{"id":36456,"date":"2024-11-26T15:06:07","date_gmt":"2024-11-26T07:06:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36456\/"},"modified":"2024-11-26T15:06:07","modified_gmt":"2024-11-26T07:06:07","slug":"%e5%9c%a8linux%e7%b3%bb%e7%bb%9f%e4%b8%8a%e6%89%a9%e5%b1%95swap%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36456\/","title":{"rendered":"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/172683577746646.jpg\" class=\"aligncenter\" title=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe\" alt=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe\" \/><\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u4ea4\u6362\u6587\u4ef6\u5728\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u7684\u65b9\u6cd5<\/p>\n<p>\u8ba9\u6211\u4eec\u9996\u5148\u68c0\u67e5\u73b0\u6709\u7684\u4ea4\u6362\u7a7a\u95f4\/\u5206\u533a\u7684\u5927\u5c0f\uff0c\u4f7f\u7528\u547d\u4ee4 <span style=\"padding: 4px 8px;font-size: 12px;border-radius: 3px;color: #c7254e;background-color: #f9f2f4\">free -m<\/span>\u6216\u8005<span style=\"padding: 4px 8px;font-size: 12px;border-radius: 3px;color: #c7254e;background-color: #f9f2f4\">swapon -s<\/span><\/p>\n<p>&nbsp;&nbsp;&nbsp;<img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/172683577779921.jpg\" class=\"aligncenter\" title=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe1\" alt=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe1\" \/><\/p>\n<p>\u6211\u7684\u4ea4\u6362\u5206\u533a\u5927\u5c0f\u662f2 GB\uff0c\u6211\u4eec\u5c06\u628a\u4ea4\u6362\u7a7a\u95f4\u6269\u5c551GB\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a\u4f7f\u7528\u4e0b\u9762\u7684dd\u547d\u4ee4\u521b\u5efa\u5927\u5c0f\u4e3a1GB\u4ea4\u6362\u6587\u4ef6<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>[root@linuxtechi ~]# dd if=http:\/\/www.3lian.com\/dev\/zero of=http:\/\/www.3lian.com\/swap_file bs=1G count=1\n\n1+0 records in\n\n1+0 records out\n\n1073741824 bytes (1.1 GB) copied, 414.898 s, 2.6 MB\/s\n\n[root@linuxtechi ~]#\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6839\u636e\u4f60\u7684\u9700\u8981\u66ff\u6362 <span style=\"padding: 4px 8px;font-size: 12px;border-radius: 3px;color: #c7254e;background-color: #f9f2f4\">bs<\/span> \u548c <span style=\"padding: 4px 8px;font-size: 12px;border-radius: 3px;color: #c7254e;background-color: #f9f2f4\">count<\/span>\u7684\u5927\u5c0f.<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u8bbe\u7f6e\u4ea4\u6362\u6587\u4ef6\u6743\u9650\u4e3a600<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>[root@linuxtechi ~]# chmod 600 \/swap_file\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7b2c\u4e09\u6b65\uff1a\u7528\u6587\u4ef6\u5f00\u542f\u4ea4\u6362\u533a(swap_file)<\/p>\n<p>\u7528mkswap\u547d\u4ee4\u5f00\u542f\u4ea4\u6362\u533a<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>[root@linuxtechi ~]# mkswap \/swap_file\n\nSetting up swapspace version 1, size = 1048572 KiB\n\nno label, UUID=f7b3ae59-c09a-4dc2-ba4d-c02abb7db33b\n\n[root@linuxtechi ~]#\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7b2c\u56db\u6b65\uff1a\u5728fstab\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ea4\u6362\u6587\u4ef6\u6761\u76ee<\/p>\n<p>\u5728fstab\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u6761\u76ee\uff0c\u4ee5\u4fbf\u4ea4\u6362\u6587\u4ef6\u6bcf\u6b21\u91cd\u542f\u540e\u4e92\u80fd\u7ee7\u7eed\u4f7f\u7528.<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>\/swap_file swap swap defaults 0 0<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/172683577768370.jpg\" class=\"aligncenter\" title=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe2\" alt=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe2\" \/><\/p>\n<p>\u3000\u3000\u7b2c\u4e94\u6b65\uff1a\u7528\u547d\u4ee4 \u2018mkswap on\u2019 \u542f\u7528\u4ea4\u6362\u6587\u4ef6.<\/p>\n<p>\u590d\u5236\u4ee3\u7801<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>[root@linuxtechi ~]# swapon \/swap_file<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7b2c\u516d\u6b65\uff1a\u73b0\u5728\u67e5\u770b\u4ea4\u6362\u7a7a\u95f4<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/172683577756520.jpg\" class=\"aligncenter\" title=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe3\" alt=\"\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u63d2\u56fe3\" \/><\/p>\n<p>\u3000\u3000Note: \u4e3a\u4e86\u907f\u514d\u51fa\u73b0\u610f\u5916\u7684\u60c5\u51b5\uff0c\u5982\u4e0b\u6240\u793a\u4f7f\u7528swapoff\u547d\u4ee4\u5173\u95ed\u5b83\uff0c\u4ec5\u5728\u9700\u8981\u4f7f\u7528\u65f6\uff0c\u4f7f\u7528\u6b65\u9aa45\u6240\u793a\u7684swapon\u547d\u4ee4\uff0c\u91cd\u65b0\u542f\u7528\u4ea4\u6362\u6587\u4ef6\u3002<\/p>\n<p>\u4ee3\u7801\u5982\u4e0b:<\/p>\n<pre>[root@linuxtechi ~]# swapoff \/swap_file<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5728Linux\u7cfb\u7edf\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u4ea4\u6362\u6587\u4ef6\u5728\u4e0a\u6269\u5c55swap\u7a7a\u95f4\u7684\u65b9\u6cd5 \u8ba9\u6211\u4eec\u9996\u5148\u68c0\u67e5\u73b0\u6709\u7684\u4ea4\u6362\u7a7a\u95f4\/\u5206\u533a\u7684\u5927\u5c0f\uff0c\u4f7f\u7528\u547d\u4ee4 free -m\u6216\u8005swapon -s &nbsp;&nbsp;&nbsp; \u6211\u7684\u4ea4\u6362\u5206\u533a\u5927\u5c0f\u662f2 GB\uff0c\u6211\u4eec\u5c06\u628a\u4ea4\u6362\u7a7a\u95f4\u6269\u5c551GB\u3002 \u7b2c\u4e00\u6b65\uff1a\u4f7f\u7528\u4e0b\u9762\u7684dd\u547d\u4ee4\u521b\u5efa\u5927\u5c0f\u4e3a1GB\u4ea4\u6362\u6587\u4ef6 \u4ee3\u7801\u5982\u4e0b: [root@linuxtechi ~]# dd if=http:\/\/www.3lian.com\/dev\/zero of=http:\/\/www.3lian.com\/swap_file bs=1G count=1 1+0 records in 1+0 records out 1073741824 bytes (1.1 GB) copied, 414.898 s, 2.6 MB\/s [root@linuxtechi ~]# \u767b\u5f55\u540e\u590d\u5236 \u6839\u636e\u4f60\u7684\u9700\u8981\u66ff\u6362 bs \u548c count\u7684\u5927\u5c0f. \u7b2c\u4e8c\u6b65\uff1a\u8bbe\u7f6e\u4ea4\u6362\u6587\u4ef6\u6743\u9650\u4e3a600 \u4ee3\u7801\u5982\u4e0b: [root@linuxtechi ~]# chmod 600 \/swap_file \u767b\u5f55\u540e\u590d\u5236 \u7b2c\u4e09\u6b65\uff1a\u7528\u6587\u4ef6\u5f00\u542f\u4ea4\u6362\u533a(swap_file) \u7528mkswap\u547d\u4ee4\u5f00\u542f\u4ea4\u6362\u533a \u4ee3\u7801\u5982\u4e0b: [root@linuxtechi ~]# mkswap \/swap_file Setting [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-36456","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=36456"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36456\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}