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From:Simon Date:November 20 2005 8:17pm
Subject:Re: Mysql 4.1 full table (nearly) - best practice to alter?
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sheeri kritzer wrote:

> On 11/18/05, Michael Stassen <Michael.Stassen@stripped> wrote:
> 
>>Sheeri,
>>
>>I think you've missed the point.  The 4Gb limit is in mysql, not the filesystem.
>>  Mysql effectively doesn't limit tablesize, but the *default* pointer size
>>limits you to a max of about 4Gb in a MyISAM table.  To have a larger table, you
>>need to tell mysql that it needs to use a larger pointer for that table, either
>>at table creation, or with an ALTER TABLE such as the one Simon is proposing to
>>run.  See the last half of
>><http://dev.mysql.com/doc/refman/5.0/en/table-size.html> for more.
> 
> 
> You're right, I did miss the point.  Thanx for pointing this out; I
> wasn't sure why he was asking the question!
> 
> -Sheeri

Hi There,

Im asking the question because :) ... I am running dbmail, which is a 
mail server that stores its mail in mysql. The table where all the mail 
is is getting nearly to 4GB, which is its Max_data_length limit:

show table status from dbmail like 'dbmail_messageblks';

gives Data_length = 3204062980 and Max_data_length = 4294967295

Im wanting a simple way of increasing the size of Max_data_length in the 
shortest amount of time as it is a live mail server.

Simon


Thread
Mysql 4.1 full table (nearly) - best practice to alter?Simon18 Nov
  • Re: Mysql 4.1 full table (nearly) - best practice to alter?sheeri kritzer18 Nov
    • Re: Mysql 4.1 full table (nearly) - best practice to alter?Michael Stassen18 Nov
      • Re: Mysql 4.1 full table (nearly) - best practice to alter?sheeri kritzer20 Nov
        • Re: Mysql 4.1 full table (nearly) - best practice to alter?Simon20 Nov
  • Re: Mysql 4.1 full table (nearly) - best practice to alter?Pooly18 Nov