New Advised Index not used

Hi,

I've been making an effort to go through our advised indexes and add them to help our system out. However I don't understand why after putting the index out there it is not being used and the system continues to advise for that very index I just added.

In this particular case, the SQL is in an embedded SQL RPG program.
When I copy that SQL (an update) and run it in STRSQL with STRDBG on, I see that it uses the new index. (I thought it might be hanging onto a MTI, as was the case in a previous index implementation). However when the program runs, it's not using the new indexes (and as I said, is asking for them) - and I see the TimesAdv value go up in SysIxAdv.

A little background: we have clients and each client has their own library. 4 of our clients run this particular process. For one of them it did use the new index, for the others it didn't.
I recreated the module & service program that has the embedded SQL in it (which is used by all clients).

The last time I put an index in that wasn't getting used (due to a MTI being used), the issue got resolved by an IPL. But in that case I could see it using the MTI when I ran STRSQL with debug mode on.
Other notes: It's not a library list issue. These are actual indexes (vs being logical files). We're at v7.2.

Short of attempting an IPL, does anyone have any suggestions?

Thanks,

Kurt Anderson
Sr. Programmer/Analyst - Application Development, Service Delivery Platform
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