I'm an MVS performance/capacity person, not a CICS person.  However, I
did discuss this with my CICS guru.  He says that you could consider
what John says about increasing the size of the temporary storage
datasets.  However a 45000 track (3000 cylinder) temp store is pretty
big.  Some other things to consider are trying to find out if someone is
using temp store incorrectly and doing a little education.  Temp store
should be used for short lived, small items.  If they are pulling a
large dataset into temp store then it's going to overrun the temp store.
Also, while issuing the "EXEC CICS DELETE TSQUEUE" command is the proper
procedure my CICS guy says it often isn't done.  Therefore he has a CICS
command that he can run to clear out anything in temp store that is
older then a certain amount of time - say 2 hours.

Have you posted this to CICS-L?  You will probably get some more
suggestions on that list.    

Tom Kelman
Commerce Bank of Kansas City
(816) 760-7632

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
> Behalf Of Eatherly, John D [EQ]
> Sent: Tuesday, January 15, 2008 9:16 AM
> To: [email protected]
> Subject: Re: CICS Issue URGENT ....
> 
> One of our guys said:
> 
> Two things, increase the temporary storage dataset, this will increase
the
> CI's.Also make sure if he's doing a EXEC CICS WRITE TSQUEUE he should
do a
> EXEC CICS DELETE TSQUEUE when task is complete to clean up temp
storage
> dataset. Hope this helps.
> 
> Thanks
> John Eatherly
> 
> 
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
> Behalf Of Jacky Bright
> Sent: Tuesday, January 15, 2008 9:09 AM
> To: [email protected]
> Subject: CICS Issue URGENT ....
> 
> Hi ,
> 
> Today got some problem in the CICS Region which caused the CICS to
hang
> and
> there were no responses for any of the transactions. On analysis found
> that
> there was following message in the CICS Log.
> 
> +DFHTS1315 CICSPROD The temporary storage data set has exceeded the
> maximum
> number of control intervals supported.
> 
> Anyone having idea what could b the reason behind this ?
> 
> I noticed that there is DFHTEMP dataset defined and currently having
> following properties.
> 
> 
> Tracks
> %Used XT  Device
> CICSTS.CICSPROD.DFHTEMP.DATA                   45000    ?  27  3390
> 
> How can we avoid this in future ?
> 
> JAcky
> 
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