{"id":119576,"date":"2022-02-15T21:28:25","date_gmt":"2022-02-15T13:28:25","guid":{"rendered":"http:\/\/www.idc.net\/help\/119576\/"},"modified":"2022-02-15T21:28:25","modified_gmt":"2022-02-15T13:28:25","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9linux%e4%b8%adswap%e5%88%86%e5%8c%ba%e7%9a%84%e5%a4%a7%e5%b0%8f-linux-swap%e5%a4%a7%e5%b0%8f%e4%bf%ae%e6%94%b9","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/119576\/","title":{"rendered":"\u5982\u4f55\u4fee\u6539Linux\u4e2dswap\u5206\u533a\u7684\u5927\u5c0f (linux swap\u5927\u5c0f\u4fee\u6539)"},"content":{"rendered":"<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0cswap\u5206\u533a\u7528\u4e8e\u5b58\u50a8\u4e0d\u5e38\u7528\u7684\u5185\u5b58\u6570\u636e\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5c06\u5176\u8f6c\u79fb\u56deRAM\u4e2d\u3002\u968f\u7740\u7cfb\u7edf\u7684\u4f7f\u7528\uff0cswap\u5206\u533a\u7684\u5927\u5c0f\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u4fee\u6539\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u4e2d\u4fee\u6539swap\u5206\u533a\u7684\u5927\u5c0f\u3002<\/p>\n<p>1. \u68c0\u67e5\u5f53\u524dswap\u5206\u533a\u5927\u5c0f<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u5f53\u524dswap\u5206\u533a\u7684\u5927\u5c0f\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo swapon \u2013show<\/p>\n<p>\u201c`<\/p>\n<p>\u8be5\u547d\u4ee4\u4f1a\u5217\u51fa\u7cfb\u7edf\u4e2d\u6240\u6709\u6fc0\u6d3b\u7684swap\u5206\u533a\uff0c\u5176\u4e2d\u5305\u62ec\u5206\u533a\u7684\u540d\u79f0\u3001\u5927\u5c0f\u3001\u7c7b\u578b\u548c\u6240\u5728\u4f4d\u7f6e\u3002<\/p>\n<p>2. \u5173\u95edswap\u5206\u533a<\/p>\n<p>\u5728\u4fee\u6539swap\u5206\u533a\u5927\u5c0f\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5173\u95ed\u5b83\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u7cfb\u7edf\u4e0a\u7684swap\u5206\u533a\u7981\u7528\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo swapoff \/dev\/<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u4f60\u60f3\u7981\u7528\u7684swap\u5206\u533a\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u4f60\u7684swap\u5206\u533a\u7684\u540d\u79f0\u662f\u201c\/dev\/sda3\u201d\uff0c\u5219\u5e94\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7981\u7528\u5b83\uff1a<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>sudo swapoff \/dev\/sda3<\/p>\n<p>\u201c`<\/p>\n<p>3. \u6539\u53d8swap\u5206\u533a\u5927\u5c0f<\/p>\n<p>\u53ea\u8981\u8be5\u5206\u533a\u4e2d\u6ca1\u6709\u4efb\u4f55\u6570\u636e\uff0c\u5c31\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u6539\u53d8swap\u5206\u533a\u7684\u5927\u5c0f\uff1a<\/p>\n<p>3.1 \u5220\u9664\u65e7swap\u5206\u533a<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5220\u9664\u65e7\u7684swap\u5206\u533a\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo fdisk \/dev\/<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u8be5\u547d\u4ee4\u5c06\u6253\u5f00\u53ef\u4ea4\u4e92\u7684fdisk\u5de5\u5177\uff0c\u5141\u8bb8\u60a8\u5728\u78c1\u76d8\u4e0a\u521b\u5efa\u3001\u4fee\u6539\u548c\u5220\u9664\u5206\u533a\u3002\u8f93\u5165\u201cd\u201d\u5e76\u6309\u4e0bEnter\u952e\u8fdb\u5165\u5220\u9664\u6a21\u5f0f\uff0c\u7136\u540e\u8f93\u5165\u4e0eswap\u5206\u533a\u5bf9\u5e94\u7684\u5206\u533a\u7f16\u53f7\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684swap\u5206\u533a\u7684\u7f16\u53f7\u662f\u201c3\u201d\uff0c\u5219\u8f93\u5165\u201c3\u201d\u3002\u63a5\u4e0b\u6765\uff0c\u9700\u8981\u8f93\u5165\u201cw\u201d\u5e76\u6309\u4e0bEnter\u952e\u6765\u4fdd\u5b58\u5206\u533a\u8868\u66f4\u6539\u5e76\u9000\u51fafdisk\u3002<\/p>\n<p>3.2 \u521b\u5efa\u65b0swap\u5206\u533a<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u65b0\u7684swap\u5206\u533a\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo fdisk \/dev\/<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u4e0e\u5220\u9664\u5206\u533a\u65f6\u4e00\u6837\uff0c\u8f93\u5165\u201cn\u201d\u5e76\u6309\u4e0bEnter\u952e\u8fdb\u5165\u65b0\u5efa\u5206\u533a\u6a21\u5f0f\u3002\u7136\u540e\uff0c\u6309\u7167\u63d0\u793a\u8f93\u5165\u5206\u533a\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a1GB\u7684swap\u5206\u533a\uff0c\u5219\u5e94\u8f93\u5165\u201c+1G\u201d\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u9700\u8981\u5c06\u8be5\u5206\u533a\u6807\u8bb0\u4e3aswap\u5206\u533a\u3002\u8f93\u5165\u201ct\u201d\u5e76\u6309\u4e0bEnter\u952e\uff0c\u7136\u540e\u8f93\u5165\u201c82\u201d\u4ee5\u5c06\u5b83\u6807\u8bb0\u4e3aswap\u5206\u533a\u3002<\/p>\n<p>3.3 \u683c\u5f0f\u5316\u65b0swap\u5206\u533a<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5bf9\u65b0swap\u5206\u533a\u8fdb\u884c\u683c\u5f0f\u5316\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo mkswap \/dev\/<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u4f60\u521a\u521a\u521b\u5efa\u7684\u65b0swap\u5206\u533a\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u65b0swap\u5206\u533a\u7684\u540d\u79f0\u662f\u201c\/dev\/sda5\u201d\uff0c\u5219\u5e94\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u683c\u5f0f\u5316\u5b83\uff1a<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>sudo mkswap \/dev\/sda5<\/p>\n<p>\u201c`<\/p>\n<p>3.4 \u914d\u7f6e\u65b0swap\u5206\u533a<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u65b0swap\u5206\u533a\u6dfb\u52a0\u5230\u7cfb\u7edf\u4e2d\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo swapon \/dev\/<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u4f60\u521a\u521a\u521b\u5efa\u7684\u65b0swap\u5206\u533a\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u65b0swap\u5206\u533a\u7684\u540d\u79f0\u662f\u201c\/dev\/sda5\u201d\uff0c\u5219\u5e94\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5176\u6dfb\u52a0\u5230\u7cfb\u7edf\u4e2d\uff1a<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>sudo swapon \/dev\/sda5<\/p>\n<p>\u201c`<\/p>\n<p>4. \u9a8c\u8bc1\u65b0swap\u5206\u533a\u5927\u5c0f<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1\u65b0\u7684swap\u5206\u533a\u5927\u5c0f\u662f\u5426\u5df2\u6210\u529f\u66f4\u6539\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo swapon \u2013show<\/p>\n<p>\u201c`<\/p>\n<p>\u8be5\u547d\u4ee4\u5e94\u663e\u793a\u65b0\u7684swap\u5206\u533a\u53ca\u5176\u5927\u5c0f\u3002<\/p>\n<p>5. \u6301\u4e45\u5316\u65b0swap\u5206\u533a<\/p>\n<p>\u4e3a\u4e86\u5728\u91cd\u65b0\u542f\u52a8\u7cfb\u7edf\u540e\u4ecd\u7136\u62e5\u6709\u65b0\u7684swap\u5206\u533a\uff0c\u4f60\u9700\u8981\u5411\/etc\/fstab\u6587\u4ef6\u6dfb\u52a0\u4e00\u884c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7f16\u8f91\u8be5\u6587\u4ef6\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo nano \/etc\/fstab<\/p>\n<p>\u201c`<\/p>\n<p>\u5728\u6587\u4ef6\u7684\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>UUID= none swap sw 0 0<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u4f60\u521a\u521a\u521b\u5efa\u7684\u65b0swap\u5206\u533a\u7684UUID\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u627e\u65b0\u5206\u533a\u7684UUID\uff1a<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>sudo blkid \/dev\/<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u5c06\u5176\u4e2d\u7684\u5185\u5bb9\u590d\u5236\u5230\u4e0a\u8ff0\u884c\u4e2d\u3002\u5b8c\u6210\u540e\uff0c\u4fdd\u5b58\u5e76\u9000\u51fa\u6587\u4ef6\u3002<\/p>\n<p>\u7ed3\u8bba<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>\u5b89\u88c5Linux\u65f6\uff0cSwap\u533a\u8981\u8bbe\u7f6e\u4e3a\u591a\u5927\u624d\u5408\u9002<\/li>\n<\/ul>\n<h3>\u5b89\u88c5Linux\u65f6\uff0cSwap\u533a\u8981\u8bbe\u7f6e\u4e3a\u591a\u5927\u624d\u5408\u9002<\/h3>\n<p>1\u3001\u8fd9\u5f97\u770b\u4f60\u6709\u591a\u5c11\u5185\u5b58\uff0c\u7cfb\u7edf\u505a\u4ec0\u4e48\u7528<\/p>\n<p>2\u3001\u5982\u679c\u5b89\u88c5oracle\u6570\u636e\u5e93\uff0coracle\u5b89\u88c5\u6587\u6863\u5c31swap\u5927\u5c0f\u5efa\u8bae<\/p>\n<p>\u5185\u5b58\u5f88\u5c0f\uff0cswap\u8bbe\u7f6e\u5185\u5385\u6094\u535c\u5b58\u76842\u500d<\/p>\n<p>\u5185\u5b58\u4e00\u822c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u548c\u5185\u5b58\u76f8\u7b49<\/p>\n<p>16G\u4ee5\u4e0a\uff0cswap\u8bbe\u7f6e\u5185\u5b58\u76841\/2<\/p>\n<p>3\u3001\u5982\u679c\u505a\u7f51\u7ad9\u670d\u52a1\u5668\uff0c\u770b\u4f60\u7528\u4ec0\u4e48webserver\uff0c\u6bd4\u524d\u6e38\u5982apache\u6216nginx\uff0c\u51e0\u4e4e\u4e0d\u9700\u8981swap<\/p>\n<p>\u5982\u679ctomcat\u6216weblogic\uff0c\u9700\u8981\u8bbe\u7f6eswap\u5927\u4e00\u4e9b<\/p>\n<p>4\u3001\u5047\u8bbe\u4f60\u5185\u5b58\uff0c32G\u621664G\uff0cswap\u8bbe\u7f6e8G\uff0c16G\u90fd\u53ef\u4ee5\uff0c\u56e0\u4e3a\u626e\u7a57\u73b0\u5728\u786c\u76d8\u90fd\u5f88\u5927\uff0c\u5982\u679c\u786c\u76d8\u5f88\u5c0f\uff0c\u6bd4\u598210G\u786c\u76d8\uff0c\u4f60\u628aswap\u52068G\uff0c\u7cfb\u7edf\u5c31\u6ca1\u7a7a\u95f4\u4e86\u3002<\/p>\n<p>\u4e00\u822c\u53ef\u4ee5\u8bbe\u7f6e\u6210\u5185\u5b58\u76841\u52302\u500d<\/p>\n<p>\u5173\u4e8elinux swap\u5927\u5c0f\u4fee\u6539\u7684\u4ecb\u7ecd\u5230\u6b64\u5c31\u7ed3\u675f\u4e86\uff0c\u4e0d\u77e5\u9053\u4f60\u4ece\u4e2d\u627e\u5230\u4f60\u9700\u8981\u7684\u4fe1\u606f\u4e86\u5417 \uff1f\u5982\u679c\u4f60\u8fd8\u60f3\u4e86\u89e3\u66f4\u591a\u8fd9\u65b9\u9762\u7684\u4fe1\u606f\uff0c\u8bb0\u5f97\u6536\u85cf\u5173\u6ce8\u672c\u7ad9\u3002<\/p>\n<p><a href=\"http:https:\/\/idc.net\/\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9996\u9009\u540e\u6d6a\u4e91\uff0c2H2G\u9996\u670810\u5143\u5f00\u901a\u3002<br \/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0cswap\u5206\u533a\u7528\u4e8e\u5b58\u50a8\u4e0d\u5e38\u7528\u7684\u5185\u5b58\u6570\u636e\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5c06\u5176\u8f6c\u79fb\u56deRAM\u4e2d\u3002\u968f\u7740\u7cfb\u7edf\u7684\u4f7f\u7528\uff0cswa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-119576","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/119576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=119576"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/119576\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=119576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=119576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=119576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}