Contention

Ask about System customization & performance, Workload management, I/O device configuration etc.
silambarasan123
Posts: 2
Joined: Fri Jul 29, 2011 10:00 pm
Skillset: MAINFRAME JCL,VSAM,JES2,IPL,PARMLIB,SMP/E,SMS,SMF,RACF,CICS,DB2
Referer: INTERNET

Contention

Postby silambarasan123 » Thu Aug 04, 2011 7:29 pm

what is mean by contention

Robert Sample
Global moderator
Posts: 3720
Joined: Sat Dec 19, 2009 8:32 pm
Skillset: Systems programming, SAS, COBOL, CICS, JCL, SMS, VSAM, etc.
Referer: other forum
Location: Dubuque, Iowa, USA

Re: Contention

Postby Robert Sample » Thu Aug 04, 2011 7:35 pm

Contention occurs when a resource (such as CPU, memory, channel, disk volume, tape volume, etc) is requested by two address spaces at the same time. Depending upon the specifics, they may both get access, or only one at a time may get access, to the resource.


  • Similar Topics
    Replies
    Views
    Last post