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Debbie - if the developer is using VB and closes the connection (cn.Close), he 
still needs to set the connection to Nothing (Set cn = Nothing) - VB sometimes 
leaves things open unless you do that.

-------------- Original message -------------- 
From: "Gary Monnier" <gary.monnier@xxxxxxxxxxxxx> 

> Debbie, 
> 
> Your developer needst to look at the CLOSE statement if an OPEN is used 
> and the COMMIT statement if database tables are updated. They will need 
> to determine where in their code these statements need to be placed. 
> 
> Gary Monnier | Senior Software Developer 
> 
> 19426 68th Ave. S 
> Kent, WA 98032 
> (253) 872-7788 
> gary.monnier@xxxxxxxxxxxxx 
> www.powertech.com 
> 
> 
> -----Original Message----- 
> From: midrange-l-bounces+gary.monnier=powertech.com@xxxxxxxxxxxx 
> [mailto:midrange-l-bounces+gary.monnier=powertech.com@xxxxxxxxxxxx] On 
> Behalf Of DebbieKelemen 
> Sent: Tuesday, February 28, 2006 12:25 PM 
> To: 'Midrange Systems Technical Discussion' 
> Subject: RE: Strange DASD Utilization Issue 
> 
> 
> Tom, 
> 
> You nailed it on the head! I went & looked at his code & he has no clue 
> as 
> to how to delete these things. I'm not sure how to tell him to fix 
> this. 
> He says he is always closing his connection. But he is going to try to 
> research it. He wants me to give him more specifics about it. 
> 
> Debbie 
> 
> 
> -----Original Message----- 
> From: midrange-l-bounces@xxxxxxxxxxxx 
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Gary Monnier 
> Sent: Tuesday, February 28, 2006 11:33 AM 
> To: Midrange Systems Technical Discussion 
> Subject: RE: Strange DASD Utilization Issue 
> 
> Debbie, 
> 
> How often do your network jobs utilizing ODBC/JDBC close their database 
> connections? I've seen several customers have unusual ASP usage due to 
> client programs creating new cursors each time they access the iSeries 
> database. The previously opened cursors leave open data paths and over 
> time they add up. 
> 
> Look at the number of open files (DSPJOB, option 14) for several of your 
> QZDASOINIT jobs. If you see what to you seems to be a large list of 
> open files and some start repeating it is usually a pretty safe bet that 
> a client has some cursor creation and deletion issues. 
> 
> 
> Another ODBC/JDBC issue that can occur is when a client program does not 
> perform a commit often enough. The uncommitted transactions still have 
> to be tracked and that takes up space and memory. An example would be 
> where you have 1000 clients performing database updates and the client 
> only performs a commit when it ends. If this only occurs once a day 
> then all those transactions stay in the server's cache. 
> 
> -----Original Message----- 
> From: midrange-l-bounces@xxxxxxxxxxxx 
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of DebbieKelemen 
> Sent: Tuesday, February 28, 2006 9:44 AM 
> To: 'Midrange Systems Technical Discussion' 
> Subject: RE: Strange DASD Utilization Issue 
> 
> 
> Tom, 
> 
> I guess my next step would be since we are 24x7 with the web would be to 
> figure out which subsystems I can end & bring back up without impacting 
> the 
> web jobs. And my guess is - it's the web jobs that are my biggest 
> offenders 
> in this whole thing. I just need a way to prove it to my IT Director on 
> paper so I can justify shutting things down for a few minutes. Which is 
> what it really takes. 
> 
> Deb 
> 
> 
> -----Original Message----- 
> From: midrange-l-bounces@xxxxxxxxxxxx 
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of 
> qsrvbas@xxxxxxxxxxxx 
> Sent: Monday, February 27, 2006 6:50 PM 
> To: midrange-l@xxxxxxxxxxxx 
> Subject: RE: Strange DASD Utilization Issue 
> 
> midrange-l-request@xxxxxxxxxxxx wrote: 
> 
> > 3. Strange DASD Utilization Issue (DebbieKelemen) 
> > 
> >After an IPL, my system is at a nice 38.64% utilization. Within a day 
> it 
> >has grown to 42.98%. I can guarantee within a few weeks I will be up 
> to 50 
> >or more percent and I will need to IPL to get my DASD down for the mid 
> 60% 
> >within a 6 week period or so. 
> > 
> >When I run a GO DISKTASK, it shows that Temporary space is 5% of my 
> system. 
> >That is what my system grew by. How do I keep my temporary space under 
> >control? 
> 
> Debbie: 
> 
> I not clear on why 5% temp storage would seem to be unusual. Without 
> knowing 
> how "big" your system is and how it's used, there's no way to really 
> guess; 
> but 5% is a reasonable amount. 
> 
> With nothing else to go on, I'd say you're in great shape. 
> 
> One minor note... A good part of "temporary storage" can be reclaimed 
> without an IPL. Simply ending and restarting your various subsystems 
> will 
> handle a lot of it. That directly implies that the jobs in those 
> subsystems 
> are also ended. As days go by, system server jobs, subsystem monitors, 
> etc., 
> have joblogs and other elements take little bits of storage temporarily. 
> When the jobs are ended, some of the stuff in temporary storage gets 
> moved 
> into permanent storage, e.g., spooled joblogs, and other stuff is simply 
> deleted. 
> 
> Tom Liotta 
> 
> -- 
> Tom Liotta 
> The PowerTech Group, Inc. 
> 19426 68th Avenue South 
> Kent, WA 98032 
> Phone 253-872-7788 x313 
> Fax 253-872-7904 
> http://www.powertech.com 
> 
> 
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