{"id":285257,"date":"2023-10-13T04:02:40","date_gmt":"2023-10-12T20:02:40","guid":{"rendered":"https:\/\/lrxjmw.cn\/sdjbmrszwjss.html"},"modified":"2023-10-13T04:02:40","modified_gmt":"2023-10-12T20:02:40","slug":"sdjbmrszwjss","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/sdjbmrszwjss.html","title":{"rendered":"swappiness\u7684\u57fa\u672c\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a60\uff0c\u52a0\u4e0a\u751f\u6548\u8fd9\u6837\u4fbf\u5b8c\u6210\u4fee\u6539\u8bbe\u7f6e"},"content":{"rendered":"

swappiness\u7684\u503c\u7684\u5927\u5c0f\u5bf9\u600e\u6837\u4f7f\u7528swap\u5206\u533a\u662f\u6709\u7740\u5f88\u5927\u7684\u8054\u7cfb\u7684\u3002swappiness=0\u7684\u65f6\u4faf\u8868\u793a\u6700\u5927\u9650\u5ea6\u4f7f\u7528\u5316\u5b66\u663e\u5b58\uff0c\u4e4b\u540e\u624d\u662fswap\u7a7a\u95f4\uff0cswappiness\uff1d100\u7684\u65f6\u4faf\u8868\u793a\u79ef\u6781\u7684\u4f7f\u7528swap\u5206\u533a\uff0c\u4f46\u662f\u628a\u663e\u5b58\u4e0a\u7684\u6570\u636e\u53ca\u65f6\u7684\u642c\u8fd0\u5230swap\u7a7a\u95f4\u4e0a\u9762\u3002linux\u7684\u57fa\u672c\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a60\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n

cat \/proc\/sys\/vm\/swappiness
#60<\/pre>\n<\/p>\n\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u7684\u663e\u5b58\u5728\u4f7f\u7528\u5230100-60=40%\u7684\u65f6\u4faf\u7ea2\u65d7linux\uff0c\u5c31\u5f00\u59cb\u51fa\u73b0\u6709\u4ea4\u6362\u5206\u533a\u7684\u4f7f\u7528\u3002\u4f60\u4eec\u6653\u5f97\uff0c\u663e\u5b58\u7684\u901f\u7387\u4f1a\u6bd4c\u76d8\u5feb\u597d\u591alinux swap\u5206\u533a\u7684\u4f5c\u7528<\/strong>\uff0c\u8fd9\u6837\u5b50\u4f1a\u52a0\u5f3a\u7cfb\u7edf<\/a>IO\uff0c\u540c\u65f6\u9020\u7684\u6210\u5927\u91cf\u9875\u7684\u6362\u8fdb\u6362\u51fa\uff0c\u4e25\u91cd\u5f71\u54cd\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u6240\u4ee5\u6211\u4eec\u5728\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\uff0c\u8981\u5c3d\u53ef\u80fd\u4f7f\u7528\u663e\u5b58\uff0c\u5bf9\u8be5\u53c2\u6570\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n
<\/p>\n
\u4e34\u65f6\u8c03\u6574\u7684\u65b9\u5f0f\u5982\u4e0b\uff0c\u6211\u4eec\u8c03\u621010\uff1a<\/p>\n
\n
sysctl vm.swappiness=10
#vm.swappiness=10<\/pre>\n<\/p>\n\n
cat \/proc\/sys\/vm\/swappiness\n#10<\/pre>\n<\/p>\n\u8fd9\u53ea\u662f\u4e34\u65f6\u8c03\u6574\u7684\u65b9\u5f0f\uff0c\u91cd\u542f\u540e\u4f1a\u56de\u5230\u9ed8\u8ba4\u8bbe\u7f6e\u7684.<\/p>\n
\u8981\u60f3\u6c38\u4e45\u8c03\u6574\u7684\u8bddlinux\u5f00\u53d1\u57f9\u8bad\uff0c\u987b\u8981\u5728\/etc\/sysctl.conf\u66f4\u6539linux swap\u5206\u533a\u7684\u4f5c\u7528<\/strong>\uff0c\u52a0\u4e0a\uff1a<\/p>\n
\n
sudo vim \/etc\/sysctl.conf<\/pre>\n<\/p>\n\u52a0\u4e0a<\/p>\n
\n
# Controls the maximum number of shared memory segments, in pages\nkernel.shmall = 4294967296 #\u8fd9\u4e00\u4e2a\u53ef\u4ee5\u4e0d\u7528\u8bbe\u7f6e\nvm.swappiness = 10<\/pre>\n<\/p>\n\u751f\u6548<\/p>\n
\n
sudo sysctl -p<\/pre>\n<\/p>\n\u8fd9\u6837\u4fbf\u5b8c\u6210\u66f4\u6539\u8bbe\u7f6e\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
swappiness\u7684\u503c\u7684\u5927\u5c0f\u5bf9\u5982\u4f55\u4f7f\u7528swap\u5206\u533a\u662f\u6709\u7740\u5f88\u5927\u7684\u8054\u7cfb\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u7684\u5185\u5b58\u5728\u4f7f\u7528\u5230100-60=40%\u7684\u65f6\u5019\uff0c\u5c31\u5f00\u59cb\u51fa\u73b0\u6709\u4ea4\u6362\u5206\u533a\u7684\u4f7f\u7528\u3002\u5927\u5bb6\u77e5\u9053\uff0c\u5185\u5b58\u7684\u901f\u5ea6\u4f1a\u6bd4\u78c1\u76d8\u5feb\u5f88\u591a\uff0c\u8fd9\u6837\u5b50\u4f1a\u52a0\u5927\u7cfb\u7edfIO\uff0c\u540c\u65f6\u9020\u7684\u6210\u5927\u91cf\u9875\u7684\u6362\u8fdb\u6362\u51fa\uff0c\u4e25\u91cd\u5f71\u54cd\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u6240\u4ee5\u6211\u4eec\u5728\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\uff0c\u8981\u5c3d\u53ef\u80fd\u4f7f\u7528\u5185\u5b58\uff0c\u5bf9\u8be5\u53c2\u6570\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n","protected":false},"author":1,"featured_media":285258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[988],"tags":[999],"class_list":["post-285257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tougao","tag-999"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/285257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=285257"}],"version-history":[{"count":0,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/285257\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/285258"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=285257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=285257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=285257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}