{"id":1835,"date":"2020-10-27T13:38:23","date_gmt":"2020-10-27T05:38:23","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=1835"},"modified":"2020-10-30T18:06:47","modified_gmt":"2020-10-30T10:06:47","slug":"gbaes-8a%e5%af%bc%e5%87%ba%e6%96%87%e4%bb%b6%e6%97%b6%e6%8c%87%e5%ae%9a%e5%a4%a7%e5%b0%8f-fiesize","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/1835","title":{"rendered":"GBaes 8a\u5bfc\u51fa\u6587\u4ef6\u65f6\u6307\u5b9a\u5927\u5c0f fiesize"},"content":{"rendered":"<p>GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\u5728\u5bfc\u51fa\u6570\u636e\u662f\uff0c\u53ef\u4ee5\u6307\u5b9a\u6bcf\u4e2a\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u907f\u514d\u751f\u6210\u4e00\u4e2a\u8d85\u5927\u7684\u6587\u4ef6\u3002\u6570\u636e\u5e93\u4f1a\u81ea\u52a8\u5728\u6587\u4ef6\u540d\u4e2d\u589e\u52a0pX\u6765\u533a\u5206\uff0c\u5373\u4f7f\u53ea\u67091\u4e2a\u6587\u4ef6\uff0c\u4e5f\u4f1a\u53ebXX_p1\uff0c\u6240\u4ee5\u8bf7\u6ce8\u610f\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2abaef247d5\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2abaef247d5\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/1835\/#%E6%A0%B7%E4%BE%8B\" >\u6837\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/1835\/#%E8%AF%B4%E6%98%8E\" >\u8bf4\u660e<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%B7%E4%BE%8B\"><\/span>\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5982\u4e0b\u662f\u6307\u5b9a\u5b57\u8282\u548c1M\u5927\u5c0f\u7684\u6837\u4f8b\u3002\u652f\u6301k\/K\/m\/M\/g\/G\u7684\u540e\u7f00\u3002\u4f1a\u81ea\u52a8\u5728\u6587\u4ef6\u540d\u4e2d\u589e\u52a0_px\uff0c\u6765\u533a\u5206\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select * from t1 into outfile '\/home\/gbase\/t1.out'  ESCAPED BY '' filesize 1000000 writemode by overwrites;\nQuery OK, 1000001 rows affected (Elapsed: 00:00:00.70)\n\ngbase> ^CAborted\n&#91;gbase@rh6-1 ~]$ ll\ntotal 11084\n-rw-rw-r-- 1 gbase gbase      36 Oct 15 11:29 1.log\n-rw-rw-r-- 1 gbase gbase      36 Oct 15 11:44 2.log\n-rw------- 1 gbase gbase  999995 Oct 27 10:15 t1_p1.out\n-rw------- 1 gbase gbase  999999 Oct 27 10:15 t1_p2.out\n-rw------- 1 gbase gbase  999995 Oct 27 10:15 t1_p3.out\n-rw------- 1 gbase gbase  999999 Oct 27 10:15 t1_p4.out\n-rw------- 1 gbase gbase  999995 Oct 27 10:15 t1_p5.out\n-rw------- 1 gbase gbase  660569 Oct 27 10:15 t1_p6.out\n-rw-rw-r-- 1 gbase gbase 5660552 Oct 27 10:12 t1.txt\ngbase> select * from t1 into outfile '\/home\/gbase\/t1.out' filesize 1M writemode by overwrites;\nQuery OK, 1000001 rows affected (Elapsed: 00:00:00.76)\n\ngbase> ^CAborted\n&#91;gbase@rh6-1 ~]$ ll\ntotal 11064\n-rw-rw-r-- 1 gbase gbase      36 Oct 15 11:29 1.log\n-rw-rw-r-- 1 gbase gbase      36 Oct 15 11:44 2.log\n-rw------- 1 gbase gbase 1048576 Oct 27 10:16 t1_p1.out\n-rw------- 1 gbase gbase 1048576 Oct 27 10:16 t1_p2.out\n-rw------- 1 gbase gbase 1048574 Oct 27 10:16 t1_p3.out\n-rw------- 1 gbase gbase 1048575 Oct 27 10:16 t1_p4.out\n-rw------- 1 gbase gbase 1048572 Oct 27 10:16 t1_p5.out\n-rw------- 1 gbase gbase  417679 Oct 27 10:16 t1_p6.out\n-rw-rw-r-- 1 gbase gbase 5660552 Oct 27 10:12 t1.txt\n\n\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%B4%E6%98%8E\"><\/span>\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>1\u3001\u4e00\u4e2a\u6587\u4ef6\u81f3\u5c11\u5199\u5165\u4e00\u884c\u6570\u636e\uff0c\u5373\u4f7f\u5176\u8d85\u8fc7\u4e86filesize\u53c2\u6570\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p>2\u3001\u5e26\u8868\u5934\u65f6\uff0c\u4e5f\u8ba1\u7b97\u5728\u6570\u636e\u5927\u5c0f\u91cc\u9762\u3002<\/p>\n\n\n\n<p>3\u3001\u5982\u679c\u7528overwrites\u6a21\u5f0f\uff0c\u5982\u679c\u4e0a\u6b21\u5bfc\u51fa\u7684\u6587\u4ef6\u6570\u91cf\u591a\uff0c\u4e0d\u4f1a\u81ea\u52a8\u5220\u9664\u4e0a\u6b21\u5bfc\u51fa\u7684\u6240\u6709\u6587\u4ef6\uff0c\u800c\u662f\u53ea\u8986\u76d6\u672c\u6b21\u5bfc\u51fa\u6d89\u53ca\u7684\u6587\u4ef6\u3002\u5982\u679c\u5355\u7eaf\u770b\u6587\u4ef6\u540d\uff0c\u4f1a\u5f15\u8d77\u8bef\u89e3\u3002<br>\u6bd4\u5982\u4e0a\u6b21\u5bfc\u51fa10\u4e2a\u6587\u4ef6\uff0c p1 \u5230 p10, \u672c\u6b21\u63d0\u9ad8\u4e86filesize, \u53ea\u5bfc\u51fa5\u4e2a\u6587\u4ef6\uff0cp1-p5\uff0c\u90a3\u4e48\u4e0a\u6b21\u6b8b\u7559\u7684p6-p10\u3010\u6709\u53ef\u80fd\u3011\u88ab\u8bef\u5224\u4e3a\u672c\u6b21\u5bfc\u51fa\u7684\u3002<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>GBaes 8a\u5bfc\u51fa\u6587\u4ef6\u65f6\u6307\u5b9a\u5927\u5c0f fiesize<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,6],"tags":[22],"class_list":{"0":"post-1835","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-gbase8a","8":"tag-22"},"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=1835"}],"version-history":[{"count":4,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1835\/revisions"}],"predecessor-version":[{"id":1901,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/1835\/revisions\/1901"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=1835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=1835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=1835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}