{"id":622,"date":"2021-07-29T11:02:23","date_gmt":"2021-07-29T03:02:23","guid":{"rendered":"https:\/\/egonlin.com\/?p=622"},"modified":"2021-07-29T11:02:23","modified_gmt":"2021-07-29T03:02:23","slug":"%e7%ac%ac%e4%ba%8c%e8%8a%82%ef%bc%9a%e8%87%aa%e5%ae%9a%e4%b9%89%e8%a7%a6%e5%8f%91%e5%99%a8","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=622","title":{"rendered":"\u7b2c\u4e8c\u8282\uff1a\u81ea\u5b9a\u4e49\u89e6\u53d1\u5668"},"content":{"rendered":"

\u81ea\u5b9a\u4e49\u89e6\u53d1\u5668<\/h1>\n
\u89e6\u53d1\u5668\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u62a5\u8b66\u6761\u4ef6\n\u4e00\u4e2a\u89e6\u53d1\u5668\u81f3\u5c11\u5bf9\u5e94\u4e00\u4e2a\u76d1\u63a7\u9879<\/code><\/pre>\n
\u4e00\u3001\u6d4b\u8bd5\u89e6\u53d1\u5668\u544a\u8b66<\/h2>\n
1\u3001\u5f00\u542f\u58f0\u97f3\u544a\u8b66<\/h3>\n
\"\"<\/div><\/p>\n
2\u3001\u627e\u4e2a\u597d\u6d4b\u8bd5\u7684\u5df2\u5b58\u5728\u76d1\u63a7\u9879\u5e76\u542b\u6709\u89e6\u53d1\u5668<\/h3>\n
\"\"<\/div><\/p>\n
\"\"<\/div><\/p>\n
\"\"<\/div><\/p>\n
3\u3001\u4fee\u6539\u66f4\u65b0\u95f4\u9694\u5e76\u66f4\u65b0<\/h3>\n
\"\"<\/div><\/p>\n
4\u3001\u5173\u95edswap\u5206\u533a<\/h3>\n
[root@web01 ~]# swapoff -a<\/code><\/pre>\n
5\u3001\u53d1\u73b0\u51fa\u73b0\u62a5\u8b66\u58f0\u4e14\u9875\u9762\u663e\u793a\u95ee\u9898<\/h3>\n
\"\"<\/div><\/p>\n
\u540e\u9762\u53ef\u4ee5\u5c06\u62a5\u8b66\u6539\u4e3a\u5176\u4ed6\u65b9\u5f0f<\/code><\/pre>\n
\u4e8c\u3001\u81ea\u5b9a\u4e49\u89e6\u53d1\u5668<\/h2>\n
1\u3001\u9009\u5b9a\u65e0\u89e6\u53d1\u5668\u7684\u76d1\u63a7\u9879<\/h3>\n
\"\"<\/div>
\n
\"\"<\/div><\/p>\n
2\u3001\u4fee\u6539\u76d1\u63a7\u9879\u66f4\u65b0\u95f4\u9694<\/h3>\n
\"\"<\/div><\/p>\n
3\u3001\u521b\u5efa\u89e6\u53d1\u5668<\/h3>\n
\"\"<\/div>
\n
\"\"<\/div>
\n
\"\"<\/div><\/p>\n
{web01:system.users.num.last()}>3\n\u62c6\u5206\uff1a\n    {\n    web01               \u4e3b\u673a\u540d\n    :\n    system.users.num    \u76d1\u63a7\u7684key\n    .\n    last()              \u51fd\u6570\uff08\u6700\u65b0\uff09  \n    }\n    >3\n\n    {\u4e3b\u673a\u540d:key.avg(5m)}>3          \u5e73\u5747\u4e94\u5206\u949f\u5927\u4e8e3\uff0c\u544a\u8b66\n    {\u4e3b\u673a\u540d:key.nodata(5m)}=1      \u5e73\u5747\u4e94\u5206\u949f\u6ca1\u6709\u6570\u636e\uff0c\u544a\u8b66<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u4e09\u3001\u89e6\u53d1\u89e6\u53d1\u5668<\/h2>\n
\"\"<\/div>
\n
\"\"<\/div>
\n
\"\"<\/div><\/p>\n
\u56db\u3001\u89e3\u51b3\u544a\u8b66<\/h2>\n
ctrl+d      \u5173\u95ed\u767b\u5f55\u7528\u6237\n[root@web01 ~]# swapon -a       \u6253\u5f00swap\u5206\u533a<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u4e94\u3001\u5e38\u7528\u89e6\u53d1\u5668\u51fd\u6570<\/h2>\n
1\u3001diff<\/h3>\n
\u6700\u65b0\u503c\u548c\u524d\u4e00\u4e2a\u662f\u5426\u6709\u53d8\u5316\n1\uff1atrue \u6709\u53d8\u5316\n0\uff1afase \u65e0\u53d8\u5316\n\u5e38\u7528\u4e8e\u68c0\u6d4b\u67d0\u4e2a\u6587\u4ef6\u662f\u5426\u6709\u53d8\u5316\n\n{10.0.0.8:vfs.file.cksum[\/etc\/passwd].diff()}>0\n\u4e3b\u673a\uff1a10.0.0.8\nkey\u503c\uff1avfs.file.cksum[\/etc\/passwd]\n\u51fd\u6570\u65b9\u6cd5\uff1adiff() \u5bf9\u6bd4\u4e24\u6b21\u76d1\u63a7\u9879\u7684\u503c<\/code><\/pre>\n
2\u3001last<\/h3>\n
\u67e5\u770b\u6700\u65b0\u503c\u7684\u5927\u5c0f\n\n\u6307\u5b9a\u8303\u56f4\n\n\u68c0\u6d4b\u6570\u91cf\u6216\u5927\u5c0f\u7684\u9608\u503c\u3001\u4f8b\u5982\u767b\u5f55\u7528\u6237\u6570\uff0c\u5185\u5b58\u5360\u7528\n\n{10.0.0.8:proc.num.last()}\/{10.0.0.8:kernel.maxproc.las\nt()}*100>80\n10.0.0.8:proc.num\uff1a\u5f53\u524d\u8fd0\u884c\u8fdb\u7a0b\n10.0.0.8:kernel.maxproc \u7cfb\u7edf\u6700\u5927\u5141\u8bb8\u8fdb\u7a0b\u7684\u6570\u91cf\n\u51fd\u6570\u65b9\u6cd5\uff1alast() \u6700\u65b0\u503c\n<\/code><\/pre>\n
3\u3001avg<\/h3>\n
\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5468\u671f\u7684\u5e73\u5747\u503c\n\n\u68c0\u6d4b\u4e00\u6bb5\u65f6\u95f4\u8d44\u6e90\u7684\u4f7f\u7528\u3001\u4f8b\u5982cpu\u8d1f\u8f7d\uff0c\u7f51\u7edc\u5e26\u5bbd\u5360\u7528\u7b49\u6ce2\u52a8\u6307\u6807<\/code><\/pre>\n
4\u3001max\u3001min<\/h3>\n
max\uff1a\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5185\u6700\u5927\u503c\nmin\uff1a\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5185\u6700\u5c0f\u503c\n\n{10.0.0.8:vm.memory.size[available].min(5m)}\n<{$MEMORY.AVAILABLE.MIN} and\n{10.0.0.8:vm.memory.size[total].last()}>0\n\u51fd\u6570\u65b9\u6cd5 mim(5m),max(5m),avg(5m)\n{$MEMORY.AVAILABLE.MIN}=20m\nand \u540c\u65f6\n10.0.0.8:vm.memory.size[total] \u6700\u65b0\u7684\u603b\u5185\u5b58\u5927\u5c0f<\/code><\/pre>\n
6\u3001nodata<\/h3>\n
\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5185\u6ca1\u6709\u53d1\u73b0\u6570\u636e\n\n\u67e5\u770b\u67d0\u4e2a\u670d\u52a1\u662f\u5426\u5b58\u6d3b<\/code><\/pre>\n
\u516d\u3001\u6062\u590d\u89e6\u53d1\u5668\u8868\u8fbe\u5f0f<\/h2>\n
\"\"<\/div>
\n
\"\"<\/div><\/p>\n
\u5e38\u7528\u4e8e\u5468\u671f\u5185\u6ce2\u52a8\u503c\u7684\u68c0\u6d4b<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u81ea\u5b9a\u4e49\u89e6\u53d1\u5668 \u89e6\u53d1\u5668\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u62a5\u8b66\u6761\u4ef6 \u4e00\u4e2a\u89e6\u53d1\u5668\u81f3\u5c11\u5bf9\u5e94\u4e00\u4e2a\u76d1\u63a7\u9879 \u4e00\u3001\u6d4b\u8bd5\u89e6\u53d1\u5668\u544a\u8b66 1\u3001\u5f00\u542f\u58f0\u97f3\u544a\u8b66 2 […]<\/p>\n","protected":false},"author":3,"featured_media":630,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[104],"tags":[21,19,22,117,118,20],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/622"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=622"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/622\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/630"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}