{"id":208690,"date":"2025-09-29T20:36:37","date_gmt":"2025-09-29T12:36:37","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208690\/"},"modified":"2025-09-29T20:36:37","modified_gmt":"2025-09-29T12:36:37","slug":"vps-elk","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208690\/","title":{"rendered":"\u9999\u6e2fVPS\u5b9e\u6218\uff1a\u5feb\u901f\u914d\u7f6eELK\u6808\u5b9e\u73b0\u9ad8\u6548\u65e5\u5fd7\u5206\u6790"},"content":{"rendered":"<p>\u5728\u73b0\u4ee3\u4e92\u8054\u7f51\u670d\u52a1\u4e2d\uff0c\u65e5\u5fd7\u5206\u6790\u662f\u8fd0\u7ef4\u548c\u5f00\u53d1\u56e2\u961f\u4e0d\u53ef\u6216\u7f3a\u7684\u80fd\u529b\u3002\u501f\u52a9ELK\u6808\uff08Elasticsearch\u3001Logstash\u3001Kibana\uff09\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u68c0\u7d22\u3001\u53ef\u89c6\u5316\u548c\u544a\u8b66\u3002\u672c\u6587\u4ee5<strong>\u9999\u6e2fVPS\u5b9e\u6218<\/strong>\u4e3a\u573a\u666f\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u5728\u9999\u6e2fVPS\u4e0a\u5feb\u901f\u90e8\u7f72ELK\u6808\uff0c\u7ed3\u5408\u8d44\u6e90\u89c4\u5212\u3001\u6027\u80fd\u8c03\u4f18\u3001\u5b89\u5168\u914d\u7f6e\u4ee5\u53ca\u5e94\u7528\u573a\u666f\u548c\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u9ad8\u6548\u843d\u5730\u3002<\/p>\n<h2>ELK\u6808\u5de5\u4f5c\u539f\u7406\u6982\u8ff0<\/h2>\n<p>ELK\u6808\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1aElasticsearch \u8d1f\u8d23\u5206\u5e03\u5f0f\u5b58\u50a8\u4e0e\u641c\u7d22\uff0cLogstash \u8d1f\u8d23\u65e5\u5fd7\u6536\u96c6\u4e0e\u5904\u7406\u7ba1\u9053\uff0cKibana \u63d0\u4f9b\u53ef\u89c6\u5316\u4e0e\u5206\u6790\u754c\u9762\u3002\u901a\u5e38\u65e5\u5fd7\u4ece\u5e94\u7528\u6216\u4ee3\u7406\uff08\u5982 Beats\u3001Filebeat\uff09\u53d1\u9001\u5230 Logstash \u6216\u76f4\u63a5\u53d1\u9001\u5230 Elasticsearch\uff0c\u7136\u540e Elasticsearch \u5efa\u7acb\u5012\u6392\u7d22\u5f15\u4f9b Kibana \u67e5\u8be2\u5c55\u793a\u3002\u5bf9\u4e8e\u9ad8\u541e\u5410\u573a\u666f\uff0c\u5e38\u91c7\u7528\u4ee5\u4e0b\u67b6\u6784\uff1a<\/p>\n<ul>\n<li>\u8f7b\u91cf\u4ee3\u7406\uff08Filebeat\/Metricbeat\uff09\u5728\u5404\u5b9e\u4f8b\u6536\u96c6\u65e5\u5fd7\u5e76\u53d1\u9001\u5230 Logstash \u6216\u76f4\u63a5\u5230 Elasticsearch\u3002<\/li>\n<li>Logstash \u8d1f\u8d23\u590d\u6742\u89e3\u6790\uff08Grok\u3001mutate\u3001geoip\uff09\u5e76\u8f93\u51fa\u5230 Elasticsearch\u3002<\/li>\n<li>Kibana \u901a\u8fc7 Elasticsearch \u7684 REST API \u63d0\u4f9b\u4eea\u8868\u76d8\u3001\u63a2\u9488\u548c\u544a\u8b66\u3002<\/li>\n<\/ul>\n<h2>\u4e3a\u4ec0\u4e48\u9009\u62e9\u9999\u6e2fVPS\u90e8\u7f72ELK<\/h2>\n<p>\u76f8\u6bd4\u4e8e\u7f8e\u56fdVPS \u6216\u8005\u90e8\u7f72\u5728\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u9999\u6e2fVPS \u5728\u4e9a\u592a\u8bbf\u95ee\u5ef6\u8fdf\u3001\u5e26\u5bbd\u6210\u672c\u548c\u5408\u89c4\u6027\u4e0a\u6709\u660e\u663e\u4f18\u52bf\u3002\u9488\u5bf9\u4e9a\u6d32\u7528\u6237\u7fa4\u4f53\uff0c\u9999\u6e2fVPS \u53ef\u4ee5\u63d0\u4f9b\u66f4\u4f4e\u7684\u7f51\u7edc\u65f6\u5ef6\u548c\u66f4\u7a33\u5b9a\u7684\u8de8\u5883\u8fde\u901a\u6027\uff0c\u9002\u5408\u9700\u8981\u9762\u5411\u4e2d\u56fd\u5927\u9646\u6216\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u65e5\u5fd7\u96c6\u4e2d\u5316\u9700\u6c42\u3002<\/p>\n<h3>\u573a\u666f\u4e0e\u9002\u7528\u6027<\/h3>\n<ul>\n<li>\u8de8\u5883\u7535\u5546\u4e0eSaaS\uff1a\u5feb\u901f\u5b9a\u4f4d\u4ea4\u6613\u94fe\u8def\u95ee\u9898\uff0c\u7ed3\u5408 Kibana \u4eea\u8868\u76d8\u76d1\u63a7\u5173\u952e\u6307\u6807\u3002<\/li>\n<li>\u591a\u673a\u623f\u65e5\u5fd7\u6536\u96c6\uff1a\u5229\u7528\u9999\u6e2fVPS\u505a\u4e2d\u8f6c\u8282\u70b9\uff0c\u7edf\u4e00\u6c47\u805a\u6765\u81ea\u56fd\u5185\u5916\u670d\u52a1\u5668\uff08\u5305\u62ec\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u65e5\u5fd7\u3002<\/li>\n<li>\u5b89\u5168\u5ba1\u8ba1\u4e0e\u544a\u8b66\uff1a\u7ed3\u5408 Filebeat + Elastalert\/Watcher \u5b9e\u73b0\u5f02\u5e38\u68c0\u6d4b\u4e0e\u544a\u8b66\u3002<\/li>\n<\/ul>\n<h2>\u5728\u9999\u6e2fVPS\u4e0a\u5feb\u901f\u90e8\u7f72ELK\u7684\u5b9e\u6218\u6b65\u9aa4<\/h2>\n<p>\u4e0b\u9762\u4ee5 Ubuntu 22.04 \u4e3a\u4f8b\uff0c\u7ed9\u51fa\u53ef\u590d\u5236\u7684\u90e8\u7f72\u6d41\u7a0b\u4e0e\u5173\u952e\u914d\u7f6e\u9879\u3002<\/p>\n<h3>1. \u8d44\u6e90\u4e0e\u7cfb\u7edf\u51c6\u5907<\/h3>\n<ul>\n<li>\u5efa\u8bae\u6700\u5c0f\u914d\u7f6e\uff1a2CPU\u30014GB \u5185\u5b58\u300140GB SSD\uff1b\u751f\u4ea7\u5efa\u8bae\uff1a\u81f3\u5c11 4CPU\u300116GB \u5185\u5b58\uff0c\u78c1\u76d8\u91c7\u7528\u672c\u5730 SSD \u6216\u5206\u79bb\u7684\u6570\u636e\u76d8\u3002Elasticsearch \u5bf9\u5185\u5b58\u654f\u611f\uff0c\u5206\u914d\u7ed9 JVM \u7684\u5806\u5185\u5b58\u5e94\u4e3a\u7269\u7406\u5185\u5b58\u7684\u4e00\u534a\u4e14\u4e0d\u8d85\u8fc7 32GB\u3002<\/li>\n<li>\u7cfb\u7edf\u4f18\u5316\uff1a\u5173\u95ed swap \u6216\u8c03\u6574 vm.swappiness=1\uff1b\u8c03\u6574\u6587\u4ef6\u53e5\u67c4\u4e0e\u5185\u6838\u53c2\u6570\uff1a<\/li>\n<\/ul>\n<ul>\n<li>\/etc\/security\/limits.conf \u4e2d\u589e\u52a0\uff1a<em> soft nofile 65536\u3001<\/em> hard nofile 65536<\/li>\n<li>\/etc\/sysctl.conf \u4e2d\u8bbe\u7f6e\uff1avm.max_map_count=262144\u3001net.core.somaxconn=65535\u3001net.ipv4.tcp_tw_reuse=1<\/li>\n<\/ul>\n<h3>2. \u5b89\u88c5 Elasticsearch<\/h3>\n<ul>\n<li>\u5bfc\u5165\u5b98\u65b9 GPG \u5e76\u6dfb\u52a0 apt \u6e90\u540e\u6267\u884c apt install elasticsearch\u3002<\/li>\n<li>\u5173\u952e\u914d\u7f6e \/etc\/elasticsearch\/elasticsearch.yml\uff1a<\/li>\n<li>cluster.name: prod-cluster\u3001node.name: node-1\u3001network.host: 0.0.0.0\uff08\u6216\u5177\u4f53\u5185\u7f51IP\uff09\u3001discovery.type: single-node\uff08\u5355\u8282\u70b9\uff09\u6216\u914d\u7f6e seed hosts\uff08\u751f\u4ea7\u96c6\u7fa4\uff09\u3002<\/li>\n<li>\u8c03\u6574 JVM\uff1a\/etc\/elasticsearch\/jvm.options \u4e2d\u8bbe\u7f6e -Xms \u548c -Xmx \u4e3a\u76f8\u540c\u503c\uff0c\u4f8b\u5982 -Xms8g -Xmx8g\u3002<\/li>\n<li>\u5f00\u542f\u670d\u52a1 systemctl enable &#8211;now elasticsearch\uff0c\u5e76\u68c0\u67e5\u65e5\u5fd7 \/var\/log\/elasticsearch\/\u3002<\/li>\n<\/ul>\n<h3>3. \u5b89\u88c5 Logstash \u4e0e\u914d\u7f6e\u7ba1\u9053<\/h3>\n<ul>\n<li>apt install logstash \u540e\uff0c\u5728 \/etc\/logstash\/conf.d\/ \u521b\u5efa\u7ba1\u9053\u6587\u4ef6\uff1ainput\u3001filter\u3001output\u3002<\/li>\n<li>\u793a\u4f8b input\uff1abeats { port =&gt; 5044 }\uff0cfilter\uff1agrok\u3001date\u3001geoip \u7b49\uff0coutput\uff1aelasticsearch { hosts =&gt; [&#8220;http:\/\/127.0.0.1:9200&#8221;] index =&gt; &#8220;app-%{+YYYY.MM.dd}&#8221; }\u3002<\/li>\n<li>\u4e3a Logstash \u8c03\u6574 JVM \u5806\uff1a\/etc\/logstash\/jvm.options\u3002<\/li>\n<\/ul>\n<h3>4. \u5b89\u88c5 Kibana \u5e76\u914d\u7f6e\u53cd\u5411\u4ee3\u7406\u4e0e\u5b89\u5168<\/h3>\n<ul>\n<li>apt install kibana\uff0c\u4fee\u6539 \/etc\/kibana\/kibana.yml\uff1aserver.host: &#8220;0.0.0.0&#8221;\u3001elasticsearch.hosts: [&#8220;http:\/\/127.0.0.1:9200&#8221;]\u3002<\/li>\n<li>\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u4f7f\u7528 Nginx \u505a\u53cd\u5411\u4ee3\u7406\u5e76\u914d\u7f6e TLS\uff1a<\/li>\n<li>\u793a\u4f8b Nginx \u914d\u7f6e\u5305\u542b basic auth \u6216\u4f7f\u7528 OAuth\/SSO\uff0c\u9650\u5236\u8bbf\u95ee\u6765\u6e90\u5230\u516c\u53f8 IP \u6216 VPN\u3002<\/li>\n<\/ul>\n<h3>5. \u91c7\u96c6\u7aef\uff08Beats\uff09\u4e0e\u7d22\u5f15\u6a21\u677f<\/h3>\n<ul>\n<li>\u5728\u5404\u4e3b\u673a\u90e8\u7f72 Filebeat\uff0c\u914d\u7f6e\u8f93\u51fa\u5230 Logstash \u6216 Elasticsearch\u3002Filebeat modules \u53ef\u4ee5\u5feb\u901f\u89e3\u6790\u5e38\u89c1\u65e5\u5fd7\uff08nginx\u3001mysql\u3001system\uff09\u3002<\/li>\n<li>\u4e0a\u4f20\u7d22\u5f15\u6a21\u677f\u5230 Elasticsearch\uff08ILM\/\u7d22\u5f15\u751f\u547d\u5468\u671f\u7ba1\u7406\uff09\uff1a\u5b9a\u4e49 hot\/warm\/cold \u9636\u6bb5\uff0c\u81ea\u52a8\u6eda\u52a8\u4e0e\u5220\u9664\u5386\u53f2\u7d22\u5f15\uff0c\u8282\u7701\u5b58\u50a8\u3002<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u8c03\u4f18\u8981\u70b9<\/h2>\n<ul>\n<li><strong>JVM \u5806\u8bbe\u7f6e<\/strong>\uff1a\u5806\u8bbe\u7f6e\u4e3a\u7269\u7406\u5185\u5b58\u4e00\u534a\u4e14\u4e0d\u8d85\u8fc7 32GB\uff0c\u907f\u514d\u9891\u7e41 Full GC\u3002<\/li>\n<li><strong>\u78c1\u76d8\u4e0e I\/O<\/strong>\uff1a\u4f18\u5148\u91c7\u7528\u672c\u5730 SSD\u3002\u4e3a\u907f\u514d\u5199\u5165\u6296\u52a8\uff0cElasticsearch \u6570\u636e\u76ee\u5f55\u72ec\u7acb\u78c1\u76d8\u53ef\u663e\u8457\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<li><strong>\u7d22\u5f15\u8bbe\u8ba1<\/strong>\uff1a\u5408\u7406\u8bbe\u7f6e\u5206\u7247\u6570\uff08shard\uff09\u548c\u526f\u672c\uff08replica\uff09\uff0c\u907f\u514d\u8fc7\u591a\u5c0f\u5206\u7247\u3002\u901a\u5e38\u6bcf\u65e5\u7d22\u5f15\u6309\u6570\u636e\u91cf\u5206\u7247\uff0c\u4f8b\u5982\u6bcf\u5206\u7247 30~50GB\u3002<\/li>\n<li><strong>\u7f51\u7edc\u8bbe\u7f6e<\/strong>\uff1a\u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u8de8 AZ \u6d41\u91cf\uff0c\u4f7f\u7528\u5185\u7f51\u6216\u4e13\u7ebf\u8fde\u63a5\u591a\u4e2a\u8282\u70b9\u3002\u5bf9\u4e8e\u8de8\u5883\u6c47\u805a\u65e5\u5fd7\uff0c\u9999\u6e2fVPS \u53ef\u4ee5\u4f5c\u4e3a\u4e2d\u95f4\u8282\u70b9\uff0c\u51cf\u5c11\u56fd\u5185\u4e0e\u56fd\u5916\u8282\u70b9\u4e4b\u95f4\u7684 RTT\u3002<\/li>\n<li><strong>\u76d1\u63a7\u4e0e\u544a\u8b66<\/strong>\uff1a\u4f7f\u7528 Metricbeat \u76d1\u63a7\u96c6\u7fa4\u5065\u5eb7\u3001\u78c1\u76d8\u3001GC\u3001\u7ebf\u7a0b\u6c60\u7b49\uff0c\u5e76\u5728 Kibana \u4e2d\u8bbe\u7f6e\u544a\u8b66\u3002<\/li>\n<\/ul>\n<h2>\u5b89\u5168\u52a0\u56fa\u5efa\u8bae<\/h2>\n<ul>\n<li>\u542f\u7528 X-Pack \u5b89\u5168\u6216\u4f7f\u7528\u5f00\u6e90\u89e3\u51b3\u65b9\u6848\uff08\u5982 SearchGuard\uff09\uff0c\u914d\u7f6e TLS \u52a0\u5bc6\u3001\u7528\u6237\u8ba4\u8bc1\u4e0e\u89d2\u8272\u6388\u6743\u3002<\/li>\n<li>\u9650\u5236 Elasticsearch \u7aef\u53e3\u4e0d\u5bf9\u516c\u7f51\u5f00\u653e\uff0c\u4ec5\u5141\u8bb8\u6765\u81ea Logstash \u6216\u53d7\u4fe1\u4efb IP \u7684\u8bbf\u95ee\u3002<\/li>\n<li>\u4e3a Kibana \u4e0e\u7ba1\u7406\u9762\u677f\u542f\u7528\u53cc\u56e0\u7d20\u8ba4\u8bc1\u4e0e IP \u767d\u540d\u5355\u3002<\/li>\n<li>\u5b9a\u671f\u5907\u4efd\u5feb\u7167\u5230\u8fdc\u7a0b\u4ed3\u5e93\uff08S3\u3001\u5bf9\u8c61\u5b58\u50a8\u6216\u53e6\u4e00\u4e2a VPS\uff09\uff0c\u5e76\u6f14\u7ec3\u6062\u590d\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2fVPS vs \u7f8e\u56fdVPS \/ \u7f8e\u56fd\u670d\u52a1\u5668<\/h2>\n<p>\u9009\u62e9\u90e8\u7f72\u5730\u57df\u9700\u8981\u7efc\u5408\u8003\u8651\u5ef6\u8fdf\u3001\u5e26\u5bbd\u3001\u5408\u89c4\u4e0e\u6210\u672c\uff1a<\/p>\n<ul>\n<li>\u9999\u6e2fVPS\uff1a\u5bf9\u4e2d\u56fd\u5927\u9646\u548c\u4e9a\u6d32\u7528\u6237\u5ef6\u8fdf\u4f4e\u3001\u7f51\u7edc\u7a33\u5b9a\uff0c\u9002\u5408\u4f5c\u4e3a\u65e5\u5fd7\u96c6\u805a\u8282\u70b9\u6216\u8fb9\u7f18\u5206\u6790\u8282\u70b9\u3002\u5e26\u5bbd\u6298\u4e2d\uff0c\u901a\u5e38\u66f4\u4fbf\u6377\u5730\u5904\u7406\u8de8\u5883\u6d41\u91cf\u3002<\/li>\n<li>\u7f8e\u56fdVPS \u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\uff1a\u5728\u9762\u5411\u7f8e\u6d32\u7528\u6237\u548c\u4f7f\u7528\u7f8e\u56fd\u4ea7\u4e91\u670d\u52a1\uff08\u5982\u67d0\u4e9b CDN \u6216\u76d1\u63a7\u670d\u52a1\uff09\u65f6\u66f4\u6709\u4f18\u52bf\uff0c\u4f46\u5bf9\u4e9a\u6d32\u7528\u6237\u5b58\u5728\u8f83\u9ad8\u5ef6\u8fdf\u3002<\/li>\n<li>\u6df7\u5408\u90e8\u7f72\uff1a\u53ef\u5c06\u65e5\u5fd7\u5728\u5404\u533a\u57df\u8fb9\u7f18\u4f7f\u7528\u8f7b\u91cf\u91c7\u96c6\uff08Filebeat\uff09\uff0c\u518d\u6c47\u805a\u5230\u9999\u6e2f\u6216\u7f8e\u56fd\u7684\u4e2d\u592e Elasticsearch \u96c6\u7fa4\uff0c\u5e73\u8861\u8bbf\u95ee\u4e0e\u6210\u672c\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae<\/h2>\n<ul>\n<li>\u6839\u636e\u65e5\u5fd7\u91cf\u8ba1\u7b97\u5bb9\u91cf\uff1a\u4f8b\u5982\u6bcf\u5929 100GB \u65e5\u5fd7\uff0c\u8003\u8651\u7d22\u5f15\u538b\u7f29\u7387\u3001\u4fdd\u7559\u671f\uff0830\u5929\/90\u5929\uff09\u4e0e\u526f\u672c\u7b56\u7565\uff0c\u4f30\u7b97\u78c1\u76d8\u9700\u6c42\u3002<\/li>\n<li>\u9009\u62e9\u652f\u6301\u5f39\u6027\u5347\u7ea7\u7684\u9999\u6e2fVPS\uff0c\u65b9\u4fbf\u968f\u4e1a\u52a1\u589e\u957f\u6269\u5c55 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