mysql wont stop, mysqld_safe appeared in top

Posted by power4 on Server Fault See other posts from Server Fault or by power4
Published on 2010-12-21T17:22:23Z Indexed on 2010/12/21 17:55 UTC
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mysql

my server (CentOS) contains lots of website, which collect data from lots of sources with cron. the mysql config is the default

recently, PHP failed to communicate with mysql. Firstly I just restart the server

but after restarted, PHP still failed to communicate with mysql

I've tried:

ps ax | grep mysql

Then run: kill -9 #### (I've also tried killall -9 ####) - this failed, ps ax | grep mysql showing the killed process id is still there

service mysqld start (I've also tried /etc/init.d/mysqld start) - I got reply Timeout error occurred trying to start MySQL Daemon.

when run top, mysqld_safe is appeared on top with about 50% of CPU usage. I dont know the size of all the database.

I really confused

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