Re: Dimensioning datafiles (smaller pieces, medium big ones ?)

From: Finn Jorgensen <finn.oracledba_at_gmail.com>
Date: Sat, 16 Feb 2008 11:03:33 -0500
Message-ID: <74f79c6b0802160803s39ff4b06h239138a2d54f26b2@mail.gmail.com>


Ricardo,

Personally I like to split tables and indexes into different tablespaces and also split large objects from small objects into seperate tablespaces. For the large objects I might go to a uniform extent allocation policy and for the small I would typically use autoallocate.

Finn

On Feb 15, 2008 10:00 AM, Ricardo Santos <saints.richard_at_gmail.com> wrote:

>
> Hello to you all,
>
> I would like to ask some advices on I should dimension datafiles, when I
> already know how much space is going to be occupied by the objects on the
> tablespace to which the datafile(s) belong.
>
>
>
> I'm going to create a new tablespace for table objects that I already know
> that are going to occupy 24.6 Gb and with a tendency to grow relatively
> fast (0,5 Gb per month). These objects are going to be imported to the new
> system.
>
> My question is: Should I create one bigger datafile (let's say 30Gb) to
> contain all the tables or should I organize things in smaller datafiles ?
> What would be an optimal size, if there is an answer for this question ?
>
>
>
> My preference and felling goes to have less pieces to manage and handle,
> but I don't want to go to performance problems due to the operating system
> handling large files.
>
>
>
> Here's some technical information about the environment:
>
> Datbabase version: 10.2.0.3 64 bits
>
> SO: RedHat 4 Update 6 64 bits
>
> Disks: Internal Disks with a total size of 400Gb, formatted as RAID 10 and
> organized in a LVM Group, with several LVM's.
>
>
>
> Thanks for all your attention.
>
>
>
> Best regards,
> Ricardo Santos.
>
>

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Received on Sat Feb 16 2008 - 10:03:33 CST

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