{"id":52963,"date":"2024-10-09T07:09:16","date_gmt":"2024-10-08T23:09:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/52963\/"},"modified":"2024-11-14T10:36:40","modified_gmt":"2024-11-14T02:36:40","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-ubuntu-%e4%b8%8a%e5%a2%9e%e5%8a%a0-swap-%e4%ba%a4%e6%8f%9b%e7%a9%ba%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/52963\/","title":{"rendered":"\u5982\u4f55\u5728 Ubuntu \u4e0a\u589e\u52a0 swap \u4ea4\u63db\u7a7a\u9593"},"content":{"rendered":"

\u5982\u4f55\u5728 Ubuntu \u4e0a\u589e\u52a0 Swap \u4ea4\u63db\u7a7a\u9593<\/h1>\n

\u5728\u4f7f\u7528 Ubuntu \u7cfb\u7d71\u6642\uff0c\u7576\u7cfb\u7d71\u7684\u7269\u7406\u5167\u5b58\u4e0d\u8db3\u4ee5\u6eff\u8db3\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u6642\uff0c\u589e\u52a0 Swap \u4ea4\u63db\u7a7a\u9593\u662f\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002Swap \u7a7a\u9593\u53ef\u4ee5\u5e6b\u52a9\u7cfb\u7d71\u5728\u5167\u5b58\u4e0d\u8db3\u6642\u7e7c\u7e8c\u904b\u884c\uff0c\u907f\u514d\u56e0\u70ba\u5167\u5b58\u4e0d\u8db3\u800c\u5c0e\u81f4\u7684\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\u6216\u7cfb\u7d71\u4e0d\u7a69\u5b9a\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Ubuntu \u4e0a\u589e\u52a0 Swap \u4ea4\u63db\u7a7a\u9593\u7684\u6b65\u9a5f\u3002<\/p>\n

\u4ec0\u9ebc\u662f Swap \u4ea4\u63db\u7a7a\u9593\uff1f<\/h2>\n

Swap \u4ea4\u63db\u7a7a\u9593\u662f\u786c\u789f\u4e0a\u7684\u4e00\u90e8\u5206\uff0c\u7528\u65bc\u81e8\u6642\u5b58\u5132\u4e0d\u6d3b\u8e8d\u7684\u5167\u5b58\u9801\u9762\u3002\u7576\u7cfb\u7d71\u7684 RAM \u4f7f\u7528\u91cf\u9054\u5230\u4e0a\u9650\u6642\uff0c\u64cd\u4f5c\u7cfb\u7d71\u6703\u5c07\u4e00\u4e9b\u4e0d\u5e38\u7528\u7684\u6578\u64da\u79fb\u52d5\u5230 Swap \u7a7a\u9593\uff0c\u5f9e\u800c\u91cb\u653e RAM \u4ee5\u4f9b\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u904b\u884c\u5927\u578b\u61c9\u7528\u7a0b\u5e8f\u6216\u591a\u4efb\u52d9\u8655\u7406\u6642\u3002<\/p>\n

\u6aa2\u67e5\u7576\u524d\u7684 Swap \u7a7a\u9593<\/h2>\n

\u5728\u589e\u52a0 Swap \u7a7a\u9593\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684 Swap \u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684 Swap \u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n

sudo swapon --show<\/code><\/pre>\n
\u5982\u679c\u6c92\u6709\u986f\u793a\u4efb\u4f55\u5167\u5bb9\uff0c\u5247\u8868\u793a\u7cfb\u7d71\u76ee\u524d\u6c92\u6709\u555f\u7528 Swap \u7a7a\u9593\u3002\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n
free -h<\/code><\/pre>\n
\u589e\u52a0 Swap \u4ea4\u63db\u7a7a\u9593\u7684\u6b65\u9a5f<\/h2>\n
\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 Swap \u6587\u4ef6<\/h3>\n
\u4f7f\u7528 Swap \u6587\u4ef6\u662f\u4e00\u7a2e\u7c21\u55ae\u4e14\u9748\u6d3b\u7684\u65b9\u6cd5\u4f86\u589e\u52a0 Swap \u7a7a\u9593\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n
    \n
  1. \u5275\u5efa Swap \u6587\u4ef6\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u5927\u5c0f\u70ba 1GB \u7684 Swap \u6587\u4ef6\uff08\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u5927\u5c0f\uff09\uff1a<\/li>\n
    sudo fallocate -l 1G \/swapfile<\/code><\/pre>\n
  2. \u8a2d\u7f6e\u6b63\u78ba\u7684\u6b0a\u9650\uff1a<\/strong>\u70ba\u4e86\u5b89\u5168\u8d77\u898b\uff0c\u60a8\u9700\u8981\u8a2d\u7f6e Swap \u6587\u4ef6\u7684\u6b0a\u9650\uff1a<\/li>\n
    sudo chmod 600 \/swapfile<\/code><\/pre>\n
  3. \u5c07\u6587\u4ef6\u8a2d\u7f6e\u70ba Swap \u7a7a\u9593\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u6587\u4ef6\u8a2d\u7f6e\u70ba Swap \u7a7a\u9593\uff1a<\/li>\n
    sudo mkswap \/swapfile<\/code><\/pre>\n
  4. \u555f\u7528 Swap \u6587\u4ef6\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u7528 Swap \u6587\u4ef6\uff1a<\/li>\n
    sudo swapon \/swapfile<\/code><\/pre>\n
  5. \u78ba\u8a8d Swap \u662f\u5426\u555f\u7528\uff1a<\/strong>\u518d\u6b21\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 Swap \u4f7f\u7528\u60c5\u6cc1\uff1a<\/li>\n
    sudo swapon --show<\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 Swap \u5206\u5340<\/h3>\n
    \u5982\u679c\u60a8\u5e0c\u671b\u4f7f\u7528\u5206\u5340\u800c\u4e0d\u662f\u6587\u4ef6\u4f86\u589e\u52a0 Swap \u7a7a\u9593\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n
      \n
    1. \u5275\u5efa Swap \u5206\u5340\uff1a<\/strong>\u4f7f\u7528\u5206\u5340\u5de5\u5177\uff08\u5982 fdisk \u6216 gparted\uff09\u4f86\u5275\u5efa\u4e00\u500b\u65b0\u7684\u5206\u5340\uff0c\u4e26\u5c07\u5176\u985e\u578b\u8a2d\u7f6e\u70ba Linux Swap\u3002<\/li>\n
    2. \u8a2d\u7f6e\u5206\u5340\u70ba Swap \u7a7a\u9593\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u65b0\u5206\u5340\u8a2d\u7f6e\u70ba Swap \u7a7a\u9593\uff1a<\/li>\n
      sudo mkswap \/dev\/sdXn<\/code><\/pre>\n
      \u8acb\u5c07 \/dev\/sdXn \u66ff\u63db\u70ba\u60a8\u7684\u5206\u5340\u540d\u7a31\u3002<\/p>\n
    3. \u555f\u7528 Swap \u5206\u5340\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u7528 Swap \u5206\u5340\uff1a<\/li>\n
      sudo swapon \/dev\/sdXn<\/code><\/pre>\n
    4. \u78ba\u8a8d Swap \u662f\u5426\u555f\u7528\uff1a<\/strong>\u518d\u6b21\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 Swap \u4f7f\u7528\u60c5\u6cc1\uff1a<\/li>\n
      sudo swapon --show<\/code><\/pre>\n<\/li>\n<\/ol>\n
      \u4f7f Swap \u8a2d\u7f6e\u6c38\u4e45\u751f\u6548<\/h2>\n
      \u7121\u8ad6\u60a8\u4f7f\u7528\u7684\u662f Swap \u6587\u4ef6\u9084\u662f Swap \u5206\u5340\uff0c\u60a8\u90fd\u9700\u8981\u5c07\u5176\u6dfb\u52a0\u5230 \/etc\/fstab \u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u81ea\u52d5\u555f\u7528\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7de8\u8f2f fstab \u6587\u4ef6\uff1a<\/p>\n
      sudo nano \/etc\/fstab<\/code><\/pre>\n
      \u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n
      \/swapfile none swap sw 0 0<\/code><\/pre>\n
      \u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f Swap \u5206\u5340\uff0c\u5247\u6dfb\u52a0\uff1a<\/p>\n
      \/dev\/sdXn none swap sw 0 0<\/code><\/pre>\n
      \u7e3d\u7d50<\/h2>\n
      \u589e\u52a0 Swap \u4ea4\u63db\u7a7a\u9593\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u63d0\u9ad8 Ubuntu \u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528 Swap \u6587\u4ef6\u9084\u662f Swap \u5206\u5340\uff0c\u60a8\u90fd\u53ef\u4ee5\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u3002\u4e86\u89e3\u5982\u4f55\u7ba1\u7406 Swap \u7a7a\u9593\u5c0d\u65bc\u904b\u884c \u9999\u6e2f VPS<\/a> \u6216\u5176\u4ed6\u4f3a\u670d\u5668\u81f3\u95dc\u91cd\u8981\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u7136\u80fd\u5920\u5e73\u7a69\u904b\u884c\u3002\u82e5\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc \u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5b78\u7fd2\u5982\u4f55\u5728 Ubuntu \u4e0a\u589e\u52a0 swap \u4ea4\u63db\u7a7a\u9593\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6d41\u66a2\u904b\u884c\u61c9\u7528\u7a0b\u5f0f\u548c\u8655\u7406\u591a\u4efb\u52d9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-52963","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=52963"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52963\/revisions"}],"predecessor-version":[{"id":52964,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52963\/revisions\/52964"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=52963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=52963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=52963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}