 shaofei@hadoop138:`pwd`  [shaofei@hadoop137 module]$ rsync -rvl elasticsearch-6.4.3 shaofei@hadoop139:`pwd`

分别启动集群中的ES

[shaofei@hadoop137 elasticsearch-6.4.3]$ ./bin/elasticsearch    [shaofei@hadoop138 elasticsearch-6.4.3]$ ./bin/elasticsearch    [shaofei@hadoop139 elasticsearch-6.4.3]$ ./bin/elasticsearch

启动中遇到的问题：

ERROR: [4] bootstrap checks failed [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] [2]: max number of threads [1024] for user [shaofei] is too low, increase to at least [4096] [3]: max virtual memory areas vm.maxmapcount [65530] is too low, increase to at least [262144]

对于第【1】个问题：  [root@hadoop139 shaofei]# vi /etc/security/limits.conf  末尾添加：  # End of file    * soft nofile 65536    * hard nofile 131072    * soft nproc 2048    * hard nproc 4096    对于第【2】个问题：  [root@hadoop139 shaofei]# vim /etc/security/limits.d/90-nproc.conf  修改：  [root@hadoop139 shaofei]# cat /etc/security/limits.d/90-nproc.conf  # Default limit for number of user's processes to prevent  # accidental fork bombs.  # See rhbz #432903 for reasoning.      *          soft    nproc     10240  root       soft    nproc     unlimited      # 重新登陆用户即可    对于第【3】个问题：  vi /etc/sysctl.conf  添加下面配置：  vm.max_map_count=655360    并执行命令：  sysctl -p

java.lang.UnsupportedOperationException: seccomp unavailable: CONFIGSECCOMP not compiled into kernel, CONFIGSECCOMP and CONFIGSECCOMPFILTER are needed

# 修改elasticsearch.yml 添加一下内容    bootstrap.memory_lock: false  bootstrap.system_call_filter: false

问题解决之后重新启动es即可。

启动成功

访问：http://ip:9200

安装kibana

下载安装包
解压
修改配置文件

kibana.yml

# Kibana is served by a back end server. This setting specifies the port to use. # 配置端口 server.port: 5601 # Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values. # The default is 'localhost', which usually means remote machines will not be able to connect. # To allow connections from remote users, set this parameter to a non-loopback address. # 配置主机ip server.host: "hadoop137" # Enables you to specify a path to mount Kibana at if you are running behind a proxy. # Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath # from requests it receives, and to prevent a deprecation warning at startup. # This setting cannot end in a slash. #server.basePath: "" # Specifies whether Kibana should rewrite requests that are prefixed with # `server.basePath` or require that they are rewritten by your reverse proxy. # This setting was effectively always `false` before Kibana 6.3 and will # default to `true` starting in Kibana 7.0. #server.rewriteBasePath: false # The maximum payload size in bytes for incoming server requests. #server.maxPayloadBytes: 1048576 # The Kibana server's name. This is used for display purposes. #server.name: "your-hostname" # The URL of the Elasticsearch instance to use for all your queries. #配置elasticsearch的访问 elasticsearch.url: "http://hadoop137:9200" # When this setting's value is true Kibana uses the hostname specified in the server.host # setting. When the value of this setting is false, Kibana uses the hostname of the host # that connects to this Kibana instance. #elasticsearch.preserveHost: true # Kibana uses an index in Elasticsearch to store saved searches, visualizations and # dashboards. Kibana creates a new index if the index doesn't already exist. #kibana.index: ".kibana" # The default application to load. #kibana.defaultAppId: "home" # If your Elasticsearch is protected with basic authentication, these settings provide # the username and password that the Kibana server uses to perform maintenance on the Kibana # index at startup. Your Kibana users still need to authenticate with Elasticsearch, which # is proxied through the Kibana server. #elasticsearch.username: "user" #elasticsearch.password: "pass" # Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively. # These settings enable SSL for outgoing requests from the Kibana server to the browser. #server.ssl.enabled: false #server.ssl.certificate: /path/to/your/server.crt #server.ssl.key: /path/to/your/server.key # Optional settings that provide the paths to the PEM-format SSL certificate and key files. # These files validate that your Elasticsearch backend uses the same key files. #elasticsearch.ssl.certificate: /path/to/your/client.crt #elasticsearch.ssl.key: /path/to/your/client.key # Optional setting that enables you to specify a path to the PEM file for the certificate # authority for your Elasticsearch instance. #elasticsearch.ssl.certificateAuthorities: [ "/path/to/your/CA.pem" ] # To disregard the validity of SSL certificates, change this setting's value to 'none'. #elasticsearch.ssl.verificationMode: full # Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of # the elasticsearch.requestTimeout setting. #elasticsearch.pingTimeout: 1500 # Time in milliseconds to wait for responses from the back end or Elasticsearch. This value # must be a positive integer. #elasticsearch.requestTimeout: 30000 # List of Kibana client-side headers to send to Elasticsearch. To send *no* client-side # headers, set this value to [] (an empty list). #elasticsearch.requestHeadersWhitelist: [ authorization ] # Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten # by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration. #elasticsearch.customHeaders: {} # Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable. #elasticsearch.shardTimeout: 30000 # Time in milliseconds to wait for Elasticsearch at Kibana startup before retrying. #elasticsearch.startupTimeout: 5000 # Logs queries sent to Elasticsearch. Requires logging.verbose set to true. #elasticsearch.logQueries: false # Specifies the path where Kibana creates the process ID file. #pid.file: /var/run/kibana.pid # Enables you specify a file where Kibana stores log output. #logging.dest: stdout # Set the value of this setting to true to suppress all logging output. #logging.silent: false # Set the value of this setting to true to suppress all logging output other than error messages. #logging.quiet: false # Set the value of this setting to true to log all events, including system usage information # and all requests. #logging.verbose: false # Set the interval in milliseconds to sample system and process performance # metrics. Minimum is 100ms. Defaults to 5000. #ops.interval: 5000 # The default locale. This locale can be used in certain circumstances to substitute any missing # translations. #i18n.defaultLocale: "en"

访问：http://hadoop137:5601/ 即可验证是否成功