{"id":1264,"date":"2020-05-20T17:01:36","date_gmt":"2020-05-20T09:01:36","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1264"},"modified":"2020-05-20T17:01:36","modified_gmt":"2020-05-20T09:01:36","slug":"pv%e6%89%a7%e8%a1%8c%e5%91%bd%e4%bb%a4%e7%9a%84%e7%ae%a1%e9%81%93%e6%9f%a5%e7%9c%8b%e5%99%a8","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1264","title":{"rendered":"pv\u6267\u884c\u547d\u4ee4\u7684\u7ba1\u9053\u67e5\u770b\u5668"},"content":{"rendered":"<ul>\n \t<li id=\\\"pv\\\">\u4ec0\u4e48\u662fpv<\/li>\n<\/ul>\n<!-- \/wp:heading --> <!-- wp:paragraph -->\n<p style=\\\"padding-left: 40px;\\\"><strong>pv (Pipe Viewer )<\/strong>\u7684\u7b80\u79f0\uff0c\u7531Andrew Wood \u5f00\u53d1\u3002\u662f\u901a\u8fc7\u7ba1\u9053\u663e\u793a\u6570\u636e\u5904\u7406\u8fdb\u5ea6\u7684\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u5305\u62ec\u5df2\u7ecf\u8017\u8d39\u7684\u65f6\u95f4\uff0c\u5b8c\u6210\u7684\u767e\u5206\u6bd4(\u901a\u8fc7\u8fdb\u5ea6\u6761\u663e\u793a)\uff0c\u5f53\u524d\u7684\u901f\u5ea6\uff0c\u5168\u90e8\u4f20\u8f93\u7684\u6570\u636e\uff0c\u4ee5\u53ca\u4f30\u8ba1\u5269\u4f59\u7684\u65f6\u95f4\u3002PV\u663e\u793a\u5f53\u524d\u5728\u547d\u4ee4\u884c\u6267\u884c\u7684\u547d\u4ee4\u7684\u8fdb\u5ea6\u4fe1\u606f\uff0c\u7ba1\u9053\u67e5\u770b\u5668.<\/p>\n<!-- \/wp:paragraph --> <!-- wp:heading -->\n<ul>\n \t<li>\u4e0b\u8f7d\u5b89\u88c5<\/li>\n<\/ul>\n<!-- \/wp:heading --> <!-- wp:code -->\n<pre style=\\\"padding-left: 40px;\\\">#Ubuntu\u5b89\u88c5\nsudo apt-get install pv\n# CentOS\u5b89\u88c5\nyum install pv<!-- wp:heading {\\\"level\\\":3} --><code><\/code><\/pre>\n<!-- \/wp:code --> <!-- wp:heading {\\\"level\\\":3} -->\n<ul>\n \t<li id=\\\"\u9009\u9879\\\">\u9009\u9879\u53c2\u6570<\/li>\n<\/ul>\n<!-- \/wp:heading --> <!-- wp:code -->\n<pre>-p, --progress           show progress bar\n-t, --timer              show elapsed time\n-e, --eta                show estimated time of arrival (completion)\n-I, --fineta             show absolute estimated time of arrival\n                         (completion)\n-r, --rate               show data transfer rate counter\n-a, --average-rate       show data transfer average rate counter\n-b, --bytes              show number of bytes transferred\n-T, --buffer-percent     show percentage of transfer buffer in use\n-A, --last-written NUM   show NUM bytes last written\n-F, --format FORMAT      set output format to FORMAT\n-n, --numeric            \u8f93\u51fa\u767e\u5206\u6bd4\n-q, --quiet              do not output any transfer information at all\n-W, --wait               display nothing until first byte transferred\n-D, --delay-start SEC    display nothing until SEC seconds have passed\n-s, --size SIZE          set estimated data size to SIZE bytes\n-l, --line-mode          count lines instead of bytes\n-0, --null               lines are null-terminated\n-i, --interval SEC       update every SEC seconds\n-w, --width WIDTH        assume terminal is WIDTH characters wide\n-H, --height HEIGHT      assume terminal is HEIGHT rows high\n-N, --name NAME          prefix visual information with NAME\n-f, --force              output even if standard error is not a terminal\n-c, --cursor             use cursor positioning escape sequences\n-L, --rate-limit RATE    limit transfer to RATE bytes per second\n-B, --buffer-size BYTES  use a buffer size of BYTES\n-C, --no-splice          never use splice(), always use read\/write\n-E, --skip-errors        skip read errors in input\n-S, --stop-at-size       stop after --size bytes have been transferred\n-R, --remote PID         update settings of process PID\n-P, --pidfile FILE       save process ID in FILE\n-d, --watchfd PID[:FD]   watch file FD opened by process PID\n-h, --help               \u663e\u793a\u5e2e\u52a9\n-V, --version            \u663e\u793a\u7248\u672c\u4fe1\u606f<\/pre>\n<!-- \/wp:code --> <!-- wp:heading {\\\"level\\\":3} -->\n<h2 style=\\\"padding-left: 40px;\\\">\u793a\u4f8b<\/h2>\n<!-- \/wp:paragraph --> <!-- wp:code -->\n<ul>\n \t<li>\u590d\u5236\u6587\u4ef6\u663e\u793a\u8fdb\u5ea6<\/li>\n<\/ul>\n<pre>[root@vm10-0-1-212 ~]# pv wj.zip &gt; weijing1.zip\n17.8MiB 0:00:00 [ 381MiB\/s] [===============================&gt;] 100%<\/pre>\n<ul>\n \t<li>\u4f7f\u7528 -L \u9009\u9879\u6765\u9650\u5236\u4f20\u8f93\u901f\u7387\u4e3a1MB\/s\u3002<\/li>\n<\/ul>\n<pre>[root@vm10-0-1-212 ~]# pv -L 1m  wj.zip &gt; weijing2.zip\n17.8MiB 0:00:17 [   1MiB\/s] [===============================&gt;] 100%<\/pre>\n<!-- \/wp:code --> <!-- wp:code -->\n<ul>\n \t<li>\u4f7f\u5b57\u7b26\u4e00\u4e2a\u4e2a\u5300\u901f\u5728\u547d\u4ee4\u884c\u4e2d\u663e\u793a\u51fa\u6765<\/li>\n<\/ul>\n<pre>[root@vm10-0-1-212 ~]# echo \\\"This url is weijing.co\\\" | pv -qL 10<\/pre>\n<ul>\n \t<li>\u538b\u7f29\u6587\u4ef6\u5c55\u793a\u8fdb\u5ea6\u4fe1\u606f<\/li>\n<\/ul>\n<pre>[root@vm10-0-1-212 ~]# pv wj.zip | gzip &gt; weijingbiji.gz\n17.8MiB 0:00:00 [25.8MiB\/s] [===============================&gt;] 100%<\/pre>\n<ul>\n \t<li>\u7528 dd \u547d\u4ee4\u5c06 iso \u5199\u5165\u78c1\u76d8\uff0cpv\u6765\u5b9e\u73b0\u8fdb\u5ea6\u6761\u7684\u663e\u793a<\/li>\n<\/ul>\n<pre>[root@vm10-0-1-212 ~]# pv -cN source &lt; \/CentOS-7-x86_64-Everything-1511.iso | sudo dd of=\/dev\/disk2 bs=4m\nsource:  5.2GiB 5:11:41 [ 503KiB\/s] [=====================&gt;       ] 71% ETA 2:01:56<\/pre>","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fpv pv (Pipe Viewer )\u7684\u7b80\u79f0\uff0c\u7531Andrew Wood \u5f00\u53d1\u3002\u662f\u901a\u8fc7\u7ba1\u9053\u663e\u793a\u6570\u636e\u5904\u7406\u8fdb &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1264\"> <span class=\"screen-reader-text\">pv\u6267\u884c\u547d\u4ee4\u7684\u7ba1\u9053\u67e5\u770b\u5668<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[102],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":3,"uagb_excerpt":"\u4ec0\u4e48\u662fpv pv (Pipe Viewer )\u7684\u7b80\u79f0\uff0c\u7531Andrew Wood \u5f00\u53d1\u3002\u662f\u901a\u8fc7\u7ba1\u9053\u663e\u793a\u6570\u636e\u5904\u7406\u8fdb&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1264"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1264"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1264\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1264"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}