{"id":2408,"date":"2022-09-01T20:11:59","date_gmt":"2022-09-01T12:11:59","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=2408"},"modified":"2023-10-04T06:31:35","modified_gmt":"2023-10-03T22:31:35","slug":"linux-%e5%87%8f%e5%b0%91swap%e5%88%86%e5%8c%ba%e7%9a%84%e4%bd%bf%e7%94%a8%e6%9d%83%e9%87%8d","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=2408","title":{"rendered":"LINUX \u51cf\u5c11SWAP\u5206\u533a\u7684\u4f7f\u7528\u6743\u91cd"},"content":{"rendered":"

swappiness\uff0cLinux\u5185\u6838\u53c2\u6570\uff0c\u63a7\u5236\u6362\u51fa\u8fd0\u884c\u65f6\u5185\u5b58\u7684\u76f8\u5bf9\u6743\u91cd\u3002swappiness\u53c2\u6570\u503c\u53ef\u8bbe\u7f6e\u8303\u56f4\u57280\u5230100\u4e4b\u95f4\u3002 \u4f4e\u53c2\u6570\u503c\u4f1a\u8ba9\u5185\u6838\u5c3d\u91cf\u5c11\u7528\u4ea4\u6362\uff0c\u66f4\u9ad8\u53c2\u6570\u503c\u4f1a\u4f7f\u5185\u6838\u66f4\u591a\u7684\u53bb\u4f7f\u7528\u4ea4\u6362\u7a7a\u95f4\u3002\u9ed8\u8ba4\u503c\u4e3a60\uff08\u53c2\u8003\u7f51\u7edc\u8d44\u6599\uff1a\u5f53\u5269\u4f59\u7269\u7406\u5185\u5b58\u4f4e\u4e8e40%\uff0840=100-60\uff09\u65f6\uff0c\u5f00\u59cb\u4f7f\u7528\u4ea4\u6362\u7a7a\u95f4\uff09\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u64cd\u4f5c\u7cfb\u7edf\uff0c\u8bbe\u7f6e\u4e3a100\u53ef\u80fd\u4f1a\u5f71\u54cd\u6574\u4f53\u6027\u80fd\uff0c\u800c\u8bbe\u7f6e\u4e3a\u66f4\u4f4e\u503c\uff08\u751a\u81f3\u4e3a0\uff09\u5219\u53ef\u80fd\u51cf\u5c11\u54cd\u5e94\u5ef6\u8fdf\u3002<\/p>\n

\u4fee\u6539swappiness\u7684\u503c<\/h3>\n

1\uff09\u4e34\u65f6\u8bbe\u7f6e\uff08\u91cd\u542f\u540e\u5931\u6548\uff09<\/p>\n

# sysctl -w vm.swappiness=15
\nvm.swappiness = 15<\/code><\/p>\n

# cat \/proc\/sys\/vm\/swappiness
\n15<\/p>\n

2\uff09\u6c38\u4e45\u8bbe\u7f6e<\/p>\n

\u5728\/etc\/sysctl.conf\u4e2d\u7f16\u8f91\uff0c\u589e\u52a0\u5982\u4e0b\u53c2\u6570\uff08\u5982\u679c\u5b58\u5728\u7684\u8bdd\uff09<\/p>\n

vm.swappiness = 15<\/code><\/p>\n

sysctl -p\u00a0 (\u7acb\u5373\u751f\u6548\uff09<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

swappiness\uff0cLinux\u5185\u6838\u53c2\u6570\uff0c\u63a7\u5236\u6362\u51fa\u8fd0\u884c\u65f6\u5185\u5b58\u7684\u76f8\u5bf9\u6743\u91cd\u3002swappiness\u53c2\u6570\u503c\u53ef\u8bbe\u7f6e\u8303\u56f4\u5728 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2408"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2408"}],"version-history":[{"count":3,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2408\/revisions"}],"predecessor-version":[{"id":2411,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2408\/revisions\/2411"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}