{"id":112,"date":"2025-01-10T12:34:26","date_gmt":"2025-01-10T04:34:26","guid":{"rendered":"https:\/\/www.zhangyuanchen.cn\/?p=112"},"modified":"2025-01-10T12:35:37","modified_gmt":"2025-01-10T04:35:37","slug":"%e5%a6%82%e4%bd%95%e7%bb%99swap%e5%a2%9e%e5%8a%a0%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"https:\/\/www.zhangyuanchen.cn\/index.php\/2025\/01\/10\/%e5%a6%82%e4%bd%95%e7%bb%99swap%e5%a2%9e%e5%8a%a0%e7%a9%ba%e9%97%b4\/","title":{"rendered":"\u5982\u4f55\u7ed9Swap\u589e\u52a0\u7a7a\u95f4"},"content":{"rendered":"
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1.\u68c0\u67e5\u5f53\u524dSwap\u60c5\u51b5\uff1a\u9996\u5148\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7684Swap\u60c5\u51b5<\/span><\/h4>\n
swapon --show\r\nfree -h<\/code><\/pre>\n
2.<\/span>\u521b\u5efaSwap\u6587\u4ef6<\/span><\/strong>\uff1a\u5982\u679c\u5f53\u524d\u6ca1\u6709\u8db3\u591f\u7684Swap\u7a7a\u95f4\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Swap\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u521b\u5efaSwap\u6587\u4ef6\u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/span><\/h4>\n
\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eSwap\u7684\u6587\u4ef6\uff08\u4f8b\u5982\uff0c1GB\u5927\u5c0f\u7684Swap\u6587\u4ef6\uff09<\/span><\/p>\n
sudo fallocate -l 1G \/path\/to\/swapfile<\/code><\/pre>\n
\u6216\u8005<\/span><\/p>\n
sudo dd if=\/dev\/zero of=\/path\/to\/swapfile bs=1M count=1024<\/code><\/pre>\n
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\u8bbe\u7f6e\u6743\u9650\u548c\u683c\u5f0f\u5316Swap\u6587\u4ef6\uff1a<\/span><\/p>\n
sudo chmod 600 \/path\/to\/swapfile\r\nsudo mkswap \/path\/to\/swapfile<\/code><\/pre>\n
3.<\/span>\u542f\u7528Swap\u6587\u4ef6<\/span><\/strong>\uff1a\u6fc0\u6d3b\u65b0\u7684Swap\u6587\u4ef6\u4ee5\u5f00\u59cb\u4f7f\u7528\u5b83\uff1a<\/span><\/h4>\n
sudo swapon \/path\/to\/swapfile<\/code><\/pre>\n
4.<\/span>\u6c38\u4e45\u6027\u8bbe\u7f6eSwap\u6587\u4ef6<\/span><\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u6bcf\u6b21\u7cfb\u7edf\u91cd\u542f\u540eSwap\u6587\u4ef6\u4f1a\u88ab\u81ea\u52a8\u52a0\u8f7d\uff0c\u9700\u8981\u5c06\u5176\u6dfb\u52a0\u5230 <\/span>\/etc\/fstab<\/span><\/code> \u6587\u4ef6\u4e2d\uff1a<\/span><\/h4>\n
\u6253\u5f00 <\/span>\/etc\/fstab<\/span><\/code> \u6587\u4ef6\u8fdb\u884c\u7f16\u8f91\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/span><\/p>\n
\/path\/to\/swapfile none swap sw 0 0<\/code><\/pre>\n
5.\u9a8c\u8bc1Swap\u8bbe\u7f6e\uff1a\u8fd0\u884c <\/span>swapon --show<\/span><\/code> \u548c <\/span>free -h<\/span><\/code> \u547d\u4ee4\uff0c\u786e\u8ba4\u65b0\u7684Swap\u7a7a\u95f4\u5df2\u7ecf\u6b63\u5e38\u914d\u7f6e\u5e76\u751f\u6548\u3002<\/span><\/h4>\n
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\u5982\u679c\u4e0a\u9762\u7684\u547d\u4ee4\u4e0d\u884c\u53ef\u4ee5\u8fd9\u6837<\/span><\/h1>\n
\u5728\u4f60\u7684\u547d\u4ee4\u4e2d\uff0c<\/span>\/path\/to\/swapfile<\/span><\/code>\u5e94\u8be5\u88ab\u66ff\u6362\u4e3a\u5b9e\u9645\u7684\u6587\u4ef6\u8def\u5f84\u3002\u8bf7\u6309\u7167\u4e0b\u9762\u7684\u6b65\u9aa4\u6765\u6b63\u786e\u521b\u5efaSwap\u6587\u4ef6\uff1a<\/span><\/h4>\n
1.\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\uff1a\u786e\u4fdd\u6307\u5b9a\u7684\u8def\u5f84\u662f\u4e00\u4e2a\u771f\u5b9e\u5b58\u5728\u7684\u76ee\u5f55\uff0c\u6216\u8005\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u4f4d\u7f6e\u6765\u521b\u5efaSwap\u6587\u4ef6\u3002<\/span><\/h4>\n
2.\u4e3e\u4f8b\uff1a\u4ee5<\/span>\/var<\/span><\/code>\u76ee\u5f55\u4e3a\u4f8b\uff0c\u4f60\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u6765\u521b\u5efaSwap\u6587\u4ef6\uff1a<\/span><\/h4>\n
\u4f7f\u7528fallocate\u547d\u4ee4\uff1a<\/span><\/p>\n
sudo fallocate -l 2G \/var\/swapfile<\/code><\/pre>\n
\u6216\u8005\u4f7f\u7528dd\u547d\u4ee4<\/span><\/p>\n
sudo dd if=\/dev\/zero of=\/var\/swapfile bs=1M count=2048<\/code><\/pre>\n
3.\u8bbe\u7f6e\u6587\u4ef6\u6743\u9650\u548c\u683c\u5f0f\u5316<\/span><\/strong>\uff1a\u8bbe\u7f6eSwap\u6587\u4ef6\u7684\u6743\u9650\u5e76\u5c06\u5176\u683c\u5f0f\u5316\u4e3aSwap\u6587\u4ef6\u7cfb\u7edf\uff1a<\/span><\/h4>\n
sudo chmod 600 \/var\/swapfile\r\nsudo mkswap \/var\/swapfile<\/code><\/pre>\n
4.\u542f\u7528Swap\u6587\u4ef6<\/span><\/h4>\n
sudo swapon \/var\/swapfile<\/code><\/pre>\n
5.\u6c38\u4e45\u6027\u8bbe\u7f6eSwap\u6587\u4ef6<\/span><\/strong>\uff1a\u5c06Swap\u6587\u4ef6\u6dfb\u52a0\u5230<\/span>\/etc\/fstab<\/span><\/code>\u6587\u4ef6\u4e2d\u4ee5\u4fbf\u7cfb\u7edf\u91cd\u542f\u65f6\u81ea\u52a8\u52a0\u8f7d\uff1a<\/span><\/h4>\n
\/var\/swapfile none swap sw 0 0<\/code><\/pre>\n
\u4e4b\u540e\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c<\/span>swapon --show<\/span><\/code>\u548c<\/span>free -h<\/span><\/code>\u547d\u4ee4\u6765\u9a8c\u8bc1Swap\u8bbe\u7f6e\u5df2\u751f\u6548\u3002<\/span><\/h4>\n
\n
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\n<\/div>\n","protected":false},"excerpt":{"rendered":"
1.\u68c0\u67e5\u5f53\u524dSwap\u60c5\u51b5\uff1a\u9996\u5148\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7684Swap\u60c5\u51b5 swapon –show free -h 2.\u521b\u5efaSwap\u6587\u4ef6\uff1a\u5982\u679c\u5f53\u524d\u6ca1\u6709\u8db3\u591f\u7684Swap\u7a7a\u95f4\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Swap\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u521b\u5efaSwap\u6587\u4ef6\u7684\u4e00\u822c\u6b65\u9aa4\uff1a \u521b\u5efa\u4e00\u4e2a\u7528\u4e8eSwap\u7684\u6587\u4ef6\uff08\u4f8b\u5982\uff0c1GB\u5927\u5c0f\u7684Swap\u6587\u4ef6\uff09 sudo fallocate -l 1G \/path\/to\/swapfile \u6216\u8005 sudo dd  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/posts\/112"}],"collection":[{"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/comments?post=112"}],"version-history":[{"count":2,"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/posts\/112\/revisions"}],"predecessor-version":[{"id":114,"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/posts\/112\/revisions\/114"}],"wp:attachment":[{"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/media?parent=112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/categories?post=112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangyuanchen.cn\/index.php\/wp-json\/wp\/v2\/tags?post=112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}