Re: DB_CONFIG with growing data sets

[Quanah Gibson-Mount <quanah@stanford.edu>]

--On Tuesday, November 01, 2005 9:56 AM +0000 Leigh Porter 
<leighldap@leighporter.org> wrote:

> Hiya all,
>
> I have not actually had a problem with this yet but was wondering what
> you do with DB_CONFIG
> with a growing directory. i.e. you configure DB_CONFIG for your tree with
> suitable sizes for your
> growth predictions, fine. Then the tree grows and grows and I guess you
> change DB_CONFIG to
> reflect this. Presumably when you restart slapd the new DB_CONFIG is read
> and all is well.
>
> So, when you create the initial DB_CONFIG if you have enough memory is it
> good practice to configure
> it so that it uses as much memory as you can spare to contain your
> growing directory or should you
> continually change DB_CONFIG (the frequency of this depends on your
> directory growth rate)
> to reflect the size of your directory?


I would configure DB_CONFIG to handle my current size + some set of 
estimated growth.  It is a file that will need periodic tuning if you have 
a database that grows over time. ;)

--Quanah

--
Quanah Gibson-Mount
Principal Software Developer
ITSS/Shared Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html