Re: cas latch

Fat fingered. it is Compare and SWAP.. (Not Select...!! I type Select 
automatically when I start S!)


 
Have a nice day !!
------------------------------------------------------------
Best Regards,
K Gopalakrishnan,
Co-Author: Oracle Wait Interface: Oracle Press 2004.
http://www.amazon.com/gp/product/007222729X/

Author: Oracle Database 10g RAC Handbook, Oracle Press 2006
http://www.amazon.com/gp/product/007146509X/

----- Original Message ----
From: K Gopalakrishnan <kaygopal@xxxxxxxxx>
To: exriscer@xxxxxxxxx; oracle-l <oracle-l@xxxxxxxxxxxxx>
Sent: Monday, 30 October, 2006 9:16:51 AM
Subject: Re: cas latch

Cheng,

Do you see any contention for this latch? 

CAS is Compare and Select. Check http://en.wikipedia.org/wiki/Compare_and_swap 
for some details on CAS.


 
Have a nice day !!
------------------------------------------------------------
Best Regards,
K Gopalakrishnan,
Co-Author: Oracle Wait Interface: Oracle Press 2004.
http://www.amazon.com/gp/product/007222729X/

Author: Oracle Database 10g RAC Handbook, Oracle Press 2006
http://www.amazon.com/gp/product/007146509X/

----- Original Message ----
From: LS Cheng <exriscer@xxxxxxxxx>
To: oracle-l <oracle-l@xxxxxxxxxxxxx>
Sent: Monday, 30 October, 2006 8:43:47 AM
Subject: cas latch

Hi

I was wondering if anyone know what does cas latch do? I know is a shared latch 
but not sure for what part of SGA?

Thanks

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