{"id":6049,"date":"2021-01-09T23:06:17","date_gmt":"2021-01-09T15:06:17","guid":{"rendered":"https:\/\/ailog.tw\/lifelog\/?p=6049"},"modified":"2021-06-12T14:54:39","modified_gmt":"2021-06-12T06:54:39","slug":"dd-oracle","status":"publish","type":"post","link":"https:\/\/ailog.tw\/lifelog\/2021\/01\/09\/dd-oracle\/","title":{"rendered":"\u7528DD\u5de5\u5177\u4f86\u8a55\u4f30Oracle Database\u78c1\u789f\u5beb\u5165\u6548\u80fd"},"content":{"rendered":"

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\u8acb\u5c0d\u65b9\u63d0\u4f9b\u4e86\u6e2c\u8a66\u7684DD\u6307\u4ee4\u5f8c\u624d\u767c\u73fe\uff0c\u539f\u4f86\u6c92\u4f7f\u7528sync\u53c3\u6578\uff0c\u6240\u4ee5\u7cfb\u7d71\u7528\u4e86\u66ab\u5b58\u6a5f\u5236\u4e86\uff0c\u4e14Oracle\u8cc7\u6599\u5eab\u7cfb\u7d71\u9810\u8a2d\u4f7f\u63a1\u75288K\u7684block size\uff0c\u6e2c\u8a66\u904e\u7a0b\u537b\u63a1\u75284K\u4f86\u6e2c\u8a66\uff0c\u6240\u4ee5\u9019\u6a23\u7684\u6e2c\u8a66\u7576\u7136\u662f\u4e0d\u6e96\u7684\u779c\u3002<\/span>
\n\u5c07\u6307\u4ee4\u8b8a\u66f4\u70ba\u5982\u4e0b\uff1a<\/span>
\ntime sh -c “dd if=\/dev\/zero of=testfile bs=8k count=2500000 && sync<\/span>“<\/span>
\n\"\"<\/span>
\n\u203b\u5f9e\u6e2c\u8a66\u7d50\u679c\u7684\u6642\u9593\u53ef\u4ee5\u89c0\u6e2c\u5230\u4ee58K\u7684block size\uff0c\u5beb\u516510GB\u7684\u8cc7\u6599\u5927\u7d04\u82b1\u8cbb\u4e8625.416\u79d2\u3002<\/span><\/p>\n

\u5982\u679c\u4e0d\u4f7f\u7528sync\u53c3\u6578\u7684\u72c0\u6cc1\u4e0b\u3002<\/span>
\n\u5c07\u6307\u4ee4\u8b8a\u66f4\u70ba\u5982\u4e0b\uff1a<\/span>
\ntime sh -c “dd if=\/dev\/zero of=testfile bs=8k count=2500000”<\/span>
\n\"\"<\/span>
\n\u203b\u76f8\u540c\u4ee58K\u7684block size\uff0c\u5beb\u516510GB\u7684\u8cc7\u6599\uff0c\u6642\u9593\u537b\u53ea\u82b1\u8cbb\u4e8614.016\u79d2\u3002<\/span><\/p>\n

\u7531\u4e0a\u9762\u7d50\u679c\u53ef\u4e86\u89e3\u5230\uff0c\u7576\u6c92\u4e0bsync\u53c3\u6578\u6642\uff0c\u7cfb\u7d71\u986f\u793a\u5df2\u7d93\u5b8c\u6210\u5beb\u5165\uff0c\u4f46\u4e8b\u5be6\u4e0a\u80cc\u666f\u9084\u5728\u9032\u884c\u4e2d\uff0c\u7576\u6709\u4f7f\u7528sync\u53c3\u6578\u6642\uff0c\u78c1\u789f\u9663\u5217\u6a5f\u7684\u5beb\u5165\u8ca0\u8f09\u6642\u9593\u5c31\u5c0d\u61c9\u7684\u8d77\u4f86\u4e86\u3002<\/span>
\n\"\"<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6700\u8fd1\u5c0f\u908a\u9047\u5230\u4e86\u4e00\u500b\u6848\u4f8b\uff0c\u6709\u4f4d\u5ba2\u6236\u8981\u6e2c\u8a66Oracle Database\u7cfb\u7d71\u7684\u78c1\u789f\u9663\u5217\u6a5f(Storage)\u5beb\u5165\u6548\u80fd … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008\u7528DD\u5de5\u5177\u4f86\u8a55\u4f30Oracle Database\u78c1\u789f\u5beb\u5165\u6548\u80fd\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":6056,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,379],"tags":[2609,2610,2608,2607,2612,1105,2615,2616,2614,2611,2613,2798,541],"class_list":["post-6049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-itinfo","category-linux","tag-4k","tag-8k","tag-database","tag-dd","tag-i-o","tag-oracle","tag-performance","tag-storage","tag-sync","tag-2611","tag-2613","tag-ddoracle-database","tag-541"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/6049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/comments?post=6049"}],"version-history":[{"count":4,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/6049\/revisions"}],"predecessor-version":[{"id":9379,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/posts\/6049\/revisions\/9379"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/media\/6056"}],"wp:attachment":[{"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/media?parent=6049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/categories?post=6049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ailog.tw\/lifelog\/wp-json\/wp\/v2\/tags?post=6049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}