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From:John G. Heim Date:September 25 2008 8:28pm
Subject:confused about logging
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My web server is running drupal. Yesterday it started giving error messages 
instead of displaying the hom page. The error says, "The MySQL error was: 
Host '' is blocked because of many connection errors; 
unblock with 'mysqladmin flush-hosts'."

I want to find out why that happened. I'm running the mysql debian package 
for etch (stable).  It installs mysql 5.0.  The default my.cnf says this:

# Be aware that this log type is a performance killer.
#log  = /var/log/mysql/mysql.log
# Error logging goes to syslog. This is a Debian improvement :)

Two questions:
1. Is it a performance killer?
2. There was nothing in the system log. The only messages  about mysql were 
from restarting the server. 

confused about loggingJohn G. Heim25 Sep