{"id":1193,"date":"2018-03-14T22:13:28","date_gmt":"2018-03-14T14:13:28","guid":{"rendered":"https:\/\/www.toodyao.com\/?p=1193"},"modified":"2018-03-22T21:21:09","modified_gmt":"2018-03-22T13:21:09","slug":"ubuntu%e5%a2%9e%e5%a4%a7swap%ef%bc%88%e8%99%9a%e6%8b%9f%e5%86%85%e5%ad%98%ef%bc%89%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/www.toodyao.com\/?p=1193","title":{"rendered":"Ubuntu\u589e\u5927swap\uff08\u865a\u62df\u5185\u5b58\uff09\u5927\u5c0f"},"content":{"rendered":"<p>\u8fd1\u671f\u6211\u7ad9\u603b\u662f\u9047\u5230\u201cError establishing a database connection\u201d\u9519\u8bef\uff0c\u91cd\u542f\u540e\u53c8\u53ef\u4ee5\u91cd\u542f\u8bbf\u95ee\uff0c<span style=\"font-size: 1rem;\">\u8fd9\u4e2a\u9519\u8bef\u7684\u5177\u4f53\u5206\u6790\u4f1a\u5728<a href=\"https:\/\/www.toodyao.com\/?p=1282\">\u53e6\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\u8bb2\uff0c<\/span><span style=\"font-size: 1rem;\">\u5c1d\u8bd5\u589e\u5927swap\u6765\u89e3\u51b3\u95ee\u9898\u3002<\/span><\/p>\n<h1>1.\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/h1>\n<p>\u4f7f\u7528\u00a0<span class=\"lang:default highlight:0 decode:true crayon-inline \">free -m<\/span>\u00a0 \u547d\u4ee4\uff1a<\/p>\n<p><a href=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1195\" src=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture-1.png\" alt=\"\" width=\"854\" height=\"138\" srcset=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture-1.png 854w, https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture-1-300x48.png 300w, https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture-1-768x124.png 768w\" sizes=\"auto, (max-width: 854px) 100vw, 854px\" \/><\/a><\/p>\n<p>\u53ef\u4ee5\u770b\u5230swap\u53ea\u6709255M<\/p>\n<h1>2.\u521b\u5efaswap\u6587\u4ef6<\/h1>\n<pre class=\"lang:default highlight:0 decode:true\">mkdir \/swap\ncd \/swap\nsudo dd if=\/dev\/zero of=swapfile bs=1024 count=1000000<\/pre>\n<p>\u6211\u662f\u5728\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u7684swap\uff0c\u65b9\u4fbf\u7ba1\u7406\u4e5f\u597d\u8bb0<\/p>\n<p><a href=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1196\" src=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture2.png\" alt=\"\" width=\"856\" height=\"156\" srcset=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture2.png 856w, https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture2-300x55.png 300w, https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture2-768x140.png 768w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/a><\/p>\n<p>\u53ef\u4ee5\u770b\u5230Linode\u7684IO\u6027\u80fd\u8fd8\u662f\u5f88\u4e0d\u9519\u7684\uff0c\u80fd\u5230438MB\/S<\/p>\n<p>\u628a\u751f\u6210\u7684\u6587\u4ef6\u8f6c\u6362\u6210 Swap \u6587\u4ef6\uff1a<\/p>\n<p><span class=\"lang:default highlight:0 decode:true crayon-inline\">sudo mkswap -f swap<\/span><\/p>\n<p>\u628a\u751f\u6210\u7684swap \u6587\u4ef6\u52a0\u5165\u5230\u7cfb\u7edf\u4e2d\uff1a<\/p>\n<p><span class=\"lang:default highlight:0 decode:true crayon-inline\">sudo swapon swap<\/span><\/p>\n<p>\u67e5\u770b\u5206\u914d\u60c5\u51b5\uff1a<\/p>\n<p><span class=\"lang:default highlight:0 decode:true crayon-inline \">free -m<\/span><\/p>\n<p><a href=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1197\" src=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture3.png\" alt=\"\" width=\"856\" height=\"270\" srcset=\"https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture3.png 856w, https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture3-300x95.png 300w, https:\/\/www.toodyao.com\/wp-content\/uploads\/2018\/03\/Capture3-768x242.png 768w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/a><\/p>\n<p>\u6210\u529f\u589e\u52a0\u4e86 1G ~<\/p>\n<hr \/>\n<p><span style=\"color: #999999;\">\u53c2\u8003\uff1a<a style=\"color: #999999;\" href=\"http:\/\/blog.csdn.net\/Demon_xiaochunjie\/article\/details\/51441271\">http:\/\/blog.csdn.net\/Demon_xiaochunjie\/article\/details\/51441271<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u671f\u6211\u7ad9\u603b\u662f\u9047\u5230\u201cError establishing a database connection\u201d\u9519\u8bef\uff0c\u91cd\u542f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,7],"tags":[],"class_list":["post-1193","post","type-post","status-publish","format-standard","hentry","category-linux","category-7"],"_links":{"self":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts\/1193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1193"}],"version-history":[{"count":6,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts\/1193\/revisions"}],"predecessor-version":[{"id":1288,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=\/wp\/v2\/posts\/1193\/revisions\/1288"}],"wp:attachment":[{"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.toodyao.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}