Re: Progress of an index rebuild

From: Paul Drake <discgolfdba_at_yahoo.com>
Date: Tue, 06 Jan 2004 10:29:29 -0800
Message-ID: <F001.005DBDD3.20040106102929@fatcity.com>

Daniel Hanks <hanksdc_at_about-inc.com> wrote:
> Is there any way to check on the progress of an
> index rebuild? (Oracle 8i). I.e., it would be nice
> to get some indicator as to how far an index rebuild
> has gone, something like "75% done...".
>

Daniel,

v$session_longops, perhaps?
(at least for the sort operation).
I'd run a test, but stomach tells me otherwise.

There is a window in OEM, if you edit the session, that will show a progress bar. methinks that it is hitting v$session_longops under the hood. pretty easy to see which sql (in v$sql) belongs to OEM, as it is hinted with "OEM" in it.

Paul

> As a rough indicator, I've noticed when
> rebuilding/moving an index to a different
> tablespace, Oracle will allocate temporary extents
> in the tablespace to which the index is being moved.
> So, in theory, I suppose I could see how big (in
> terms of extents) the index is before moving it and
> use that as a rough indicator to see how far along
> the rebuild is by counting the number of temporary
> extents allocated in the new tablespace (taking into
> account the extent size in the new tablespace).
>
> Are there better ways to see the progress of an
> index rebuild?
>
> Thanks for any help.
>
> -- Dan
>

> Daniel Hanks - Systems/Database Administrator
> About Inc., Web Services Division
>

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Author: Paul Drake
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Received on Tue Jan 06 2004 - 12:29:29 CST