Topic: Database Administration >> granules
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| joshi |
Posted: Jan 05, 2008 01:16:50 AM |
Total Post: 24
Joined: Apr, 2007
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 Babu |
| Posted: Jan 05, 2008 01:29:01 AM |  |
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Total Post: 92
Joined: Oct, 2007
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The SGA virtual memory in Oracle is allocated in units called granules. A granule is allocated as a contiguous virtual memory unit, and the number and size of granules are determined at startup. Note that the large pool and Java pools are optional.
http://www.oracle.com/technology/oramag/oracle/02-sep/o52ocp.html
Babu
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| vishal |
| Posted: Jan 05, 2008 01:29:26 AM | |
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Total Post: 7
Joined: Jan, 2008
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A granule is a unit of contiguous virtual memory allocation.The size of a granule depends on the estimeted total SGA size whose calculation is based on the value of the SGA_MAX_SIZE parameter.
4MB if estimeted SGA size is <128MB,
otherwise 16MB
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