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From Wido den Hollander <w...@widodh.nl>
Subject Re: mysql-bin log files eating more space and DB server root fs filling up now at 98%
Date Mon, 25 Apr 2016 11:04:29 GMT

> Op 25 april 2016 om 12:28 schreef anil lakineni <anilkumar459.lakineni@gmail.com>:
> 
> 
> Hi All,
> 
> In Cloud DB server, the root file system reached to 98% and found that
> */var/lib/mysql/* is consumed with more space.
> 
> Inside that specified directory i found that " *mysql bin logs* " are
> eating more space and files are there since one year.
> 
> My environment has enabled with DB replication.
> 
> Is it safe to purge the older mysql bin logs ? if yes, Could you please
> paste the working steps here which wouldn't affect replication as some
> blogs are saying that replication will be affected if we purge.
> 

Yes, you can remove them. Just use 'rm' to remove the old logs.

> *Please recommend best solution that was already worked on production
> environment*
> 
> So please suggest me the process to free up some space and clean up mysql
> bin logs.
> 

I recommend you search a bit on this topic. It is not CloudStack-specific, the MySQL documentation
will tell you how to do this.

> P.S. I have verified other directories and logs, they are consuming very
> little space except this bin logs directory (not *ibdata1* file).
> 
> Cloud version is 4.5 and MySQL version is " 5.1.73-log "
> 
> My MySQL configuration file is,
> 
> #cat /etc/my.cnf
> *[mysqld]*
> *datadir=/var/lib/mysql*
> *socket=/var/lib/mysql/mysql.sock*
> *user=mysql*
> *# Disabling symbolic-links is recommended to prevent assorted security
> risks*
> *symbolic-links=0*
> 
> *innodb_rollback_on_timeout=1*
> *innodb_lock_wait_timeout=600*
> *max_connections=1400*
> *log-bin=mysql-bin*
> *binlog-format = 'ROW'*
> *innodb_buffer_pool_size=5500m*
> 
> *default-character-set=utf8*
> *default-collation=utf8_unicode_ci*
> *character-set-server=utf8*
> *collation-server=utf8_unicode_ci*
> *default-time-zone='+03:00'*
> 
> *# for Master / Slave*
> *server-id = 1*
> 
> *[mysqld_safe]*
> *log-error=/var/log/mysqld.log*
> *pid-file=/var/run/mysqld/mysqld.pid*
> 
> 
> Please let me know if any other information needed and please suggest the
> process that would cleanup old logs automatically by mysql.
> 
> Hope will get some help here..
> 
> Regards,
> Anil.

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