{"id":2282,"date":"2017-05-27T22:02:03","date_gmt":"2017-05-27T14:02:03","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2282"},"modified":"2017-05-27T22:02:03","modified_gmt":"2017-05-27T14:02:03","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-linux-%e4%b8%ad%e5%88%a0%e9%99%a4%e8%b6%85%e5%a4%a7%e7%9a%84%ef%bc%88100-200gb%ef%bc%89%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/%e5%a6%82%e4%bd%95%e5%9c%a8-linux-%e4%b8%ad%e5%88%a0%e9%99%a4%e8%b6%85%e5%a4%a7%e7%9a%84%ef%bc%88100-200gb%ef%bc%89%e6%96%87%e4%bb%b6\/","title":{"rendered":"\u5982\u4f55\u5728 Linux \u4e2d\u5220\u9664\u8d85\u5927\u7684\uff08100-200GB\uff09\u6587\u4ef6"},"content":{"rendered":"

\u901a\u5e38\uff0c\u8981\u5728 Linux \u7ec8\u7aef\u5220\u9664\u4e00\u4e2a\u6587\u4ef6\uff0c\u6211\u4eec\u4f7f\u7528 rm \u547d\u4ee4\uff08\u5220\u9664\u6587\u4ef6\uff09\u3001shred \u547d\u4ee4\uff08\u5b89\u5168\u5220\u9664\u6587\u4ef6\uff09\u3001wipe \u547d\u4ee4\uff08\u5b89\u5168\u64e6\u9664\u6587\u4ef6\uff09\u6216\u8005 secure-deletion \u5de5\u5177\u5305\uff08\u4e00\u4e2a\u5b89\u5168\u6587\u4ef6\u5220\u9664\u5de5\u5177\u96c6\u5408\uff09\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0a\u8ff0\u4efb\u610f\u7684\u5de5\u5177\u6765\u5904\u7406\u76f8\u5bf9\u8f83\u5c0f\u7684\u6587\u4ef6\u3002\u5982\u679c\u6211\u4eec\u60f3\u8981\u5220\u9664\u8d85\u5927\u7684\u6587\u4ef6\/\u6587\u4ef6\u5939\uff0c\u6bd4\u5982\u5927\u6982 100-200GB\uff0c\u5728\u5220\u9664\u6587\u4ef6\uff08I\/O \u8c03\u5ea6\uff09\u6240\u82b1\u8d39\u7684\u65f6\u95f4\u4ee5\u53ca RAM \u5360\u7528\u91cf\u65b9\u9762\uff0c\u5c31\u6ca1\u6709\u4f60\u60f3\u7684\u90a3\u4e48\u7b80\u5355\u3002<\/p>\n

\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4f1a\u89e3\u91ca\u5982\u4f55\u5728 Linux \u4e2d\u6709\u6548\u7387\u5e76\u53ef\u9760\u5730\u5220\u9664\u5927\u6587\u4ef6\/\u6587\u4ef6\u5939\u3002<\/p>\n

 <\/p>\n

\u6211\u4eec\u7684\u4e3b\u8981\u76ee\u6807\u662f\u4f7f\u7528\u4e00\u79cd\u4e0d\u4f1a\u5728\u5220\u9664\u5927\u6587\u4ef6\u65f6\u62d6\u6162\u7cfb\u7edf\u7684\u6280\u672f\uff0c\u5408\u7406\u5730\u5360\u7528 I\/O\u3002\u6211\u4eec\u53ef\u4ee5\u7528 ionice \u547d\u4ee4\u5b9e\u73b0\u8fd9\u4e2a\u76ee\u6807\u3002<\/p>\n

\u5728 Linux \u4e2d\u4f7f\u7528 ionice \u547d\u4ee4\u5220\u9664\u8d85\u5927\uff08200GB\uff09\u6587\u4ef6<\/h3>\n

ionice \u662f\u4e00\u4e2a\u53ef\u4ee5\u5bf9\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u8bbe\u7f6e\u6216\u83b7\u53d6 I\/O \u8c03\u5ea6\u7ea7\u522b\u548c\u4f18\u5148\u7ea7\u7684\u6709\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u6ca1\u6709\u7ed9\u51fa\u53c2\u6570\u6216\u8005\u53ea\u6709 -p<\/code> \u53c2\u6570\uff0c\u90a3\u4e48 ionice \u5c06\u4f1a\u67e5\u8be2\u8be5\u8fdb\u7a0b\u7684\u5f53\u524d\u7684 I\/O \u8c03\u5ea6\u7ea7\u522b\u4ee5\u53ca\u4f18\u5148\u7ea7\u3002<\/p>\n

\u5982\u679c\u6211\u4eec\u7ed9\u51fa\u547d\u4ee4\u540d\u79f0\uff0c\u5982 rm<\/code> \u547d\u4ee4\uff0c\u5b83\u5c06\u4f7f\u7528\u7ed9\u5b9a\u7684\u53c2\u6570\u8fd0\u884c\u6b64\u547d\u4ee4\u3002\u8981\u83b7\u53d6\u6216\u8bbe\u7f6e\u8c03\u5ea6\u53c2\u6570\uff0c\u8bf7\u6307\u5b9a[\u8fdb\u7a0b\u7684 PID]\uff0c\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. #<\/span> ionice <\/span>-<\/span>p PID<\/span><\/code><\/li>\n<\/ol>\n

    \u8981\u6307\u5b9a\u540d\u5b57\u6216\u8005\u8c03\u5ea6\u7684\u6570\u5b57\uff0c\u4f7f\u7528\uff080 \u8868\u793a\u65e0\u30011 \u8868\u793a\u5b9e\u65f6\u30012 \u8868\u793a\u5c3d\u529b\u30013 \u8868\u793a\u7a7a\u95f2\uff09\u4e0b\u9762\u7684\u547d\u4ee4\u3002<\/p>\n

    \u4ee5\u4e0b\u547d\u4ee4\u8868\u793a rm<\/code> \u4f1a\u5c5e\u4e8e\u7a7a\u95f2 I\/O \u7ea7\u522b\uff0c\u5e76\u4e14\u53ea\u5728\u5176\u4ed6\u8fdb\u7a0b\u4e0d\u4f7f\u7528\u7684\u65f6\u5019\u4f7f\u7528 I\/O\uff1a<\/p>\n

      \n
    1. ----<\/span> Deleting<\/span> Huge<\/span> Files<\/span> in<\/span> Linux<\/span> -----<\/span><\/code><\/li>\n
    2. #<\/span> ionice <\/span>-<\/span>c <\/span>3<\/span> rm<\/span> \/<\/span>var<\/span>\/<\/span>logs<\/span>\/<\/span>syslog<\/span><\/code><\/li>\n
    3. #<\/span> ionice <\/span>-<\/span>c <\/span>3<\/span> rm<\/span> -<\/span>rf <\/span>\/<\/span>var<\/span>\/<\/span>log<\/span>\/<\/span>apache<\/span><\/code><\/li>\n<\/ol>\n

      \u5982\u679c\u7cfb\u7edf\u4e2d\u6ca1\u6709\u5f88\u591a\u7a7a\u95f2\u65f6\u95f4\uff0c\u90a3\u4e48\u6211\u4eec\u5e0c\u671b\u4f7f\u7528\u5c3d\u529b\u8c03\u5ea6\u7ea7\u522b\uff0c\u5e76\u4e14\u4f7f\u7528\u4f4e\u4f18\u5148\u7ea7\uff1a<\/p>\n

        \n
      1. #<\/span> ionice <\/span>-<\/span>c <\/span>2<\/span> -<\/span>n <\/span>6<\/span> rm<\/span> \/<\/span>var<\/span>\/<\/span>logs<\/span>\/<\/span>syslog<\/span><\/code><\/li>\n
      2. #<\/span> ionice <\/span>-<\/span>c <\/span>2<\/span> -<\/span>n <\/span>6<\/span> rm<\/span> -<\/span>rf <\/span>\/<\/span>var<\/span>\/<\/span>log<\/span>\/<\/span>apache<\/span><\/code><\/li>\n<\/ol>\n

        \u6ce8\u610f\uff1a\u8981\u4f7f\u7528\u5b89\u5168\u7684\u65b9\u6cd5\u5220\u9664\u5927\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5148\u524d\u63d0\u5230\u7684 shred<\/code>\u3001wipe<\/code> \u4ee5\u53ca secure-deletion \u5de5\u5177\u5305\u4e2d\u7684\u4e0d\u540c\u5de5\u5177\uff0c\u800c\u4e0d\u662f rm<\/code> \u547d\u4ee4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u901a\u5e38\uff0c\u8981\u5728 Linux \u7ec8\u7aef\u5220\u9664\u4e00\u4e2a\u6587\u4ef6\uff0c\u6211\u4eec\u4f7f\u7528 rm \u547d\u4ee4\uff08\u5220\u9664\u6587\u4ef6\uff09\u3001shred \u547d\u4ee4\uff08\u5b89\u5168\u5220\u9664\u6587\u4ef6\uff09\u3001 … \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":[49],"tags":[],"class_list":["post-2282","post","type-post","status-publish","format-standard","hentry","category-linux"],"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\/2282","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=2282"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2282\/revisions"}],"predecessor-version":[{"id":2283,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2282\/revisions\/2283"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}