【ElasticSearch】集群搭建

集群名称:YCXESClusterName
主节点名称:YCXESNodeMaster  192.168.1.35
从节点名称:YCXESNodeSlave    192.168.1.36

直接搭建 和 docker搭建

1、Elasticsearch

下载地址:https://www.elastic.co/cn/downloads/past-releases/elasticsearch-7-10-0

主节点

# 集群名称必须相同
cluster.name: YCXESClusterName
# 节点名称
node.name: YCXESNodeMaster
# 是否是master节点
node.master: true
# 是否允许该节点存储索引数据
node.data: true
# 绑定地址
network.host: 0.0.0.0
# http端口
http.port: 9200
# 集群主机列表
discovery.seed_hosts: ["192.168.1.35:9300","192.168.1.36:9300"]
# 启动全新的集群时需要此参数,再次重新启动时此参数可免
cluster.initial_master_nodes: ["YCXESNodeMaster"]
# 是否开启跨域访问
http.cors.enabled: true
# 开启跨域访问后的地址限制,*表示无限制
http.cors.allow-origin: "*"

从节点

# 集群名称必须相同
cluster.name: YCXESClusterName
# 节点名称
node.name: YCXESNodeSlave
# 是否是master节点
node.master: false
# 是否允许该节点存储索引数据
node.data: true
# 绑定地址
network.host: 0.0.0.0
# http端口
http.port: 9200
# 集群主机列表
discovery.seed_hosts: ["192.168.1.35:9300","192.168.1.36:9300"]
# 启动全新的集群时需要此参数,再次重新启动时此参数可免
cluster.initial_master_nodes: ["YCXESNodeMaster"]
# 是否开启跨域访问
http.cors.enabled: true
# 开启跨域访问后的地址限制,*表示无限制
http.cors.allow-origin: "*"

设置用户和组

# 设置用户和组 异常: can not run elasticsearch as root
groupadd es
useradd es -g es
passwd es
chown -R es:es elasticsearch-7.10.0
su es

常见错误

1、异常: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
解决: 
vim /etc/security/limits.conf
追加
*               soft    nofile          65536
*               hard    nofile          65536
退出重新登录后查看
ulimit -Sn
ulimit -Hn

2、异常: max number of threads [3818] for user [es] is too low, increase to at least [4096]
解决: 
vim /etc/security/limits.conf
追加
*               soft    nproc           4096
*               hard    nproc           4096
退出重新登录后查看
ulimit -Sn
ulimit -Hn

3、异常: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
解决: 
vim /etc/sysctl.conf
vm.max_map_count=655360
生效
sysctl -p

4、异常: Exception in thread "main" java.nio.file.AccessDeniedException: /usr/local/elasticsearch/elasticsearch-6.2.2-1/config/jvm.options
elasticsearch用户没有该文件夹的权限,执行命令
chown -R es:es /ycx/elasticsearch/

2、Kibana

下载地址:https://www.elastic.co/cn/downloads/past-releases/kibana-7-10-0

编辑 conf/kibana.yml

server.host: "192.168.1.35"
elasticsearch.hosts: ["http://192.168.1.35:9200"]

3、Logstash

下载地址:https://www.elastic.co/cn/downloads/past-releases/logstash-7-10-0

 

原文地址:https://www.cnblogs.com/yangchongxing/p/15145397.html