Linux下使用rsync最快速删除海量文件
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1、先安装rsync：
yum install rsync
2、建立一个空的文件夹：
mkdir /tmp/test
3、用rsync删除目标目录：
rsync --delete-before -a -H -v --progress --stats /tmp/test log
这样我们要删除的log目录就会被清空了，删除的速度会非常快。
Last modified onSunday, 14 October 2012 04:07
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|---|---|---|---|---|
| Call Stack | ||||
| # | Time | Memory | Function | Location |
| 1 | 0.0008 | 414552 | {main}( ) | .../index.php:0 |
| 2 | 0.0770 | 4265384 | Joomla\CMS\Application\SiteApplication->execute( ) | .../index.php:49 |
| 3 | 0.0770 | 4265384 | Joomla\CMS\Application\SiteApplication->doExecute( ) | .../CMSApplication.php:196 |
| 4 | 0.2632 | 11456624 | Joomla\CMS\Application\SiteApplication->dispatch( ) | .../SiteApplication.php:233 |
| 5 | 0.2638 | 11481224 | Joomla\CMS\Component\ComponentHelper::renderComponent( ) | .../SiteApplication.php:194 |
| 6 | 0.2644 | 11536552 | Joomla\CMS\Component\ComponentHelper::executeComponent( ) | .../ComponentHelper.php:377 |
| 7 | 0.2647 | 11563952 | require_once( '/var/www/vhosts/shan.info/httpdocs/components/com_k2/k2.php' ) | .../ComponentHelper.php:402 |
| 8 | 0.2719 | 11963584 | K2ControllerItem->execute( ) | .../k2.php:64 |
| 9 | 0.2719 | 11963584 | K2ControllerItem->display( ) | .../BaseController.php:710 |
| 10 | 0.2807 | 12614288 | K2ControllerItem->display( ) | .../item.php:78 |
| 11 | 0.2807 | 12614288 | K2ControllerItem->display( ) | .../controller.php:19 |
| 12 | 0.2843 | 12985328 | Joomla\CMS\Cache\Controller\ViewController->get( ) | .../BaseController.php:663 |
| 13 | 0.2865 | 13005696 | K2ViewItem->display( ) | .../ViewController.php:102 |
| 14 | 0.3401 | 15777432 | K2ViewItem->display( ) | .../view.html.php:742 |
| 15 | 0.3401 | 15777432 | K2ViewItem->loadTemplate( ) | .../HtmlView.php:230 |
| 16 | 0.3415 | 15950368 | include( '/var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php' ) | .../HtmlView.php:701 |
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| ( ! ) Notice: Only variables should be assigned by reference in /var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php on line 478 | ||||
|---|---|---|---|---|
| Call Stack | ||||
| # | Time | Memory | Function | Location |
| 1 | 0.0008 | 414552 | {main}( ) | .../index.php:0 |
| 2 | 0.0770 | 4265384 | Joomla\CMS\Application\SiteApplication->execute( ) | .../index.php:49 |
| 3 | 0.0770 | 4265384 | Joomla\CMS\Application\SiteApplication->doExecute( ) | .../CMSApplication.php:196 |
| 4 | 0.2632 | 11456624 | Joomla\CMS\Application\SiteApplication->dispatch( ) | .../SiteApplication.php:233 |
| 5 | 0.2638 | 11481224 | Joomla\CMS\Component\ComponentHelper::renderComponent( ) | .../SiteApplication.php:194 |
| 6 | 0.2644 | 11536552 | Joomla\CMS\Component\ComponentHelper::executeComponent( ) | .../ComponentHelper.php:377 |
| 7 | 0.2647 | 11563952 | require_once( '/var/www/vhosts/shan.info/httpdocs/components/com_k2/k2.php' ) | .../ComponentHelper.php:402 |
| 8 | 0.2719 | 11963584 | K2ControllerItem->execute( ) | .../k2.php:64 |
| 9 | 0.2719 | 11963584 | K2ControllerItem->display( ) | .../BaseController.php:710 |
| 10 | 0.2807 | 12614288 | K2ControllerItem->display( ) | .../item.php:78 |
| 11 | 0.2807 | 12614288 | K2ControllerItem->display( ) | .../controller.php:19 |
| 12 | 0.2843 | 12985328 | Joomla\CMS\Cache\Controller\ViewController->get( ) | .../BaseController.php:663 |
| 13 | 0.2865 | 13005696 | K2ViewItem->display( ) | .../ViewController.php:102 |
| 14 | 0.3401 | 15777432 | K2ViewItem->display( ) | .../view.html.php:742 |
| 15 | 0.3401 | 15777432 | K2ViewItem->loadTemplate( ) | .../HtmlView.php:230 |
| 16 | 0.3415 | 15950368 | include( '/var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php' ) | .../HtmlView.php:701 |