mysql memory
William Gordon Rutherdale
will.rutherdale at utoronto.ca
Wed Apr 8 05:55:18 PDT 2009
I think 'top' is showing the external view of the process and how many
pages total of heap have been allocated (under 'RES'). Possibly your
tuner program is just showing the size of the cache specifically.
-Will
Valentin Bud wrote:
> Hello community,
>
> I have mysql installed on FreeBSD 7.0 i386. I am using mysqltuner.pl from
> ports
> to check for tuning parameters. Now my problem, sort of speak, is that
> mysqltuner.pl
> shows the following:
> [OK] Maximum possible memory usage: 1.6G (53% of installed RAM)
>
> So as far as i understand mysql is limited to using max 1.6G of RAM. But
> top
> shows different things
> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
> 68083 mysql 18 44 0 2901M 1927M ucond 3 608:36
> 1.07% mysqld
>
> Why is mysql using more memory than showed in mysqltuner. Is mysqltuner
> inaccurate?
>
> Mysql is used for storing fulltext obtained throuhg OCR from different
> documents. Is there a way
> to make a chart on how much memory is needed for a given number of pages or
> documents?
>
> thanks,
> v
>
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