That is what I thought.  Then why would it be going at 99% CPU for over 20
minutes?  What factors would cause that?  We are using version 4.1.20standard.

Would the fact that a website was still connected to DB cause the problem?

Dan you rock!

On 11/17/06, Dan Buettner <[EMAIL PROTECTED]> wrote:

Scratch that, I just created a 100000 row table with 2 varchar255's.
Creating a 2 col index on it took 2.09 seconds.  Could take longer due
to all the other fields you have in your table but a couple of minutes
at the outside.

Dan


On 11/17/06, Dan Buettner <[EMAIL PROTECTED]> wrote:
> John, I would guess with about 100,000 rows, it might take a couple
> minutes to create an index on two varchar-255 columns.  With modern
> hardware anyway. Very rough estimate.
>
> Factors include amount of RAM, speed of disks, speed of processors,
> other processes running and either locking table or just using
> resources.
>
> Do a SHOW PROCESSLIST; to see if your index creation is blocked.
>
> Dan
>
>
> On 11/17/06, John Kopanas <[EMAIL PROTECTED]> wrote:
> > I have a mysql table with 100K rows approximately.
> >
> > We are creating the following index:
> > create index closed_base_cust_and_job on
backlog_dev.closed_bases(cust_no,
> > jobno);
> >
> > Both cust_no and jobno are varchars(255)
> >
> > There is 56 fields in the table and no other indeces except on the
primary
> > key.
> >
> > Should it be taking a long time?  How long would some estimate it
takes?  Is
> > there a way to estimate how long it takes?  What factors affect the
time it
> > takes to create an index?
> >
> > Thanks for your help.
> >
> > Your Friend,
> >
> > --
> > John Kopanas
> > [EMAIL PROTECTED]
> >
> > http://www.kopanas.com
> > http://www.cusec.net
> > http://www.soen.info
> >
> >
>




--
John Kopanas
[EMAIL PROTECTED]

http://www.kopanas.com
http://www.cusec.net
http://www.soen.info

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