{"id":18159,"date":"2024-10-30T14:13:31","date_gmt":"2024-10-30T06:13:31","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/how-to-optimize-over-provisioned-dedicated-server-resources\/"},"modified":"2024-10-30T15:48:37","modified_gmt":"2024-10-30T07:48:37","slug":"how-to-optimize-over-provisioned-dedicated-server-resources","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/how-to-optimize-over-provisioned-dedicated-server-resources\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316\u914d\u7f6e\u8fc7\u5ea6\u7684\u72ec\u7acb\u670d\u52a1\u5668\u8d44\u6e90\uff1f"},"content":{"rendered":"

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

\u5728\u9999\u6e2f\u5145\u6ee1\u6d3b\u529b\u7684\u670d\u52a1\u5668\u79df\u7528\u5e02\u573a\u4e2d\uff0c\u4f01\u4e1a\u7ecf\u5e38\u9762\u4e34\u72ec\u7acb\u670d\u52a1\u5668\u914d\u7f6e\u8fc7\u5ea6\u7684\u6311\u6218\uff0c\u5bfc\u81f4\u5927\u91cf\u8d44\u6e90\u672a\u88ab\u5145\u5206\u5229\u7528\u548c\u4e0d\u5fc5\u8981\u7684\u652f\u51fa\u3002\u672c\u6280\u672f\u6307\u5357\u6df1\u5165\u63a2\u8ba8\u4e86\u5728\u72ec\u7279\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528<\/a>\u73af\u5883\u4e0b\uff0c\u5982\u4f55\u5728\u4fdd\u8bc1\u6700\u4f73\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u540c\u65f6\uff0c\u6700\u5927\u5316\u670d\u52a1\u5668\u8d44\u6e90\u6548\u7387<\/a>\u7684\u9ad8\u7ea7\u89e3\u51b3\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\u670d\u52a1\u5668\u8d44\u6e90\u5229\u7528\u4e0d\u8db3\u6a21\u5f0f<\/strong><\/h2>\n

\u6709\u6548\u7684\u8d44\u6e90\u4f18\u5316\u59cb\u4e8e\u7cbe\u786e\u7684\u6307\u6807\u5206\u6790\u3002\u914d\u7f6e\u8fc7\u5ea6\u7684\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a<\/p>\n

– CPU\u4f7f\u7528\u6a21\u5f0f\uff1a<\/strong> \u9ad8\u5cf0\u65f6\u6bb5\u5e73\u5747\u4f7f\u7528\u7387\u6301\u7eed\u4f4e\u4e8e20%<\/p>\n

– \u5185\u5b58\u5206\u914d\uff1a<\/strong> RAM\u4f7f\u7528\u6a21\u5f0f\u663e\u793a\u4f4e\u4e8e40%\u7684\u4f7f\u7528\u7387<\/p>\n

– \u7f51\u7edc\u5e26\u5bbd\uff1a<\/strong> \u5b9e\u9645\u541e\u5410\u91cf\u660e\u663e\u4f4e\u4e8e\u5408\u540c\u5e26\u5bbd<\/p>\n

– \u5b58\u50a8\u5229\u7528\u7387\uff1a<\/strong> \u8d85\u8fc750%\u7684\u5b58\u50a8\u5bb9\u91cf\u672a\u88ab\u4f7f\u7528<\/p>\n

– I\/O\u64cd\u4f5c\uff1a<\/strong> \u78c1\u76d8I\/O\u7387\u8fdc\u4f4e\u4e8e\u786c\u4ef6\u80fd\u529b<\/p>\n

\u4f7f\u7528\u4ee5\u4e0b\u76d1\u63a7\u547d\u4ee4\u8fdb\u884c\u51c6\u786e\u8bc4\u4f30\uff1a<\/p>\n

\r\n# CPU\u4f7f\u7528\u7387\u76d1\u63a7\r\ntop -b -n 1 | grep \"Cpu(s)\"\r\n\r\n# \u5185\u5b58\u4f7f\u7528\u5206\u6790\r\nfree -m\r\n\r\n# \u78c1\u76d8I\/O\u7edf\u8ba1\r\niostat -x 1 3\r\n\r\n# \u7f51\u7edc\u5e26\u5bbd\u76d1\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
\u9ad8\u7ea7\u865a\u62df\u5316\u5b9e\u65bd<\/strong><\/h2>\n
\u73b0\u4ee3\u865a\u62df\u5316\u6280\u672f\u63d0\u4f9b\u4e86\u590d\u6742\u7684\u8d44\u6e90\u5206\u533a\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5e26\u6709\u6027\u80fd\u4f18\u5316\u7684\u5b8c\u6574KVM\u8bbe\u7f6e\uff1a<\/p>\n
# \u589e\u5f3a\u578bKVM\u5b89\u88c5\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\u7ed1\u5b9a\u4ee5\u83b7\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# \u521b\u5efa\u4f18\u5316\u7684\u865a\u62df\u673a\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\u7f16\u6392\u5353\u8d8a\u5b9e\u8df5<\/strong><\/h2>\n
\u5b9e\u65bd\u5177\u6709\u8d44\u6e90\u9650\u5236\u548c\u76d1\u63a7\u7684\u9ad8\u7ea7\u5bb9\u5668\u7f16\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
\u521b\u65b0\u8d44\u6e90\u53d8\u73b0\u7b56\u7565<\/strong><\/h2>\n
\u901a\u8fc7\u9ad8\u7ea7\u670d\u52a1\u4ea7\u54c1\u5c06\u591a\u4f59\u5bb9\u91cf\u8f6c\u5316\u4e3a\u6536\u5165\uff1a<\/p>\n
1. \u4f01\u4e1a\u7ea7VPS\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
– \u914d\u7f6e\u9ad8\u53ef\u7528\u6027\u529f\u80fd<\/p>\n
– \u81ea\u52a8\u5907\u4efd\u7cfb\u7edf<\/p>\n
– DDoS\u9632\u62a4\u96c6\u6210<\/p>\n
2. \u6258\u7ba1\u6570\u636e\u5e93\u670d\u52a1\uff1a<\/strong><\/p>\n
– \u591a\u5f15\u64ce\u652f\u6301\uff08MySQL\u3001PostgreSQL\u3001MongoDB\uff09<\/p>\n
– \u81ea\u52a8\u6269\u5c55\u529f\u80fd<\/p>\n
– \u5b9e\u65f6\u76d1\u63a7\u548c\u544a\u8b66<\/p>\n
3. \u8fb9\u7f18\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
– \u4f4e\u5ef6\u8fdf\u8ba1\u7b97\u8282\u70b9<\/p>\n
– \u5185\u5bb9\u5206\u53d1\u4f18\u5316<\/p>\n
– \u533a\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\u76d1\u63a7\u67b6\u6784<\/strong><\/h2>\n
\u4f7f\u7528Prometheus\u3001Grafana\u548cAlertManager\u5b9e\u65bd\u590d\u6742\u7684\u76d1\u63a7\u7cfb\u7edf\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
\u9ad8\u7ea7\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e<\/strong><\/h2>\n
\u5b9e\u65bd\u5177\u6709SSL\u7ec8\u7aef\u548c\u5065\u5eb7\u68c0\u67e5\u7684\u590d\u6742HAProxy\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
\u8d44\u6e90\u4f18\u5316\u6307\u6807\u4e0e\u5206\u6790<\/strong><\/h2>\n
\u5b9e\u65bd\u5168\u9762\u7684\u6027\u80fd\u6307\u6807\uff1a<\/p>\n
– \u8d44\u6e90\u5229\u7528\u7387\u6539\u8fdb\u8ddf\u8e2a<\/p>\n
– \u6210\u672c\u964d\u4f4e\u5206\u6790<\/p>\n
– \u8d44\u6e90\u53d8\u73b0\u6536\u5165<\/p>\n
– \u6027\u80fd\u5f71\u54cd\u8bc4\u4f30<\/p>\n
– \u5bb9\u91cf\u89c4\u5212\u9884\u6d4b<\/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\u6765\u7684\u57fa\u7840\u8bbe\u65bd\u89c4\u5212<\/strong><\/h2>\n
\u8bbe\u8ba1\u53ef\u6269\u5c55\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u5305\u542b\uff1a<\/p>\n
– \u81ea\u52a8\u5316\u8d44\u6e90\u914d\u7f6e<\/p>\n
– \u9884\u6d4b\u6027\u6269\u5c55\u7b97\u6cd5<\/p>\n
– \u707e\u96be\u6062\u590d\u534f\u8bae<\/p>\n
– \u6027\u80fd\u4f18\u5316\u6307\u5357<\/p>\n
– \u5bb9\u91cf\u9884\u6d4b\u6a21\u578b<\/p>\n
\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u8d44\u6e90\u4f18\u5316\u7684\u9ad8\u7ea7\u6280\u672f\uff0c\u4f01\u4e1a\u53ef\u4ee5\u5728\u4fdd\u6301\u5353\u8d8a\u6027\u80fd\u6807\u51c6\u7684\u540c\u65f6\u5b9e\u73b0\u663e\u8457\u7684\u6210\u672c\u8282\u7ea6\u3002\u5bf9\u8fd9\u4e9b\u7b56\u7565\u7684\u5b9a\u671f\u76d1\u63a7\u548c\u8c03\u6574\u53ef\u786e\u4fdd\u8d44\u6e90\u5229\u7528\u7387\u6301\u7eed\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_column][vc_column_text] \u5728\u9999\u6e2f\u5145\u6ee1\u6d3b\u529b\u7684\u670d\u52a1\u5668\u79df\u7528\u5e02\u573a\u4e2d\uff0c\u4f01\u4e1a\u7ecf\u5e38\u9762\u4e34\u72ec\u7acb\u670d\u52a1\u5668\u914d\u7f6e\u8fc7\u5ea6\u7684\u6311\u6218\uff0c\u5bfc\u81f4\u5927\u91cf\u8d44\u6e90\u672a\u88ab\u5145\u5206\u5229\u7528\u548c\u4e0d\u5fc5\u8981\u7684\u652f\u51fa\u3002\u672c\u6280\u672f\u6307\u5357\u6df1\u5165\u63a2\u8ba8\u4e86\u5728\u72ec\u7279\u7684\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e0b\uff0c\u5982\u4f55\u5728\u4fdd\u8bc1\u6700\u4f73\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u540c\u65f6\uff0c\u6700\u5927\u5316\u670d\u52a1\u5668\u8d44\u6e90\u6548\u7387\u7684\u9ad8\u7ea7\u89e3\u51b3\u65b9\u6848\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] \u4e86\u89e3\u670d\u52a1\u5668\u8d44\u6e90\u5229\u7528\u4e0d\u8db3\u6a21\u5f0f \u6709\u6548\u7684\u8d44\u6e90\u4f18\u5316\u59cb\u4e8e\u7cbe\u786e\u7684\u6307\u6807\u5206\u6790\u3002\u914d\u7f6e\u8fc7\u5ea6\u7684\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a – CPU\u4f7f\u7528\u6a21\u5f0f\uff1a \u9ad8\u5cf0\u65f6\u6bb5\u5e73\u5747\u4f7f\u7528\u7387\u6301\u7eed\u4f4e\u4e8e20% – \u5185\u5b58\u5206\u914d\uff1a RAM\u4f7f\u7528\u6a21\u5f0f\u663e\u793a\u4f4e\u4e8e40%\u7684\u4f7f\u7528\u7387 – \u7f51\u7edc\u5e26\u5bbd\uff1a \u5b9e\u9645\u541e\u5410\u91cf\u660e\u663e\u4f4e\u4e8e\u5408\u540c\u5e26\u5bbd – \u5b58\u50a8\u5229\u7528\u7387\uff1a \u8d85\u8fc750%\u7684\u5b58\u50a8\u5bb9\u91cf\u672a\u88ab\u4f7f\u7528 – I\/O\u64cd\u4f5c\uff1a \u78c1\u76d8I\/O\u7387\u8fdc\u4f4e\u4e8e\u786c\u4ef6\u80fd\u529b \u4f7f\u7528\u4ee5\u4e0b\u76d1\u63a7\u547d\u4ee4\u8fdb\u884c\u51c6\u786e\u8bc4\u4f30\uff1a # CPU\u4f7f\u7528\u7387\u76d1\u63a7 top -b -n 1 | grep “Cpu(s)” # \u5185\u5b58\u4f7f\u7528\u5206\u6790 free -m # \u78c1\u76d8I\/O\u7edf\u8ba1 iostat -x 1 3 # \u7f51\u7edc\u5e26\u5bbd\u76d1\u63a7 iftop -n [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] \u9ad8\u7ea7\u865a\u62df\u5316\u5b9e\u65bd \u73b0\u4ee3\u865a\u62df\u5316\u6280\u672f\u63d0\u4f9b\u4e86\u590d\u6742\u7684\u8d44\u6e90\u5206\u533a\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5e26\u6709\u6027\u80fd\u4f18\u5316\u7684\u5b8c\u6574KVM\u8bbe\u7f6e\uff1a # \u589e\u5f3a\u578bKVM\u5b89\u88c5\u53ca\u6027\u80fd\u5de5\u5177 apt-get install qemu-kvm […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":18153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[4399,4400,4401,2285,248],"class_list":["post-18159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-dedicated-server-resources-sc","tag-server-virtualization-sc","tag-resource-utilization-sc","tag-server-optimization-sc","tag-hong-kong-server-rental-sc"],"acf":[],"yoast_head":"\n\u5982\u4f55\u4f18\u5316\u914d\u7f6e\u8fc7\u5ea6\u7684\u72ec\u7acb\u670d\u52a1\u5668\u8d44\u6e90\uff1f<\/title>\n<meta name=\"description\" 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