{"id":492,"date":"2016-04-27T14:25:38","date_gmt":"2016-04-27T14:25:38","guid":{"rendered":"55a7cf9c71f1c9c495413f934dd1a158"},"modified":"2016-04-27T14:25:38","modified_gmt":"2016-04-27T14:25:38","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/492","title":{"rendered":"\u78c1\u76d8\u6027\u80fd\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"<p>\u6d4b\u8bd5\u968f\u673a\u5199IOPS\uff1a<\/p>\n<blockquote>\n<p>fio -direct=1  -iodepth=128  -rw=randwrite  -ioengine=libaio  -bs=4k<br \/>\n -size=10G  -numjobs=1  -runtime=1000  -group_reporting<br \/>\n-name=\/path\/testfile<\/p>\n<\/blockquote>\n<p>\u6d4b\u8bd5\u968f\u673a\u8bfbIOPS\uff1a<\/p>\n<blockquote>\n<p>fio -direct=1  -iodepth=128  -rw=randread  -ioengine=libaio  -bs=4k<br \/>\n-size=10G  -numjobs=1  -runtime=1000  -group_reporting<br \/>\n-name=\/path\/testfile<\/p>\n<\/blockquote>\n<p>\u6d4b\u8bd5\u5199\u541e\u5410\u91cf\uff1a<\/p>\n<blockquote>\n<p>fio -direct=1  -iodepth=64  -rw=randwrite  -ioengine=libaio  -bs=64k<br \/>\n -size=10G  -numjobs=1  -runtime=1000  -group_reporting<br \/>\n-name=\/path\/testfile<\/p>\n<\/blockquote>\n<p>\u6d4b\u8bd5\u8bfb\u541e\u5410\u91cf\uff1a<\/p>\n<blockquote>\n<p>fio -direct=1  -iodepth=64  -rw=randread  -ioengine=libaio  -bs=64k<br \/>\n-size=10G  -numjobs=1  -runtime=1000  -group_reporting<br \/>\n-name=\/path\/testfile<\/p>\n<\/blockquote>\n<p>&nbsp; <\/p>\n<p>\u6848\u4f8b\uff1a<\/p>\n<blockquote><p>\n\u5199\uff1atime dd if=\/dev\/zero of=\/mnt\/mfs\/test2\/test500M bs=1024k count=500<br \/>\n\u8bfb\uff1atime dd if=\/mnt\/mfs\/test2\/test500M of=\/dev\/null<\/p><\/blockquote>\n<table border=\"1\">\n<tbody>\n<tr>\n<td>\n<\/td>\n<td>1copy\u5199\u3000\u3000\u3000\u3000<\/td>\n<td>2copy\u5199\u3000\u3000\u3000\u3000<\/td>\n<td>1copy\u8bfb\u3000\u3000\u3000\u3000<\/td>\n<td>2copy\u8bfb\u3000\u3000\u3000\u3000<\/td>\n<\/tr>\n<tr>\n<td>1M\u3000\u3000<\/td>\n<td>0m0.042s<\/td>\n<td>0m0.042s<\/td>\n<td>0m0.017s<\/td>\n<td>0m0.017s<\/td>\n<\/tr>\n<tr>\n<td>5M<\/td>\n<td>0m0.073s<\/td>\n<td>0m0.079s<\/td>\n<td>0m0.070s<\/td>\n<td>0m0.071s<\/td>\n<\/tr>\n<tr>\n<td>20M<\/td>\n<td>0m0.250s<\/td>\n<td>0m0.288s<\/td>\n<td>0m0.291s<\/td>\n<td>0m0.376s<\/td>\n<\/tr>\n<tr>\n<td>50M<\/td>\n<td>0m0.514s<\/td>\n<td>0m0.589s<\/td>\n<td>0m0.896s<\/td>\n<td>0m0.886s<\/td>\n<\/tr>\n<tr>\n<td>100M<\/td>\n<td>0m0.977s<\/td>\n<td>0m7.497s<\/td>\n<td>0m1.677s<\/td>\n<td>0m1.787s<\/td>\n<\/tr>\n<tr>\n<td>200M\u3000\u3000<\/td>\n<td>0m7.910s<\/td>\n<td>0m22.270s<\/td>\n<td>0m2.683s<\/td>\n<td>0m3.129s<\/td>\n<\/tr>\n<tr>\n<td>500M<\/td>\n<td>0m22.465s<\/td>\n<td>0m51.735s<\/td>\n<td>0m6.559s<\/td>\n<td>0m6.990s<\/td>\n<\/tr>\n<tr>\n<td>1G<\/td>\n<td>0m52.346s<\/td>\n<td>1m48.056s<\/td>\n<td>0m17.319s<\/td>\n<td>0m17.154s<\/td>\n<\/tr>\n<tr>\n<td>2G<\/td>\n<td>1m46.224s<\/td>\n<td>3m46.283s<\/td>\n<td>0m41.608s<\/td>\n<td>0m34.435s<\/td>\n<\/tr>\n<tr>\n<td>10G<\/td>\n<td>9m29.037s<\/td>\n<td>19m26.237s<\/td>\n<td>3m55.222s<\/td>\n<td>3m24.914s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n...<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d4b\u8bd5\u968f\u673a\u5199IOPS\uff1a<\/p>\n<blockquote>\n<p>fio -direct=1  -iodepth=128  -rw=randwrite  -ioengine=libaio  -bs=4k<br \/>\n -size=10G  -numjobs=1  -runtime=1000  -group_reporting<br \/>\n-name=\/path\/testfile<\/p>\n<\/blockquote>\n<p>\u6d4b\u8bd5\u968f\u673a\u8bfbIOPS\uff1a<\/p>\n<blockquote>\n<p>fio -direct=1  -iodepth=128  -rw=randread  -ioengine=libaio  -bs=4k<br \/>\n-size=10G  -numjobs=1  -runtime=1000  -group_reporting<br \/>\n-...<\/p>\n<\/blockquote>\n<p> <a href=\"https:\/\/www.xiaobo.li\/notes\/archives\/492\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[287],"tags":[],"class_list":["post-492","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=492"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/492\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}