[UPHPU] Re: Using named pipe for MySQL error log
Lonnie Olson
lists at kittypee.com
Tue May 13 16:06:20 MDT 2008
On Tue, 2008-05-13 at 15:10 -0600, Richard K Miller wrote:
> If MySQL logs to a named pipe, and "no one is there to hear it," does
> it affect database performance?
It could. mkfifo creates blocking named pipes. Meaning a reader will
block, and wait for someone else to start writing to it. Also
vice-versa, the writer will wait for a reader.
http://developers.sun.com/solaris/articles/named_pipes.html
A blocking log file sounds really bad to me.
--lonnie
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