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VSAM Performance with CA split or a CI split
IBM Mainframe Forums -> JCL & VSAM
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THINKSRINIII
Warnings : 1
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Joined: 09 Jan 2009
Posts: 88
Location: India
PostPosted: Mon Mar 23, 2009 10:52 am
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Hi Guys..

Which will deteriorate the performance of VSAM More? A CA split or a CI split..

Thanks.
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Garry Carroll

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Joined: 08 May 2006
Posts: 1193
Location: Dublin, Ireland
PostPosted: Mon Mar 23, 2009 1:38 pm
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By definition, a CA split must since a CI split must have given rise to the CA split.

Garry.
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expat

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Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
PostPosted: Mon Mar 23, 2009 2:45 pm
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A CA split would be worse than a CI split as the read/write heads must search another area of the DASD to continue reading the remainder of the CA.
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