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Adjust the mysql-log-rotate script in several ways:
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* Use the correct log file pathname for Red Hat installations.
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* Enable creation of the log file by logrotate (needed since
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/var/log/ isn't writable by mysql user); and set the same 640
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permissions we normally use.
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* Comment out the actual rotation commands, so that user must edit
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the file to enable rotation. This is unfortunate, but the fact
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that the script will probably fail without manual configuration
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(to set a root password) means that we can't really have it turned
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on by default. Fortunately, in most configurations the log file
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is low-volume and so rotation is not critical functionality.
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See discussions at RH bugs 799735, 547007
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diff -Naur mysql-5.5.22.orig/support-files/mysql-log-rotate.sh mysql-5.5.22/support-files/mysql-log-rotate.sh
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--- mysql-5.5.22.orig/support-files/mysql-log-rotate.sh 2012-03-02 14:44:46.000000000 -0500
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+++ mysql-5.5.22/support-files/mysql-log-rotate.sh 2012-03-23 22:33:29.092043705 -0400
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@@ -3,7 +3,7 @@
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# in the [safe_mysqld] section as follows:
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#
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# [safe_mysqld]
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-# err-log=@localstatedir@/mysqld.log
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+# err-log=/var/log/mysqld.log
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#
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# If the root user has a password you have to create a
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# /root/.my.cnf configuration file with the following
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@@ -18,19 +18,21 @@
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# ATTENTION: This /root/.my.cnf should be readable ONLY
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# for root !
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-@localstatedir@/mysqld.log {
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- # create 600 mysql mysql
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- notifempty
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- daily
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- rotate 3
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- missingok
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- compress
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- postrotate
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- # just if mysqld is really running
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- if test -x @bindir@/mysqladmin && \
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- @bindir@/mysqladmin ping &>/dev/null
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- then
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- @bindir@/mysqladmin flush-logs
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- fi
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- endscript
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-}
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+# Then, un-comment the following lines to enable rotation of mysql's log file:
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+
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+#/var/log/mysqld.log {
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+# create 640 mysql mysql
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+# notifempty
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+# daily
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+# rotate 3
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+# missingok
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+# compress
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+# postrotate
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+# # just if mysqld is really running
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+# if test -x @bindir@/mysqladmin && \
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+# @bindir@/mysqladmin ping &>/dev/null
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+# then
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+# @bindir@/mysqladmin flush-logs
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+# fi
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+# endscript
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+#}
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