• Subject: Re: Error Indicator on Write
  • From: "Simon Coulter" <shc@xxxxxxxxxxxxxxxxx>
  • Date: Tue, 16 Mar 99 11:21:04 +1100

Mello David,

I agree with you.  Using SETLL and READ(E) in place of CHAIN is just dumb -- 
although common enough.  Proper 
use of blocking is generally the best single performance improvement that can 
be made to an application.  It 
does rely on sequential processing and may need a sort of some sort.

My original comments were specifically regarding the proper way to handle 
WRITEs and whether duplicate record 
checking should be performed before the WRITE.

Regarding your I/O routines:  Are you replacing an incoming request for 
read-equal-key with your own 
sequential table scan and a large blocking factor?

Simon Coulter.

 FlyByNight Software         AS/400 Technical Specialists       
 Eclipse the competition - run your business on an IBM AS/400.  
 Phone: +61 3 9419 0175      Mobile: +61 0411 091 400           
 Fax:   +61 3 9419 0175      mailto: shc@flybynight.com.au      
 Windoze should not be open at Warp speed.                      

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