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Database - RAC/Scalability (MOSC)

How to read Global Cache Transfer Stats section in AWR : Oracle 12c

Jul 17, 2017 10:22AM edited Jul 18, 2017 9:48AM in Database - RAC/Scalability (MOSC) 3 commentsAnswered ✓

Hello Oracle enthusiasts,

I need your expertise to understand the nomenclature and logic behind the 'Global Cache Transfer Stats ' on the AWR report from Oracle 11g onwards.

I'm trying to understand the columns mentioned in the same, as well as how to interpret the data. Please help.

Global Cache Transfer Stats

Immediate (Immed) - Block Transfer NOT impacted by Remote Processing Delays
Busy (Busy) - Block Transfer impacted by Remote Contention
Congested (Cngst) - Block Transfer impacted by Remote System Load
All - average time of All blocks (Immed,Busy,Cngst) in ms
Ordered by instance_number, CR + Current Blocks Received desc

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