转载自:https://mp.weixin.qq.com/s?__biz=MzUyNzk0NTI4MQ==&mid=2247483816&idx=1&sn=bfaf70613bcb775ccf5d40c2871a05a8&chksm=fa769a86cd011390f22ff178071a580a8f17791e57166dfc8463984a5613c11875ef2ebb2ad7&mpshare=1&scene=1&srcid=11253n8AXjLegAeaoHiCssEs&sharer_sharetime=1574686178097&sharer_shareid=6ec87ec9a11a0c18d61cde7663a9ef87#rd

基于ElasticSearch多实例架构,实现资源合理分配、冷热数据分离。

ES多实例部署,将不同热度的数据存在不同的磁盘上,实现了数据冷热分离、资源合理分配。

在一个集群中部署多个ES实例,来实现资源合理分配。例如data服务器存在SSD与SAS硬盘,可以将热数据存放到SSD,而冷数据存放到SAS,实现数据冷热分离。

192.168.1.51 elasticsearch-data部署双实例

索引迁移

(此步不能忽略):将192.168.1.51上的索引放到其它2台data节点上

    curl -X PUT "192.168.1.31:9200/*/_settings?pretty" -H 'Content-Type: application/json' -d'
{
"index.routing.allocation.include._ip": "192.168.1.52,192.168.1.53"
}'

确认当前索引存储位置

确认所有索引不在192.168.1.51节点上

    curl "http://192.168.1.31:9200/_cat/shards?h=n"

停掉192.168.1.51的进程,修改目录结构及配置:请自行按SSD和SAS硬盘挂载好数据盘

    # 安装包下载和部署请参考第一篇《EFK-1: 快速指南》

    cd /opt/software/

    tar -zxvf elasticsearch-7.3.2-linux-x86_64.tar.gz

    mv /opt/elasticsearch /opt/elasticsearch-SAS

    mv elasticsearch-7.3.2 /opt/

    mv /opt/elasticsearch-7.3.2 /opt/elasticsearch-SSD

    chown elasticsearch.elasticsearch /opt/elasticsearch-* -R

    rm -rf /data/SAS/*

    chown elasticsearch.elasticsearch /data/* -R

    mkdir -p /opt/logs/elasticsearch-SAS

    mkdir -p /opt/logs/elasticsearch-SSD

    chown elasticsearch.elasticsearch /opt/logs/* -R
# SAS实例/opt/elasticsearch-SAS/config/elasticsearch.yml配置
cluster.name: my-application node.name: 192.168.1.51-SAS path.data: /data/SAS path.logs: /opt/logs/elasticsearch-SAS network.host: 192.168.1.51 http.port: 9200 transport.port: 9300 # discovery.seed_hosts和cluster.initial_master_nodes 一定要带上端口号,不然会走http.port和transport.port端口 discovery.seed_hosts: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] cluster.initial_master_nodes: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] http.cors.enabled: true http.cors.allow-origin: "*" node.master: false node.ingest: false node.data: true # 本机只允行启2个实例 node.max_local_storage_nodes: 2 # SSD实例/opt/elasticsearch-SSD/config/elasticsearch.yml配置
cluster.name: my-application node.name: 192.168.1.51-SSD path.data: /data/SSD path.logs: /opt/logs/elasticsearch-SSD network.host: 192.168.1.51 http.port: 9201 transport.port: 9301 # discovery.seed_hosts和cluster.initial_master_nodes 一定要带上端口号,不然会走http.port和transport.port端口 discovery.seed_hosts: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] cluster.initial_master_nodes: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] http.cors.enabled: true http.cors.allow-origin: "*" node.master: false node.ingest: false node.data: true # 本机只允行启2个实例 node.max_local_storage_nodes: 2

SAS实例和SSD实例启动方式

    sudo -u elasticsearch /opt/elasticsearch-SAS/bin/elasticsearch

    sudo -u elasticsearch /opt/elasticsearch-SSD/bin/elasticsearch

确认SAS和SSD已启2实例

    curl "http://192.168.1.31:9200/_cat/nodes?v"

192.168.1.52 elasticsearch-data部署双实例

索引迁移

(此步不能忽略):将192.168.1.52上的索引放到其它2台data节点上

    curl -X PUT "192.168.1.31:9200/*/_settings?pretty" -H 'Content-Type: application/json' -d'
{
"index.routing.allocation.include._ip": "192.168.1.51,192.168.1.53"
}'

确认当前索引存储位置

确认所有索引不在192.168.1.52节点上

    curl "http://192.168.1.31:9200/_cat/shards?h=n"

停掉192.168.1.52的进程,修改目录结构及配置:请自行按SSD和SAS硬盘挂载好数据盘

    # 安装包下载和部署请参考第一篇《EFK-1: 快速指南》

    cd /opt/software/

    tar -zxvf elasticsearch-7.3.2-linux-x86_64.tar.gz

    mv /opt/elasticsearch /opt/elasticsearch-SAS

    mv elasticsearch-7.3.2 /opt/

    mv /opt/elasticsearch-7.3.2 /opt/elasticsearch-SSD

    chown elasticsearch.elasticsearch /opt/elasticsearch-* -R

    rm -rf /data/SAS/*

    chown elasticsearch.elasticsearch /data/* -R

    mkdir -p /opt/logs/elasticsearch-SAS

    mkdir -p /opt/logs/elasticsearch-SSD

    chown elasticsearch.elasticsearch /opt/logs/* -R

# SAS实例/opt/elasticsearch-SAS/config/elasticsearch.yml配置
cluster.name: my-application node.name: 192.168.1.52-SAS path.data: /data/SAS path.logs: /opt/logs/elasticsearch-SAS network.host: 192.168.1.52 http.port: 9200 transport.port: 9300 # discovery.seed_hosts和cluster.initial_master_nodes 一定要带上端口号,不然会走http.port和transport.port端口 discovery.seed_hosts: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] cluster.initial_master_nodes: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] http.cors.enabled: true http.cors.allow-origin: "*" node.master: false node.ingest: false node.data: true # 本机只允行启2个实例 node.max_local_storage_nodes: 2 # SSD实例/opt/elasticsearch-SSD/config/elasticsearch.yml配置
cluster.name: my-application node.name: 192.168.1.52-SSD path.data: /data/SSD path.logs: /opt/logs/elasticsearch-SSD network.host: 192.168.1.52 http.port: 9201 transport.port: 9301 # discovery.seed_hosts和cluster.initial_master_nodes 一定要带上端口号,不然会走http.port和transport.port端口 discovery.seed_hosts: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] cluster.initial_master_nodes: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] http.cors.enabled: true http.cors.allow-origin: "*" node.master: false node.ingest: false node.data: true # 本机只允行启2个实例 node.max_local_storage_nodes: 2

SAS实例和SSD实例启动方式

    sudo -u elasticsearch /opt/elasticsearch-SAS/bin/elasticsearch

    sudo -u elasticsearch /opt/elasticsearch-SSD/bin/elasticsearch

确认SAS和SSD已启2实例

    curl "http://192.168.1.31:9200/_cat/nodes?v"

192.168.1.53 elasticsearch-data部署双实例

索引迁移

(此步不能忽略):一定要做这步,将192.168.1.53上的索引放到其它2台data节点上

    curl -X PUT "192.168.1.31:9200/*/_settings?pretty" -H 'Content-Type: application/json' -d'
{
"index.routing.allocation.include._ip": "192.168.1.51,192.168.1.52"
}'

确认当前索引存储位置

确认所有索引不在192.168.1.52节点上

    curl "http://192.168.1.31:9200/_cat/shards?h=n"

停掉192.168.1.53的进程,修改目录结构及配置:请自行按SSD和SAS硬盘挂载好数据盘

    # 安装包下载和部署请参考第一篇《EFK-1: 快速指南》

    cd /opt/software/

    tar -zxvf elasticsearch-7.3.2-linux-x86_64.tar.gz

    mv /opt/elasticsearch /opt/elasticsearch-SAS

    mv elasticsearch-7.3.2 /opt/

    mv /opt/elasticsearch-7.3.2 /opt/elasticsearch-SSD

    chown elasticsearch.elasticsearch /opt/elasticsearch-* -R

    rm -rf /data/SAS/*

    chown elasticsearch.elasticsearch /data/* -R

    mkdir -p /opt/logs/elasticsearch-SAS

    mkdir -p /opt/logs/elasticsearch-SSD

    chown elasticsearch.elasticsearch /opt/logs/* -R
# SAS实例/opt/elasticsearch-SAS/config/elasticsearch.yml配置
cluster.name: my-application node.name: 192.168.1.53-SAS path.data: /data/SAS path.logs: /opt/logs/elasticsearch-SAS network.host: 192.168.1.53 http.port: 9200 transport.port: 9300 # discovery.seed_hosts和cluster.initial_master_nodes 一定要带上端口号,不然会走http.port和transport.port端口 discovery.seed_hosts: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] cluster.initial_master_nodes: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] http.cors.enabled: true http.cors.allow-origin: "*" node.master: false node.ingest: false node.data: true # 本机只允行启2个实例 node.max_local_storage_nodes: 2 # SSD实例/opt/elasticsearch-SSD/config/elasticsearch.yml配置
cluster.name: my-application node.name: 192.168.1.53-SSD path.data: /data/SSD path.logs: /opt/logs/elasticsearch-SSD network.host: 192.168.1.53 http.port: 9201 transport.port: 9301 # discovery.seed_hosts和cluster.initial_master_nodes 一定要带上端口号,不然会走http.port和transport.port端口 discovery.seed_hosts: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] cluster.initial_master_nodes: ["192.168.1.31:9300","192.168.1.32:9300","192.168.1.33:9300"] http.cors.enabled: true http.cors.allow-origin: "*" node.master: false node.ingest: false node.data: true # 本机只允行启2个实例 node.max_local_storage_nodes: 2

SAS实例和SSD实例启动方式

    sudo -u elasticsearch /opt/elasticsearch-SAS/bin/elasticsearch

    sudo -u elasticsearch /opt/elasticsearch-SSD/bin/elasticsearch

确认SAS和SSD已启2实例

    curl "http://192.168.1.31:9200/_cat/nodes?v"

测试

将所有索引移到SSD硬盘上

    # 下面的参数会在后面的文章讲解,此处照抄即可

    curl -X PUT "192.168.1.31:9200/*/_settings?pretty" -H 'Content-Type: application/json' -d'

    {

      "index.routing.allocation.include._host_ip": "",

      "index.routing.allocation.include._host": "",

      "index.routing.allocation.include._name": "",

      "index.routing.allocation.include._ip": "",

      "index.routing.allocation.require._name": "*-SSD"

    }'

确认所有索引全在SSD硬盘上

    curl "http://192.168.1.31:9200/_cat/shards?h=n"

将nginx9月份的日志索引迁移到SAS硬盘上

    curl -X PUT "192.168.1.31:9200/nginx_*_2019.09/_settings?pretty" -H 'Content-Type: application/json' -d'
{
"index.routing.allocation.require._name": "*-SAS"
}'

确认nginx9月份的日志索引迁移到SAS硬盘上

    curl "http://192.168.1.31:9200/_cat/shards"

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