{"id":18160,"date":"2024-10-30T14:13:31","date_gmt":"2024-10-30T06:13:31","guid":{"rendered":"https:\/\/www.simcentric.com\/?p=18160"},"modified":"2024-10-30T15:37:49","modified_gmt":"2024-10-30T07:37:49","slug":"how-to-optimize-over-provisioned-dedicated-server-resources","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/how-to-optimize-over-provisioned-dedicated-server-resources\/","title":{"rendered":"\u5982\u4f55\u512a\u5316\u914d\u7f6e\u904e\u5ea6\u7684\u5c08\u7528\u4f3a\u670d\u5668\u8cc7\u6e90\uff1f"},"content":{"rendered":"

[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n

\u5728\u9999\u6e2f\u5145\u6eff\u6d3b\u529b\u7684\u4f3a\u670d\u5668\u79df\u7528\u5e02\u5834\u4e2d\uff0c\u4f01\u696d\u7d93\u5e38\u9762\u81e8\u5c08\u7528\u4f3a\u670d\u5668\u914d\u7f6e\u904e\u5ea6\u7684\u6311\u6230\uff0c\u5c0e\u81f4\u5927\u91cf\u8cc7\u6e90\u672a\u88ab\u5145\u5206\u5229\u7528\u548c\u4e0d\u5fc5\u8981\u7684\u652f\u51fa\u3002\u672c\u6280\u8853\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u4e86\u5728\u7368\u7279\u7684\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528<\/a>\u74b0\u5883\u4e0b\uff0c\u5982\u4f55\u5728\u4fdd\u8b49\u6700\u4f73\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u540c\u6642\uff0c\u6700\u5927\u5316\u4f3a\u670d\u5668\u8cc7\u6e90\u6548\u7387<\/a>\u7684\u9032\u968e\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n

\u4e86\u89e3\u4f3a\u670d\u5668\u8cc7\u6e90\u5229\u7528\u4e0d\u8db3\u6a21\u5f0f<\/strong><\/h2>\n

\u6709\u6548\u7684\u8cc7\u6e90\u512a\u5316\u59cb\u65bc\u7cbe\u78ba\u7684\u6307\u6a19\u5206\u6790\u3002\u914d\u7f6e\u904e\u5ea6\u7684\u95dc\u9375\u6307\u6a19\u5305\u62ec\uff1a<\/p>\n

– CPU\u4f7f\u7528\u6a21\u5f0f\uff1a<\/strong> \u9ad8\u5cf0\u6642\u6bb5\u5e73\u5747\u4f7f\u7528\u7387\u6301\u7e8c\u4f4e\u65bc20%<\/p>\n

– \u8a18\u61b6\u9ad4\u5206\u914d\uff1a<\/strong> RAM\u4f7f\u7528\u6a21\u5f0f\u986f\u793a\u4f4e\u65bc40%\u7684\u4f7f\u7528\u7387<\/p>\n

– \u7db2\u8def\u983b\u5bec\uff1a<\/strong> \u5be6\u969b\u541e\u5410\u91cf\u660e\u986f\u4f4e\u65bc\u5408\u7d04\u983b\u5bec<\/p>\n

– \u5132\u5b58\u5229\u7528\u7387\uff1a<\/strong> \u8d85\u904e50%\u7684\u5132\u5b58\u5bb9\u91cf\u672a\u88ab\u4f7f\u7528<\/p>\n

– I\/O\u64cd\u4f5c\uff1a<\/strong> \u78c1\u789fI\/O\u7387\u9060\u4f4e\u65bc\u786c\u9ad4\u80fd\u529b<\/p>\n

\u4f7f\u7528\u4ee5\u4e0b\u76e3\u63a7\u547d\u4ee4\u9032\u884c\u6e96\u78ba\u8a55\u4f30\uff1a<\/p>\n

# CPU\u4f7f\u7528\u7387\u76e3\u63a7\r\ntop -b -n 1 | grep \"Cpu(s)\"\r\n\r\n# \u8a18\u61b6\u9ad4\u4f7f\u7528\u5206\u6790\r\nfree -m\r\n\r\n# \u78c1\u789fI\/O\u7d71\u8a08\r\niostat -x 1 3\r\n\r\n# \u7db2\u8def\u983b\u5bec\u76e3\u63a7\r\niftop -n\r\n<\/code><\/pre>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u9032\u968e\u865b\u64ec\u5316\u5be6\u65bd<\/strong><\/h2>\n
\u73fe\u4ee3\u865b\u64ec\u5316\u6280\u8853\u63d0\u4f9b\u4e86\u8907\u96dc\u7684\u8cc7\u6e90\u5206\u5340\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5e36\u6709\u6027\u80fd\u512a\u5316\u7684\u5b8c\u6574KVM\u8a2d\u7f6e\uff1a<\/p>\n
# \u589e\u5f37\u578bKVM\u5b89\u88dd\u53ca\u6027\u80fd\u5de5\u5177\r\napt-get install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils \\\r\n                virt-top libguestfs-tools\r\n\r\n# \u914d\u7f6eCPU\u7d81\u5b9a\u4ee5\u7372\u5f97\u6700\u4f73\u6027\u80fd\r\n<cpu mode='host-passthrough' check='partial'>\r\n  <topology sockets='1' dies='1' cores='4' threads='2'\/>\r\n  <numa>\r\n    <cell id='0' cpus='0-7' memory='4096' unit='MiB'\/>\r\n  <\/numa>\r\n<\/cpu>\r\n\r\n# \u5275\u5efa\u512a\u5316\u7684\u865b\u64ec\u6a5f\r\nvirt-install \\\r\n  --name production-vm \\\r\n  --ram 4096 \\\r\n  --disk path=\/var\/lib\/libvirt\/images\/prod.qcow2,size=50,format=qcow2,bus=virtio \\\r\n  --vcpus 4 \\\r\n  --cpu host-passthrough \\\r\n  --network bridge=br0,model=virtio \\\r\n  --graphics none \\\r\n  --os-variant ubuntu20.04\r\n<\/code><\/pre>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u5bb9\u5668\u7de8\u6392\u5353\u8d8a\u5be6\u8e10<\/strong><\/h2>\n
\u5be6\u65bd\u5177\u6709\u8cc7\u6e90\u9650\u5236\u548c\u76e3\u63a7\u7684\u9032\u968e\u5bb9\u5668\u7de8\u6392\uff1a<\/p>\n
version: '3.8'\r\nservices:\r\n  webapp:\r\n    image: nginx:alpine\r\n    ports:\r\n      - \"80:80\"\r\n    volumes:\r\n      - .\/webapp:\/usr\/share\/nginx\/html\r\n    deploy:\r\n      resources:\r\n        limits:\r\n          cpus: '0.5'\r\n          memory: 512M\r\n      restart_policy:\r\n        condition: on-failure\r\n        max_attempts: 3\r\n      update_config:\r\n        parallelism: 2\r\n        delay: 10s\r\n    healthcheck:\r\n      test: [\"CMD\", \"curl\", \"-f\", \"http:\/\/localhost\"]\r\n      interval: 1m\r\n      timeout: 10s\r\n      retries: 3\r\n\r\n  database:\r\n    image: mysql:8.0\r\n    environment:\r\n      MYSQL_ROOT_PASSWORD_FILE: \/run\/secrets\/db_root_password\r\n    secrets:\r\n      - db_root_password\r\n    volumes:\r\n      - db_data:\/var\/lib\/mysql\r\n    deploy:\r\n      resources:\r\n        limits:\r\n          cpus: '1.0'\r\n          memory: 1G\r\n      placement:\r\n        constraints:\r\n          - node.role == worker\r\n\r\nvolumes:\r\n  db_data:\r\n\r\nsecrets:\r\n  db_root_password:\r\n    file: .\/secrets\/db_password.txt\r\n<\/code><\/pre>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u5275\u65b0\u8cc7\u6e90\u8b8a\u73fe\u7b56\u7565<\/strong><\/h2>\n
\u900f\u904e\u9032\u968e\u670d\u52d9\u7522\u54c1\u5c07\u591a\u9918\u5bb9\u91cf\u8f49\u5316\u70ba\u6536\u5165\uff1a<\/p>\n
1. \u4f01\u696d\u7d1aVPS\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong><\/p>\n
– \u914d\u7f6e\u9ad8\u53ef\u7528\u6027\u529f\u80fd<\/p>\n
– \u81ea\u52d5\u5099\u4efd\u7cfb\u7d71<\/p>\n
– DDoS\u9632\u8b77\u6574\u5408<\/p>\n
2. \u8a17\u7ba1\u8cc7\u6599\u5eab\u670d\u52d9\uff1a<\/strong><\/p>\n
– \u591a\u5f15\u64ce\u652f\u63f4\uff08MySQL\u3001PostgreSQL\u3001MongoDB\uff09<\/p>\n
– \u81ea\u52d5\u64f4\u5c55\u529f\u80fd<\/p>\n
– \u5373\u6642\u76e3\u63a7\u548c\u8b66\u5831<\/p>\n
3. \u908a\u7de3\u904b\u7b97\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong><\/p>\n
– \u4f4e\u5ef6\u9072\u904b\u7b97\u7bc0\u9ede<\/p>\n
– \u5167\u5bb9\u5206\u767c\u512a\u5316<\/p>\n
– \u5340\u57df\u6d41\u91cf\u7ba1\u7406<\/p>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u5168\u9762\u76e3\u63a7\u67b6\u69cb<\/strong><\/h2>\n
\u4f7f\u7528Prometheus\u3001Grafana\u548cAlertManager\u5be6\u65bd\u8907\u96dc\u7684\u76e3\u63a7\u7cfb\u7d71\uff1a<\/p>\n
global:\r\n  scrape_interval: 15s\r\n  evaluation_interval: 15s\r\n\r\nalerting:\r\n  alertmanagers:\r\n    - static_configs:\r\n        - targets: ['localhost:9093']\r\n\r\nrule_files:\r\n  - 'alert.rules'\r\n\r\nscrape_configs:\r\n  - job_name: 'node'\r\n    static_configs:\r\n      - targets: ['localhost:9100']\r\n    relabel_configs:\r\n      - source_labels: [__address__]\r\n        regex: '(.*):'\r\n        target_label: instance\r\n        replacement: '${1}'\r\n\r\n  - job_name: 'docker'\r\n    static_configs:\r\n      - targets: ['localhost:9323']\r\n    metrics_path: '\/metrics'\r\n    scheme: 'http'\r\n<\/code><\/pre>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u9032\u968e\u8ca0\u8f09\u5e73\u8861\u914d\u7f6e<\/strong><\/h2>\n
\u5be6\u65bd\u5177\u6709SSL\u7d42\u7aef\u548c\u5065\u5eb7\u6aa2\u67e5\u7684\u8907\u96dcHAProxy\u914d\u7f6e\uff1a<\/p>\n
global\r\n    maxconn 50000\r\n    log \/dev\/log local0\r\n    user haproxy\r\n    group haproxy\r\n    daemon\r\n    ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256\r\n    ssl-default-bind-options no-sslv3 no-tlsv10 no-tlsv11\r\n\r\nfrontend https_front\r\n    bind *:443 ssl crt \/etc\/ssl\/private\/combined.pem\r\n    mode http\r\n    option forwardfor\r\n    http-request set-header X-Forwarded-Proto https\r\n    default_backend web_backend\r\n\r\nbackend web_backend\r\n    mode http\r\n    balance roundrobin\r\n    cookie SERVERID insert indirect nocache\r\n    option httpchk HEAD \/health HTTP\/1.1\\r\\nHost:\\ localhost\r\n    server web1 10.0.0.1:80 check cookie s1\r\n    server web2 10.0.0.2:80 check cookie s2\r\n    http-request set-header X-Forwarded-Port %[dst_port]\r\n    http-request add-header X-Forwarded-Proto https if { ssl_fc }\r\n<\/code><\/pre>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u8cc7\u6e90\u512a\u5316\u6307\u6a19\u8207\u5206\u6790<\/strong><\/h2>\n
\u5be6\u65bd\u5168\u9762\u7684\u6027\u80fd\u6307\u6a19\uff1a<\/p>\n
– \u8cc7\u6e90\u5229\u7528\u7387\u6539\u9032\u8ffd\u8e64<\/p>\n
– \u6210\u672c\u964d\u4f4e\u5206\u6790<\/p>\n
– \u8cc7\u6e90\u8b8a\u73fe\u6536\u5165<\/p>\n
– \u6027\u80fd\u5f71\u97ff\u8a55\u4f30<\/p>\n
– \u5bb9\u91cf\u898f\u5283\u9810\u6e2c<\/p>\n
   [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] <\/p>\n
\u9762\u5411\u672a\u4f86\u7684\u57fa\u790e\u8a2d\u65bd\u898f\u5283<\/strong><\/h2>\n
\u8a2d\u8a08\u53ef\u64f4\u5c55\u7684\u57fa\u790e\u8a2d\u65bd\uff0c\u5305\u542b\uff1a<\/p>\n
– \u81ea\u52d5\u5316\u8cc7\u6e90\u914d\u7f6e<\/p>\n
– \u9810\u6e2c\u6027\u64f4\u5c55\u6f14\u7b97\u6cd5<\/p>\n
– \u707d\u96e3\u5fa9\u539f\u5354\u8b70<\/p>\n
– \u6027\u80fd\u512a\u5316\u6307\u5357<\/p>\n
– \u5bb9\u91cf\u9810\u6e2c\u6a21\u578b<\/p>\n
\u900f\u904e\u5be6\u65bd\u9019\u4e9b\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u8cc7\u6e90\u512a\u5316\u7684\u9032\u968e\u6280\u8853\uff0c\u4f01\u696d\u53ef\u4ee5\u5728\u4fdd\u6301\u5353\u8d8a\u6027\u80fd\u6a19\u6e96\u7684\u540c\u6642\u5be6\u73fe\u986f\u8457\u7684\u6210\u672c\u7bc0\u7d04\u3002\u5c0d\u9019\u4e9b\u7b56\u7565\u7684\u5b9a\u671f\u76e3\u63a7\u548c\u8abf\u6574\u53ef\u78ba\u4fdd\u8cc7\u6e90\u5229\u7528\u7387\u6301\u7e8c\u4fdd\u6301\u6548\u7387\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_ […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":18152,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[4396,4398,4397,2284,247],"class_list":["post-18160","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-dedicated-server-resources-tc","tag-resource-utilization-tc","tag-server-virtualization-tc","tag-server-optimization-tc","tag-hong-kong-server-rental-tc"],"acf":[],"yoast_head":"\n\u5982\u4f55\u512a\u5316\u914d\u7f6e\u904e\u5ea6\u7684\u5c08\u7528\u4f3a\u670d\u5668\u8cc7\u6e90\uff1f<\/title>\n<meta name=\"description\" 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