RE: Retrieve System Status

[Jim Damato <jdamato@xxxxxxxxxxxxxxxxx>]

Walden's suggestion of sorting by wasted space is a neat one.  I had
accomplished this in my reorg scripts, though they're not nearly as refined
as you plan for yours to be.  You could keep your scope about as simple as
it is now by driving your process off of DSPFD instead of DSPOBJD:

DSPFD FILE(&LIB/*ALL) TYPE(*MBRLIST) OUTPUT(*OUTFILE) FILEATR(*PF)...

After the DSPFD I run the output through a query, which extends the number
of records out to the amount of wasted space.  The query includes the
following calculated for the report/outfile:

Field       Expression       
PCT         MLNDTR * 100 / (MLNDTR+MLNRCD)  
WASTE       PCT/100 * MLSIZ2      

Then I sort by WASTE instead of the number of deleted records in the query's
outfile, much as you do, though I do it all manually.

The DSPFD command is good one stop shopping for all members, sizes, and
record counts.  Of course you're pretty far along with a good design and
strategy.  I can't imagine you'd want to gut the code now.

-Jim

James Damato
Manager - Technical Administration
Dollar General Corporation
(615) 855-4375
jdamato@dollargeneral.com




-----Original Message-----
From: Dan Rasch [mailto:drasch@mail.win.org]
Sent: Monday, May 14, 2001 11:30 AM
To: 'MIDRANGE-L@midrange.com'
Subject: RE: Retrieve System Status



Yes, it is not perfect, but the record lengths of the files do not
vary wildly, so the extra effort to compute the real size of deleted 
records is, well, 'out of the scope of this project.'  Besides, the
RTVMBRD gives me an easy NBRDLTRCD variable to work with.  

We are trying to clean up some age-old neglect, and hope to accomplish
this by biting the bigger (not necessarily biggest) chunks first.  
Eventually, when our remote sites have run this for a few weeks, they
will see a big improvement in their DASD.

To answer the previous post on how I accomplish this, the steps are 
fairly simple:

1. DSPOBJD &lib/*ALL to an *OUTFILE
2. Read the *OUTFILE, and write the lib,file,current recs,deleted recs
    to a file keyed descending by the deleted recs
3. Read the file and run a reorg for each record (I check for the number
    of deleted records to exceed a threshhold
4. I also have a time stored as a stop time and check it before starting
    the next reorg 

Dan Rasch - because if the human species concentrated on the really 
important things in life, there would be a shortage of fishing poles!


On Mon, 14 May 2001, Walden H. Leverich wrote:

> Dan,
> 
> Might I suggest also allowing the sort on deleted space not # of records.
> 1,000,000 deleted records in a 10 byte record is meaningless, but 100,000
> records in a 2000 byte record isn't.
> 
> -Walden
> 
> -----Original Message-----
> From: Dan Rasch [mailto:drasch@mail.win.org]
> Sent: Friday, May 11, 2001 4:12 PM
> To: MIDRANGE-L@midrange.com
> Subject: Retrieve System Status
> 
> 
>       
> I am writing an intelligent reorg program that will sort an outfile
> descending by number of deleted records and then reorg files in that
> order until a time value is reached.  The program is already operational,
> but I would like to add a before reorg message of the %ASP used and
> an after message, giving the users an idea of how much disk we recovered.
> 
> I may even go further to tell them how much storage (instead of a percent)
> was regained.  
> 
> I could do a WRKSTSSTS and parse it, but a retrieve is alot cleaner.
> Is there an API or such I could use here?
> 
> Thanks,
> Dan Rasch - because if the human species concentrated on the really 
> important things in life, there would be a shortage of fishing poles!
> 
> 
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