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服务器区域设置 C 与 en_US.UTF-8

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服务器区域设置 C 与 en_US.UTF-8

我正在考虑将我的所有服务器语言环境更改为 C

"export LC_ALL=C"

这是一种常见的做法吗？

我在想这会对 LAMP 服务器产生任何副作用吗，或者我应该保留默认的“en_US.UTF-8”？

答案1

您可能需要编辑/etc/default/locale以设置区域设置，因为您的导出命令只会影响当前环境。它不会影响已经运行的程序。

您提到的有关 grep 的问题几年前就已经修复了：

fixed in grep 2.7, released Sep 20, 2010

In multibyte locales, regular expressions including backreferences
no longer exhibit quadratic complexity (i.e., they are orders
of magnitude faster). [bug present since multi-byte character set
support was introduced in 2.5.2]

In UTF-8 locales, regular expressions including "." can be orders
of magnitude faster.  For example, "grep ." is now twice as fast
as "grep -v ^$", instead of being immensely slower.  It remains
slow in other multibyte locales. [bug present since multi-byte
character set support was introduced in 2.5.2]

http://savannah.gnu.org/forum/forum.php?forum_id=6521

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