{"id":744,"date":"2022-09-23T13:46:39","date_gmt":"2022-09-23T05:46:39","guid":{"rendered":"https:\/\/www.jchj.top\/?p=744"},"modified":"2025-09-26T11:25:59","modified_gmt":"2025-09-26T03:25:59","slug":"%e5%86%85%e5%ad%98%e5%9b%9e%e6%94%b6%e4%b8%8d%e5%8f%8a%e6%97%b6%e5%af%bc%e8%87%b4%e5%8d%a1%e6%ad%bb","status":"publish","type":"post","link":"https:\/\/www.jchj.top\/?p=744","title":{"rendered":"\u5185\u5b58\u56de\u6536\u4e0d\u53ca\u65f6\u5bfc\u81f4\u5361\u6b7b"},"content":{"rendered":"\n<p><strong>\u5185\u5b58\u56de\u6536\u4e0d\u53ca\u65f6\u5bfc\u81f4\u5361\u6b7b<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"330\" src=\"https:\/\/www.jchj.top\/wp-content\/uploads\/2022\/09\/image-3.png\" alt=\"\" class=\"wp-image-745\"\/><\/figure>\n\n\n\n<p>\u4e00\u76f4\u4e0d\u7ba1\u8d1f\u8f7d\u4f1a\u5230100+<\/p>\n\n\n\n<p>\/var\/log\/message<\/p>\n\n\n\n<p>Jan 21 12:25:50 k8s-node16 kernel: XFS: 6(6472) possible memory allocation deadlock size 384 in kmem_alloc (mode:0x250)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"167\" src=\"https:\/\/www.jchj.top\/wp-content\/uploads\/2022\/09\/image-4.png\" alt=\"\" class=\"wp-image-746\"\/><\/figure>\n\n\n\n<p><strong>\u95ee\u9898\u539f\u56e0\uff1a<\/strong><\/p>\n\n\n\n<p>\u5185\u5b58\u56de\u6536\u4e0d\u53ca\u65f6\uff0c\u788e\u7247\u5316\u3002\u5f53\u67d0\u8fdb\u7a0b\u6267\u884c\u65f6\uff0c\u5728 xfs \u7684\u7533\u8bf7\u5185\u5b58\u4e2d\u6709\u8fde\u7eed\u7684\u5927\u5757\u5185\u5b58\u7533\u8bf7\u8bf7\u6c42\u3002\u5c31\u4f1a\u5bfc\u81f4\u5185\u5b58\u4e00\u76f4\u5206\u914d\u4e0d\u5230\u3002\u4f8b\u5982\u6267\u884c docker \u547d\u4ee4,kubelet \u7b49\u64cd\u4f5c\uff0c\u56de\u4e00\u76f4\u963b\u585e\u5728 kmem_alloc \u5faa\u73af\u4e2d\uff0c \u53cd\u590d\u7533\u8bf7\u5185\u5b58\uff0c\u7531\u4e8e\u5185\u5b58\u788e\u7247\u6ca1\u6709\u88ab\u7ec4\u5408\uff0c\u56e0\u6b64\u5c31\u4e00\u76f4\u7533\u8bf7\u4e0d\u5230\u6267\u884c\u547d\u4ee4\u4e5f\u4f1a\u5361\u4f4f\uff0c\u8fd9\u4e5f\u5c31\u9a8c\u8bc1\u4e86\u6267\u884c\u67d0\u4e9b ps,ssh \u90fd\u4f1a\u5931\u8d25\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u5185\u5b58\u788e\u7247\u8fc7\u591a\uff0c\u65e0\u6cd5\u5206\u914d\u8fde\u7eed\u5927\u5757\u5185\u5b58\u5bfc\u81f4\u8fdb\u7a0b\u7b49\u5f85\u5185\u5b58\u56de\u6536\u3002<\/p>\n\n\n\n<p>min_free_kbytes\u8bbe\u7f6e\u8fc7\u5c0f\uff0cCentOS\u9ed8\u8ba4\u8bbe\u7f6e60M<\/p>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u5f0f\uff1a<\/strong><\/p>\n\n\n\n<p>Linux \u63d0\u4f9b\u4e86 min_free_kbytes \uff0c\u7528\u6765\u786e\u5b9a\u7cfb\u7edf\u5f00\u59cb\u56de\u6536\u5185\u5b58\u7684\u9608\u503c\uff0c\u63a7\u5236\u7cfb\u7edf\u7684\u7a7a\u95f2\u5185\u5b58\u3002\u503c\u8d8a\u9ad8\uff0c\u5185\u6838\u8d8a\u65e9\u5f00\u59cb\u56de\u6536\u5185\u5b58\uff0c\u7a7a\u95f2\u5185\u5b58\u8d8a\u9ad8\u3002<\/p>\n\n\n\n<p>\u8c03\u6574\u4e3a4G<\/p>\n\n\n\n<p>\uff081\uff09\u7acb\u5373\u91ca\u653e<\/p>\n\n\n\n<p>echo 4194304 &gt; \/proc\/sys\/vm\/min_free_kbytes<\/p>\n\n\n\n<p>\uff082\uff09\u6c38\u4e45\u8bbe\u7f6e<\/p>\n\n\n\n<p>vi \/etc\/sysctl.conf<\/p>\n\n\n\n<p>vm.min_free_kbytes = 4194304<\/p>\n\n\n\n<p><strong>\u53c2\u8003\u6587\u732e<\/strong>\uff1a<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>echo 2097152 &gt; \/proc\/sys\/vm\/min_free_kbytes<\/p>\n\n\n\n<p>vi \/etc\/sysctl.conf<\/p>\n\n\n\n<p>vm.min_free_kbytes = 2097152<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5185\u5b58\u56de\u6536\u4e0d\u53ca\u65f6\u5bfc\u81f4\u5361\u6b7b \u4e00\u76f4\u4e0d\u7ba1\u8d1f\u8f7d\u4f1a\u5230100+ &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,7,1],"tags":[],"class_list":["post-744","post","type-post","status-publish","format-standard","hentry","category-linux","category-7","category-1"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts\/744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=744"}],"version-history":[{"count":1,"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts\/744\/revisions"}],"predecessor-version":[{"id":747,"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts\/744\/revisions\/747"}],"wp:attachment":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}