131126 14:30:09 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
131126 14:30:09 [Note] Plugin 'FEDERATED' is disabled.
131126 14:30:09 InnoDB: The InnoDB memory heap is disabled
131126 14:30:09 InnoDB: Mutexes and rw_locks use GCC atomic builtins
131126 14:30:09 InnoDB: Compressed tables use zlib 1.2.3
131126 14:30:09 InnoDB: Using Linux native AIO
131126 14:30:09 InnoDB: Initializing buffer pool, size = 128.0M
131126 14:30:09 InnoDB: Completed initialization of buffer pool
InnoDB: The first specified data file ./ibdata1 did not exist:
InnoDB: a new database to be created!
131126 14:30:09  InnoDB: Setting file ./ibdata1 size to 10 MB
InnoDB: Database physically writes the file full: wait...
131126 14:30:10  InnoDB: Log file ./ib_logfile0 did not exist: new to be created
InnoDB: Setting log file ./ib_logfile0 size to 5 MB
InnoDB: Database physically writes the file full: wait...
131126 14:30:10  InnoDB: Log file ./ib_logfile1 did not exist: new to be created
InnoDB: Setting log file ./ib_logfile1 size to 5 MB
InnoDB: Database physically writes the file full: wait...
InnoDB: Doublewrite buffer not found: creating new
InnoDB: Doublewrite buffer created
InnoDB: 127 rollback segment(s) active.
InnoDB: Creating foreign key constraint system tables
InnoDB: Foreign key constraint system tables created
131126 14:30:11  InnoDB: Waiting for the background threads to start
131126 14:30:12 InnoDB: 5.5.32 started; log sequence number 0
131126 14:30:12 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306
131126 14:30:12 [Note]   - '0.0.0.0' resolves to '0.0.0.0';
131126 14:30:12 [Note] Server socket created on IP: '0.0.0.0'.
131126 14:30:12 [Note] Event Scheduler: Loaded 0 events
131126 14:30:12 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.5.32-cll'  socket: '/var/lib/mysql/mysql.sock'  port: 3306  MySQL Community Server (GPL)
131126 14:30:15 mysqld_safe A mysqld process already exists
131126 16:01:53 [Note] /usr/sbin/mysqld: Normal shutdown

131126 16:01:53 [Note] Event Scheduler: Purging the queue. 0 events
131126 16:01:55 [Warning] /usr/sbin/mysqld: Forcing close of thread 179  user: 'leechprotect'

131126 16:01:55  InnoDB: Starting shutdown...
131126 16:01:58  InnoDB: Shutdown completed; log sequence number 2155325
131126 16:01:58 [Note] /usr/sbin/mysqld: Shutdown complete

131126 16:01:58 mysqld_safe mysqld from pid file /var/lib/mysql/localhost.localdomain.pid ended
 

Não recomendo alterar nada no /root/.my.cnf

 

Altere no /etc/my.cnf

Em uma verificação dessas, em uma ocasião, eu encontrei a conta de um cliente que tinha 12gb de banco de dados em um servidor compartilhado que causava o reinicio do servidor mysql.