Good day KarthiK.P.R
Other than the replication settings in '/etc/mysql/conf.d/replication.cnf' and our
/etc/mysql/conf.d/custom.cnf
xyz-web02:/data# cat /etc/mysql/conf.d/custom.cnf
[mysqld]
innodb_file_per_table
bind-address = 0.0.0.0
datadir = /data
binlog_format=mixed
key_buffer_size=8384512
max_connections=41
The original /etc/mysql/my.cnf is untouched.
The only other service we have running is DRBD (active / active) and apache, nothing is
hitting apache as this is the standby node.
And there is no load, or anything consuming resources.
Thanks
Brent
On 27/03/2012 14:04, P.R.Karthik wrote:
> HI Brent,
>
> Can you please paste your configuration file settings (my.cnf) ? It will help to
> identify where things went wrong.
>
> Is there any other memory consuming application running on the server beyond mysql ?
>
> Regards,
> KarthiK.P.R
>
>
>
> On Tue, Mar 27, 2012 at 4:17 PM, Brent Clark <brentgclarklist@stripped
> <mailto:brentgclarklist@stripped>> wrote:
>
> Hey Guys
>
> Yesterday I sent an email, about '1 client is using or hasn't closed the table
> properly', but the problem is actually bigger than I realised.
>
> We run Mysql replication, and on the second node, Mysql is crashing with 'mysqld
> got signal 6' every so often.
>
> Other than the drives, we have replaced the hardware, and still the problem
> persists.
>
> Googling, I thought it was a memory exhaustion issue, so I started playing with
> the following variables and values.
>
> key_buffer_size=8384512
> max_connections=41
>
> But it still crashes
>
> Mar 27 12:36:53 xyz-web02 mysqld: key_buffer_size=8384512
> Mar 27 12:36:53 xyz-web02 mysqld: read_buffer_size=131072
> Mar 27 12:36:53 xyz-web02 mysqld: max_used_connections=3
> Mar 27 12:36:53 xyz-web02 mysqld: max_threads=41
> Mar 27 12:36:53 xyz-web02 mysqld: thread_count=1
> Mar 27 12:36:53 xyz-web02 mysqld: connection_count=1
> Mar 27 12:36:53 xyz-web02 mysqld: It is possible that mysqld could use up to
> Mar 27 12:36:53 xyz-web02 mysqld: key_buffer_size + (read_buffer_size +
> sort_buffer_size)*max_threads = 97828 K bytes of memory
>
> xyz-web02:# free -m
> total used free shared buffers cached
> Mem: 12038 11966 71 0 117 11378
> -/+ buffers/cache: 469 11568
> Swap: 2047 0 2047
>
> We running Debian Squeeze 64bit.
>
> I have attached the full crash message.
>
> If anyone can help, I would be *most* grateful (If you are in South Africa, I
> will buy you a meal, let alone a beer :)
>
> Kindest Regards
> Brent Clark
>
>
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