SGA_MAX_size, SGA_target, PROCESSES Parameters

hi
i have oracle 11g and i want to know what are the uses of these parameters
SGA_MAX_size
SGA_target
PROCESSesAnd how can i change its values ?
If any onne of u has any information about these things please help me
Regards ,

From charles Hooper;
Take a look at page 21 of the Platform Guide for 10g Release 2 (10.2) for Microsoft Windows (32-Bit):
http://download.oracle.com/docs/cd/B19306_01/win.102/b14304.pdf
Each dedicated session's connection to the database on the Windows platform requires at least 1MB of memory - just for the session to connect. With 250 sessions connected, 250MB of memory is required before the sessions even submit their first SQL statement to perform useful work. On 32 bit Windows, each process is limited by default to no more than 2GB of memory - once the 2GB memory limit is reached, the listener will no longer be able to hand off connection requests. It is possible to raise the 2GB limit to just short of 3GB through a change to the server's boot.ini file, but that still does not allow the server to use more than 4GB of memory (and each process cannot use more than roughly 3GB).
Note that you are using the SGA_TARGET. SGA_TARGET cannot be used when USE_INDIRECT_DATA_BUFFERS=TRUE, which will allow Oracle to relocate the database block buffers into the memory region above the 4GB memory mark.
Charles Hooper
Co-author of "Expert Oracle Practices: Oracle Database Administration from the Oak Table"
http://hoopercharles.wordpress.com/
IT Manager/Oracle DBA
K&M Machine-Fabricating, Inc.

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Take a look at sapnote #828268
At the beginning of oracle 10g we have activated the ASMM ... but there is still a bug with oracle 10g which results in a hang situation (solved in 11g ... no backport planned)
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hi Abhimanyu
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Hi,
from help.sap.com
http://help.sap.com/saphelp_nw04/helpdata/en/e3/94007075cae04f930cc4c034e411e1/content.htm
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Attachments:
General Auto PID Simulator.vi ‏25 KB

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Let me simplify it a bit ...
From the links I provided:
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SGA_TARGET has a default. it does not need to be set. The default is 0, meaning NOTHING is automatically handled.
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Message was edited by: Hans Forbrich
Corrected the interpretation of SGA_TARGET default.

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Internet Information Services (IIS)
Technical Information (for support personnel)
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SGA_MAX_size, SGA_target, PROCESSES Parameters

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