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  • ElasticSearch安装部署,基本配置(Ubuntu14.04)

    ElasticSearch部署文档(Ubuntu 14.04)

    安装java

    sudo add-apt-repository ppa:webupd8team/java
    sudo apt-get update
    sudo apt-get install oracle-java8-installer
    sudo apt-get install oracle-java8-set-default  
    java -version
    whereis java
    which java (java执行路径)
    echo $JAVA_HOME

    echo $PATH

     

    安装ElasticSearch

    wget -qO - https://packages.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
    echo "deb http://packages.elastic.co/elasticsearch/1.6/debian stable main" | sudo tee -a /etc/apt/sources.list
    sudo apt-get update
    sudo apt-get install elasticsearch
    sudo update-rc.d elasticsearch defaults 95 10

    ElasticSearch各个目录说明

    typedescriptionlocation
    home Home of elasticsearch installation /usr/share/elasticsearch
    bin Binary scripts including elasticsearch to start a node /usr/share/elasticsearch/bin
    conf Configuration files elasticsearch.yml and logging.yml /etc/elasticsearch
    conf Environment variables including heap size,file descriptors /etc/default/elasticsearch
    data The location of the data files /var/lib/elasticsearch/
    logs Log files location /var/log/elasticsearch
    plugins Plugin files location /usr/share/elasticsearch/plugins

    配置

    ES_HEAP_SIZE

    # 在/etc/default/elasticsearch中修改:
    ES_HEAP_SIZE=4g    #不要超过32g,如果整台机器只部署ES,一半内存用于Java heap,另一半给Lucene

    File Descriptors

    cat <<EOF>> /etc/security/limits.conf
    elasticsearch - nofile 65535
    EOF
    
    # 在/etc/default/elasticsearch中修改:
    MAX_OPEN_FILES=65535

    Virtual memory

    cat <<EOF>> /etc/sysctl.conf
    vm.max_map_count=262144
    EOF
    
    sysctl -p

    Memory Settings

    # 在/etc/elasticsearch/elasticsearch.yml中修改:
    bootstrap.mlockall: true
    # 在/etc/default/elasticsearch中修改:
    MAX_LOCKED_MEMORY=unlimited

    其他

    /etc/elasticsearch/elasticsearch.yml中修改:
    
    # 集群名称,同一集群,名称要设置相同
    cluster.name: elasticsearch_production
    # 节点名称
    node.name: elasticsearch_001_data
    
    # 数据路径,可配置多个,英文逗号分开,注意目录的权限,保证elasticsearch用户可写
    path.data: /path/to/data1,/path/to/data2 
    # 日志路径,注意目录的权限,保证elasticsearch用户可写
    path.logs: /path/to/logs
    # 插件路径
    path.plugins: /path/to/plugins
    
    # 该属性是为了形成一个集群,有主节点资格并互相连接的节点的最小数目
    # (number of master-eligible nodes / 2) + 1。 下面的值是在3个有主节点资格的情况下设定
    # 因为节点数,以后可以增加,或者减少,故该配置可以动态修改
    discovery.zen.minimum_master_nodes: 2
    
    # 恢复控制
    gateway.recover_after_nodes: 2
    gateway.expected_nodes: 3
    gateway.recover_after_time: 5m
    
    #关闭多播,用单播。并指定至少一个能接受单播的主机
    discovery.zen.ping.multicast.enabled: false 
    discovery.zen.ping.unicast.hosts: ["192.168.2.1:9300", "192.168.2.2:9300", "192.168.2.3:9300"]

    启动

    sudo /etc/init.d/elasticsearch start
    # 验证上面一些配置是否配置成功
    curl localhost:9200/_nodes/process?pretty

    参考链接

     
     
     
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  • 原文地址:https://www.cnblogs.com/zknublx/p/8057170.html
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