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It's been a long time since the deletion volume error makes volume in http://www.aliyun.com/zixun/aggregation/16539.html ">error_deleting state, There was this problem when I deleted a volume yesterday, and here's a way to record the solution. Note that I am here for the back-end with iSCSI mode, specifically to me here is the TGT+LVM way. Cause I am currently experiencing the deletion of V ...

First, the importance of the index The index is used to quickly find a column in a particular value of the line. Instead of using an index, MySQL must start with the first record and then read the entire table until it finds the relevant row. The larger the table, the more time it takes. If the table in the query column index, MySQL can quickly reach a location to search the middle of the data file, there is no need to see all the data. Note that if you need to access most of the rows, sequential reads are much faster since we avoid disk searches. If you use Xinhua Dictionary to find "Zhang" the Chinese characters, do not use the directory, then ...

Smartgit 2.0.6 This version fixes an error with Mac OS X 10.7 and another non native separator. -On OS X 10.7 The ' file Watcher was Broken-pull (submodules): Internal error if submodule are set to ref abound should be&http:// Www.aliyun.com ...

In the world of E-commerce, every day there are many new faces appear, but some old enterprises, but often try to try fresh on the stagnation, the old enterprise why and the electric business is not aloof? Wen/Zhang Shule e World is the first Shenzhen commodity http://www.aliyun.com/zixun/aggregation/39531.html "> Online fair, from the beginning of the continuous invitation of traditional enterprises to join, but the real established enterprises very few." Some businessmen or traditional business philosophy, the old enterprise how strong ...

Sharing photos is already one of the most popular features on Facebook. So far, users have uploaded more than 1.5 billion photos, making Facebook the biggest photo-sharing site. For each uploaded photo, Facebook generates and stores four images of different sizes, which translates into 6 billion photos, with a total capacity of over 1.5PB. At present, the rate of 2.2 million new photos per week increases, which is equivalent to an additional 25TB of storage per week. And in the peak per second need transmission ...