I've got a problem where my mysql server gets into a state where basic operations hang forever.
$ mysql -ubuildbot -p -hdbserver Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 7406 Server version: 5.5.9-log MySQL Community Server (GPL) Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to modify and redistribute it under the GPL v2 license Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> use mydb Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> show processlist; [hangs forever] ^C^C^C^C^C^C^C^C^C [still stuck]
No, it's not out of disk space. CPU usage is low.
Linux 2.6.28-11-server (PSDB102) 04/22/2011 _x86_64_ (4 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 3.65 0.01 0.62 0.09 0.00 95.74