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Ticket Resolution Summary Owner Reporter
#306 fixed Make logview work at least as well as it used to achernya
Description

/home/logview is created as 700, but needs to be 710 for the setgid logview to work.

#327 fixed Per-user sql connection limit adehnert
Description

We relatively often hit the cap on number of database connections. We should set max_user_connections (http://dev.mysql.com/doc/refman/5.0/en/server-system-variables.html#sysvar_max_user_connections; http://dev.mysql.com/doc/refman/5.0/en/user-resources.html) in addition to max_connections (http://dev.mysql.com/doc/refman/5.0/en/server-system-variables.html#sysvar_max_connections). Hopefully, this will mean that a single runaway account doesn't block other users from accessing sql.mit.edu.

This was previously brought up on -c scripts -i 2129340 on Sept. 26, 2012.

#328 fixed Monitor used connections on sql.mit.edu adehnert
Description

Now that #327 is fixed, we're somewhat less likely to notice when one user (probably hacked or DoSed?) is using a ton of connections. We should add monitoring of used connections, either max connections per user or total connections.

The check_mysql_query plugin in combination with the PROCESSLIST table in the information_schema database may be useful.

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