{"id":7752,"date":"2026-06-25T13:34:58","date_gmt":"2026-06-25T05:34:58","guid":{"rendered":"https:\/\/www.5x44.cn\/?p=7752"},"modified":"2026-06-25T13:34:58","modified_gmt":"2026-06-25T05:34:58","slug":"linux%e4%b8%8b%e7%a1%ac%e4%bb%b6%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=7752","title":{"rendered":"linux\u4e0b\u786c\u4ef6\u6d4b\u8bd5"},"content":{"rendered":"\n

\u4e00\u3001\u786c\u76d8\uff0c\u6d4b\u8bd5\u8f6f\u4ef6fio<\/strong><\/p>\n\n\n\n

fio \u9ad8\u9891\u5fc5\u8c03\u53c2\u6570\uff08\u6d4b\u8bd5\u65f6\u91cd\u70b9\u5173\u6ce8\uff09<\/p>\n\n\n\n

\u53c2\u6570<\/strong><\/th>\u8bf4\u660e<\/strong><\/th>\u5178\u578b\u53d6\u503c<\/strong><\/th><\/tr><\/thead>
--name=<\/code><\/td>Job \u540d\u79f0\uff0c\u5fc5\u586b<\/td>randread_4k<\/code>\u3001seq_write<\/code>\u7b49<\/td><\/tr>
--filename=<\/code><\/td>\u6d4b\u8bd5\u76ee\u6807\uff1a\u6587\u4ef6\u8def\u5f84\u6216\u88f8\u8bbe\u5907<\/td>\/data\/fio.test<\/code>\u6216 \/dev\/sdb<\/code>\u26a0\ufe0f\u88f8\u76d8\u4f1a\u8986\u5199\u6570\u636e<\/td><\/tr>
--rw=<\/code><\/td>\u8bfb\u5199\u6a21\u5f0f<\/td>randread<\/code>\/ randwrite<\/code>\/ read<\/code>\/ write<\/code>\/ randrw<\/code><\/td><\/tr>
--bs=<\/code><\/td>\u5757\u5927\u5c0f(Block Size)<\/td>4k<\/code>\uff08\u6d4b IOPS\/\u6570\u636e\u5e93\uff09\u30018k<\/code>\uff08Oracle\/TPC-C\uff09\u3001128k~1M<\/code>\uff08\u6d4b\u541e\u5410\uff09<\/td><\/tr>
--size=<\/code><\/td>\u6d4b\u8bd5\u6587\u4ef6\u603b\u5927\u5c0f\uff0c\u5efa\u8bae > \u7269\u7406\u5185\u5b58\u9632\u7f13\u5b58\u5e72\u6270<\/td>10G<\/code>\u300150G<\/code><\/td><\/tr>
--iodepth=<\/code><\/td>I\/O \u961f\u5217\u6df1\u5ea6\uff08\u5f02\u6b65\u5f15\u64ce\u6709\u6548\uff09\uff0c\u6a21\u62df\u5e76\u53d1\u5f85\u5904\u7406\u8bf7\u6c42\u6570<\/td>HDD:1~4 \/ SATA SSD:16~32 \/ NVMe:32~128<\/td><\/tr>
--numjobs=<\/code><\/td>\u5e76\u53d1 job \u6570\uff08\u8fdb\u7a0b\/\u7ebf\u7a0b\uff09<\/td>1 \u6216\u591a\u6838\u5e76\u884c\u5e38\u7528 4~$(nproc)<\/td><\/tr>
--ioengine=<\/code><\/td>I\/O \u5f15\u64ce<\/td>libaio<\/code>\uff08Linux \u5f02\u6b65\uff0c\u6700\u5e38\u7528\uff09\u3001io_uring<\/code>\uff08\u5185\u6838\u22655.1\uff09\u3001psync<\/code><\/td><\/tr>
--direct=<\/code><\/td>\u662f\u5426\u7ed5\u8fc7 Page Cache\uff0c1<\/code>=O_DIRECT\uff08\u771f\u5b9e\u78c1\u76d8\u6027\u80fd\uff09\uff0c0<\/code>=\u8d70\u7f13\u5b58<\/td>\u6d4b\u78c1\u76d8\u52a1\u5fc5\u8bbe 1<\/strong>\u200b<\/td><\/tr>
--runtime=<\/code><\/td>\u6d4b\u8bd5\u6301\u7eed\u65f6\u95f4\uff08\u79d2\uff09<\/td>60~300<\/code><\/td><\/tr>
--time_based<\/code><\/td>\u6309\u65f6\u95f4\u8dd1\u6ee1 runtime\uff08\u5373\u4f7f size \u5199\u5b8c\u4e5f\u5faa\u73af\uff09<\/td>\u901a\u5e38\u52a0\u6b64\u53c2\u6570<\/td><\/tr>
--group_reporting<\/code><\/td>\u5408\u5e76\u591a job \u6c47\u603b\u8f93\u51fa<\/td>\u901a\u5e38\u52a0\u6b64\u53c2\u6570<\/td><\/tr>
--ramp_time=<\/code><\/td>\u9884\u70ed\u65f6\u95f4\uff0c\u6570\u636e\u4e0d\u8ba1\u5165\u7ed3\u679c<\/td>10~30<\/code><\/td><\/tr>
--rwmixread=<\/code><\/td>randrw\/rw \u6a21\u5f0f\u4e0b\u8bfb\u5360\u6bd4(%)<\/td>70<\/code>\uff0870%\u8bfb30%\u5199\uff09<\/td><\/tr>
--fsync=<\/code><\/td>\u6bcf\u6b21 N \u6b21\u5199\u540e\u8c03 fsync() \u5237\u76d8\uff0c\u6a21\u62df WAL \u65e5\u5fd7\u573a\u666f<\/td>0<\/code>\uff08\u9ed8\u8ba4\u4e0d\u5237\uff09\/ 1<\/code>\uff08\u6bcf\u6b21\u5199\u5237\uff09<\/td><\/tr>
--thread<\/code><\/td>\u7528\u7ebf\u7a0b\u800c\u975e fork \u8fdb\u7a0b\uff08\u7701\u8d44\u6e90\uff09<\/td>\u53ef\u9009<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u786c\u76d8\uff0c\u6d4b\u8bd5\u8f6f\u4ef6fio fio \u9ad8\u9891\u5fc5\u8c03\u53c2\u6570\uff08\u6d4b\u8bd5\u65f6\u91cd\u70b9\u5173\u6ce8\uff09 \u53c2\u6570 \u8bf4\u660e \u5178\u578b\u53d6\u503c –name= Job \u540d\u79f0\uff0c\u5fc5\u586b randread_4k\u3001seq_wr…<\/p>\n

Read More Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-7752","post","type-post","status-publish","format-standard","hentry","category-it"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7752"}],"version-history":[{"count":1,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7752\/revisions"}],"predecessor-version":[{"id":7753,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7752\/revisions\/7753"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}