Re: Making a for loop parallel instead of serial - trolling for ideas

On Mon, 15 Apr 2002 20:14:51 -0500, "David Van Zandt" <dvanzandt_at_iquest.net> wrote:

>For years I have assumed that my nightly exports of ten Oracle databases
>(one node) had to process sequentially -- perhaps because my Korn for loop
>was working, I left it alone.
>
>Unfortunately, I've become curious of late, and my theory is that the O/S
>should be capable of handling multiple export streams concurrently.
>Obviously I can "nohup" a shell script one after another. What I'm missing
>is the technique of running through that "for" loop without having to embed
>the (former) for logic into another script. For example, I'm presently
>doing a for loop that sets my SID and OH, then launches export with a
>parameter script. I do not wish to go back to having one hardcoded script
>for each of these databases -- obviously.
>
>Anyhow, does anyone care to comment whether or not this seems feasible, or
>if I'm overlooking a better approach?
>

Can't you/why can't you launch each process as a new background task?

for l in 1 2 3 4 5 6
do

   launch backup $l &
done

That should mean each backup ends up running in parrallel.

>TIA,
>dvz
>
>

wishes

-- 
laura fairhead  # laura@madonnaweb.com  http://lf.8k.com
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