At 13:12 -0700 6/12/02, Van wrote: >Greetings: > >Perhaps a bug, even. After about 5 months my mysql log file grew to over >300MBytes and I figured I'd do something about it as follows: >tail -n 100000 /mysql/why.log > /tmp/why.log && sudo mv /tmp/why.log >/mysql/ && >mysqladmin -u root flush-logs > >Unfortunately, this set the permissions of why.log as a user other than mysql,
So what happened? Did this command: sudo mv /tmp/why.log /mysql/ replace your old /mysql/why.log file with one owned by root? If so, I guess I wouldn't be surprised. >preventing mysqld from logging queries (exactly what I'd hoped to >avoid), so I: >sudo chown mysql.mysql /mysql/why.log >- and - >mysqladmin refresh > >Doing a tail -f on /mysql/why.log and issuing queries I didn't see >any activity >writing to the log. >I tried mysqladmin flush-logs and still no logging. > >Eventually, the only way to get logging to recommence was to do a mysqladmin >shutdown and rerun my /etc/rc.d/rc.mysql script to start it back up. >The server >was only down for a second, or two, but I still hate to have to restart things >when they're otherwise working just fine (it's so windows-ish). > >My guess is the changing of ownership on why.log to a different user >threw up a >write block on the file at the OS level (Linux Slackware 7.something-or-other >kernel 2.2.18) and the refresh and flush-logs doesn't have a function to check >(re-check?) the permissions in case of something like this happening >and didn't >tell the OS to allow the mysqld to allow writes to the file again. > >I could have been more careful with how I archived the log, but the refresh >should take note of file permissions at the time the command is >issued; not the >permissions at the time the mysqld daemon started. Also, there was no message >issued to the error log. > >I doubt I'll repeat the mistake, but perhaps someone down the road might. >Perhaps Monty & crew could throw a safety check in place for such events. > >Regards, >Van >-- >================================================================= >Linux rocks!!! http://www.dedserius.com/ >================================================================= --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
