{"id":3576,"date":"2018-07-17T13:03:54","date_gmt":"2018-07-17T05:03:54","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=3576"},"modified":"2018-07-17T13:03:54","modified_gmt":"2018-07-17T05:03:54","slug":"centos%e8%ae%be%e7%bd%ae%e5%ae%9a%e6%97%b6%e6%b8%85%e9%99%a4buffcache%e7%9a%84%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/centos%e8%ae%be%e7%bd%ae%e5%ae%9a%e6%97%b6%e6%b8%85%e9%99%a4buffcache%e7%9a%84%e8%84%9a%e6%9c%ac\/","title":{"rendered":"CentOS\u8bbe\u7f6e\u5b9a\u65f6\u6e05\u9664buff\/cache\u7684\u811a\u672c"},"content":{"rendered":"<p>\u610f\uff1a\u6b64\u65b9\u6cd5\u4e0d\u80fd\u7528\u4e8e\u89e3\u51b3\u7edf\u7269\u7406\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\uff0c\u5bfc\u81f4\u90e8\u5206\u670d\u52a1\u88ab\u5f3a\u5236\u5173\u95ed\u7684\u95ee\u9898<\/p>\n<p>\u8981\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u670d\u52a1\u5668\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u7684\u95ee\u9898\uff0c\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\uff08https:\/\/www.idaobin.com\/archives\/345\uff09<\/p>\n<p>\u7528root\u7528\u6237\u521b\u5efa\u5b9a\u65f6\u4efb\u52a1<\/p>\n<p>\u5207\u6362\u5230root\u7528\u6237<\/p>\n<p>su &#8211; root<\/p>\n<p>\u521b\u5efa\u811a\u672c\u6587\u4ef6<\/p>\n<p>touch cleanCache.sh<\/p>\n<p>vim cleanCache.sh<\/p>\n<p>\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>#!\/bin\/bash<br \/>\n#\u6bcf\u4e24\u5c0f\u65f6\u6e05\u9664\u4e00\u6b21\u7f13\u5b58<br \/>\necho &#8220;\u5f00\u59cb\u6e05\u9664\u7f13\u5b58&#8221;<br \/>\nsync;sync;sync #\u5199\u5165\u786c\u76d8\uff0c\u9632\u6b62\u6570\u636e\u4e22\u5931<br \/>\nsleep 10 #\u5ef6\u8fdf10\u79d2<br \/>\necho 3 &gt; \/proc\/sys\/vm\/drop_caches<\/p>\n<p>\u521b\u5efa\u5b9a\u65f6\u4efb\u52a1<\/p>\n<p>crontab -e  \/\/\u5f39\u51fa\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a\uff08\u6309\u9700\u4fee\u6539\uff09<\/p>\n<p>0 *\/2 * * * .\/cleanCache.sh<\/p>\n<p>\u4fdd\u8bc1crond\u542f\u52a8\u4ee5\u53ca\u5f00\u673a\u81ea\u542f<\/p>\n<p>systemctl start crond.service<\/p>\n<p>systemctl enable crond.service<\/p>\n<p>\u67e5\u770bbuff\/cache\u60c5\u51b5<\/p>\n<p>free -m<\/p>\n<p>\u67e5\u770b\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u88ab\u6267\u884c<\/p>\n<p>cat \/var\/log\/cron | grep cleanCache<\/p>\n<p>\u6ce8\u610f\uff1a\u53ea\u8981\u4efb\u52a1\u521b\u5efa\u4e86\uff0c\u5373\u4f7f\u9000\u51fa\u7528\u6237\u767b\u5f55\uff0c\u4efb\u52a1\u8fd8\u662f\u4f1a\u6267\u884c<\/p>\n<p>\u6700\u540e\uff1a\u6b64\u65b9\u6cd5\u6e05\u7406\u7f13\u5b58\u53ea\u662f\u7d27\u6025\u4e34\u65f6\u7528\u7684\uff0c\u4e0d\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u6b64\u65b9\u6cd5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u610f\uff1a\u6b64\u65b9\u6cd5\u4e0d\u80fd\u7528\u4e8e\u89e3\u51b3\u7edf\u7269\u7406\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\uff0c\u5bfc\u81f4\u90e8\u5206\u670d\u52a1\u88ab\u5f3a\u5236\u5173\u95ed\u7684\u95ee\u9898 \u8981\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u670d\u52a1\u5668\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u7684\u95ee\u9898 &#8230; <a title=\"CentOS\u8bbe\u7f6e\u5b9a\u65f6\u6e05\u9664buff\/cache\u7684\u811a\u672c\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/centos%e8%ae%be%e7%bd%ae%e5%ae%9a%e6%97%b6%e6%b8%85%e9%99%a4buffcache%e7%9a%84%e8%84%9a%e6%9c%ac\/\" aria-label=\"\u9605\u8bfb CentOS\u8bbe\u7f6e\u5b9a\u65f6\u6e05\u9664buff\/cache\u7684\u811a\u672c\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,49,5],"tags":[847],"class_list":["post-3576","post","type-post","status-publish","format-standard","hentry","category-hemanual","category-linux","category-jishu","tag-buffcache"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=3576"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3576\/revisions"}],"predecessor-version":[{"id":3577,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3576\/revisions\/3577"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=3576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=3576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=3576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}