Re: Processing Time - Consecutive versus Simultaneous Jobs

[PaultinNZ <paultormey@xxxxxxxxx>]

Hey Evan,

Think that should have read Cindy..

Cheers
Paul


On 15 June 2013 13:25, Evan Harris <auctionitis@xxxxxxxxx> wrote:

> Hi Cynthia
>
> as an alternative, consider modifying your save strategy as follows:
> - Use virtual tape instead of savf's - will allow you to use 1 SAVLIB
> operation instead of 7
> - Use Save While active so you can you can restart processing once you have
> a sync point instead of when the save is completely finished.
>
> If you do decide to use save while active be sure to understand the SAVACT
> parameter.
>
> Seems a bit odd that you are saving you high availability libraries on what
> sounds like the source system. Is there a reason you don;t save them on the
> target so jobs on the source don;t need to be interrupted ?
>
>
>
> On Sat, Jun 15, 2013 at 7:47 AM, <Cynthia.Rogers@xxxxxxxxxxx> wrote:
>
> > We end QINTER and do a SAVLIB to *SAVF (in QBATCH) for our top seven high
> > availability libraries before restarting QINTER and allowing users back
> on
> > the system while the remaining libraries are backed up to tape.
> >
> > We were running the SAVLIB commands consecutively, one after another, in
> > QBATCH.  This job started running over into our dayend processing, so we
> > decided to submit these SAVLIB jobs separately to QBATCH so they could
> all
> > run at the same time.
> >
> > We expected each of these submitted jobs to take about the same time as
> > they were taking when they were run one after another.  That, however, is
> > not what happened.  Our results were as follows:
> >
> >                             Run Date 6/13/13                        Run
> > Date 6/14/13
> >                         Running Consecutively                   Running
> > Concurrently
> > Library                 Start           End                     Start End
> >
> > PWRDTA          3:00 a.m.       3:36 a.m.               3:00 a.m. 4:23
> > a.m.
> > BLDDTA          3:36 a.m.       4:00 a.m.               3:00 a.m. 4:10
> > a.m.
> > PWRFOR          4:00 a.m.       4:02 a.m.               3:00 a.m. 3:09
> > a.m.
> > BLDFOR          4:02 a.m.       4:03 a.m.               3:00 a.m. 3:04
> > a.m.
> > IPWCSPRDF               4:03 a.m.       4:03 a.m.               3:00 a.m.
> > 3:00 a.m.
> > IPWBLPRDF               4:03 a.m.       4:03 a.m.               3:00 a.m.
> > 3:00 a.m.
> > IPWBSPRDF               4:03 a.m.       4:24 a.m.               3:00 a.m.
> > 4:02 a.m.
> >
> > Our SAVLIB commands are:  SAVLIB LIB(library name) DEV(*SAVF)
> > SAVF(HALIB/library name) PVTAUT(*YES)
> >
> > What am I missing?  Is there anything I can do to speed this process up?
> >
> > Thanks.
> >
> > Cindy Rogers
> > Blue Line Foodservice Distribution
> > 248/478-4213
>
>
> --
>
> Regards
> Evan Harris
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