RE: Navigator - Index Advisor for Existing Indexes

[Brian Piotrowski <bpiotrowski@xxxxxxxxxxxxxxx>]

Thanks Charles....I did have a quick look and for that file there are only a handful of indexes.

/b;

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Charles Wilt
Sent: Tuesday, December 22, 2009 11:05 AM
To: Midrange Systems Technical Discussion
Subject: Re: Navigator - Index Advisor for Existing Indexes

Another possibility,  if there are lots of indexes, the optimizer may
be timing out before it sees the one it is asking for.

Charles

On Tue, Dec 22, 2009 at 10:31 AM, DeLong, Eric <EDeLong@xxxxxxxxxxxxxxx> wrote:
> Have you run the job in debug, so that SQL diagnostic messages are
> logged?  I believe the optimizer sends diag messages with the reason why
> an index is selected or rejected.  Also, look for any QAQQINI files that
> may be in effect (QUSRSYS would be a global default).
>
> Is the existing index really an index, or is it a DDS logical file?
> What os release are you on?
>
> Hth,
> Eric
>
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Brian Piotrowski
> Sent: Tuesday, December 22, 2009 7:10 AM
> To: Midrange Systems Technical Discussion
> Subject: Navigator - Index Advisor for Existing Indexes
>
> Hi All,
>
> Can someone please explain to me why the Index Advisor in Navigator will
> ask for an index even though it already exists?  I ran the index advisor
> against my data library and it asks me to create an index for a table.
> When I try to create the index, the system reports an error telling me
> the index already exists.  However, the "Times Advised for Query Use"
> for this index keeps going up.
>
> Any ideas?
>
> Thanks!
>
> /b;
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Brian Piotrowski
> Assistant Mgr. - I.T.
> Simcoe Parts Service, Inc.
> Ph: 705-435-7814 x343
> Fx: 705-435-6746
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> http://www.simcoeparts.com
>
> --
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing
> list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
>
>
>
> --
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
--
This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
To post a message email: MIDRANGE-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/midrange-l
or email: MIDRANGE-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives
at http://archive.midrange.com/midrange-l.