Increase the SGA size!

Hi,
We are using EBS 12.0.6 and DB 10.2.0.3.
Currentlly My SGA is 2 GB and we have 8 GB of RAM, and Swap area is 10 GB.
Please recommemded us to SGA size and related DOC ID.
thx.

Hi again;
In addition to my previous post also check
Oracle Database 10g Automated SGA Memory Tuning Doc ID: 257643.1
How To Use Automatic Shared Memory Management (ASMM) In Oracle10g Doc ID: 295626.1
Hope it helps
Regard
Helios

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How to Increase the SGA Size.

Hi Guru's
I want to Know
How to Increase the SGA Size in Database 8.1.7.4.1
My Ram Size is 6 GB
When I query the Below Script
select name, value
from v$parameter
where name in ('shared_pool_size', 'java_pool_size', 'streams_pool_size',
'log_buffer', 'db_cache_size', 'db_2k_cache_size', 'db_4k_cache_size',
'db_8k_cache_size', 'db_16k_cache_size', 'db_32k_cache_size',
'db_keep_cache_size', 'db_recycle_cache_size', 'large_pool_size');
Result
shared_pool_size     300000000
large_pool_size     0
java_pool_size     50000000
log_buffer     10485760
Please Suggest Me the How Much Value also to increase the SGA
My RAM SIZE is 6 GB
Regards
***SBJ***

SGA size on 8i is static , and for increasing the size you have to make the changes in the pfile and bounce the database
First thumb rule is that your SGA should not exceed more than 40% of your PHYSICAL RAM in oracle <= 8i version. You can go around 80% from oracle 9i onwards
http://mohamedazar.wordpress.com/2010/08/30/can-i-increase-sga-target-size-greater-than-sga-max-size/
Edited by: Amigo on Dec 18, 2010 1:31 AM

Increasing the SGA Size to Reduce CPU Run Queues?

I got the following e-mail message from one of our UNIX admins and wanted to know if anyone can shed some light on this:
I was just talking to [a consultant] about the problems on [the database server] and he pointed out that he has seen extremely high CPU run queues on this server, despite the fact that average CPU usage is not hitting 100%. We did some more digging and memory is being poorly utilized on this server. There is a lot of available memory that is not being used. We think that the run queues are running up because we have multiple reports coming in and sitting on the individual CPUs but they aren't able to fully utilize the available CPU. We were wondering if it would be possible to adjust the database to use more of the available memory and see if that allows the queries to use the CPU more effectively.

jdurst wrote:
I got the following e-mail message from one of our UNIX admins and wanted to know if anyone can shed some light on this:
I was just talking to [a consultant] about the problems on [the database server] and he pointed out that he has seen extremely high CPU run queues on this server, despite the fact that average CPU usage is not hitting 100%. We did some more digging and memory is being poorly utilized on this server. There is a lot of available memory that is not being used. We think that the run queues are running up because we have multiple reports coming in and sitting on the individual CPUs but they aren't able to fully utilize the available CPU. We were wondering if it would be possible to adjust the database to use more of the available memory and see if that allows the queries to use the CPU more effectively.First, [read these comments.|http://prodlife.wordpress.com/2008/05/06/newsflash-100-cpu-is-worse-than-you-think/#comments]
So, there are a lot of things that could be happening, and your post doesn't even begin to point in the right direction. Is your system heavily batched? You might speed report things up by slowing down the batch and letting other things use the cpu's. What does Oracle think it is waiting on?
As the comments cited above suggest, Cary's book addresses how to figure these things out. Big CPU run queues are certainly an indication of tuning necessity, perhaps on both the Oracle and OS side. It could even be something silly like I/O being too slow so the CPU's are waiting on that stuff. There are enough variables involved it can very quickly become like squeezing balloon animals if you don't use a structured approach.
So, what all hardware is involved? What are your init.ora parameters? What exact versions of everything? What do OS utilities show?

Increase the SGA Memory

Hi,
Iam using oracle 9i OS Solaris version 9.2.0.6
I am new to Oracle Database and i learn DBA any help me.
My Database Ram Size is 16 Gb
Now the SGA Size is below
Total System Global Area 3747585360 bytes
Fixed Size 736592 bytes
Variable Size 1593835520 bytes
Database Buffers 2147483648 bytes
Redo Buffers 5529600 bytes
Now i want to increase the SGA size to 5 Gb
How to increase the SGA Size and give the examples SGA Based parameters also i want to increase so Kindly Help.
Regards,
Suresh Kumar

Hi.It is correct that you must look into the documentation as the first-point-of-resource.It will be more quicker than to wait for the reply here.Not to say that don't post your question but do a search, get some thing in your hand,read it and when you dont understand it than post the question here.It will be more better approach of learning.
For your question , in 9i you can't increase the total memory for your SGA on the fly as like you can (to some extent).If you want to increase the total memory allocated to your SGA than you need to change the parameters which constitute the total memory for the SGA in 9i.REad here.
http://download.oracle.com/docs/cd/B10501_01/server.920/a96521/create.htm#998095
SGA_MAX_SIZE parameter controls the total memory allocated to your SGA in 9i.You need to change its value in the parameter file/spfile and bounce your db to reflect teh changes.
Aman....

Increase the SGA and PGA size

Hello Guru,
How do i check what is my SGA and PGA..I am using TOAD..
I need to increase the SGA and PGA size...Please help..
I have a table having 200 million records, all indexes are there for the column..But it hang on in the debugging mode and also compile mode..
So i believe, I need to increase the SGA and PGA size...
Thanks,
Haraprasad...

805936 wrote:
Hello Guru,
How do i check what is my SGA and PGA..I am using TOAD..
I need to increase the SGA and PGA size...Please help..
The current size for both SGA and PGA can be shown depending on the version of the db. For 10g, the SGA size is shown by sga_target parameter and PGA size is shown by pga_aggregate_target parameter. For 11g, the parameter memory_target sets them both.
I have a table having 200 million records, all indexes are there for the column..But it hang on in the debugging mode and also compile mode..
So i believe, I need to increase the SGA and PGA size...No, IMO, your believe doesn't hold much base as the evidence that you have used is insufficient. What is the debugging mode or compile mode ? For what purpose you are using these modes? 200 million is not a very large number if you ask me. Tell us your db version and based on it, generate a Statspack or AWR report and post here.
HTH
Aman....

How to increase the database size

Hi All ,
Our Client is going to increase their customers from 3.5 million to 5 millions
(12 millions in future ) and there is no increase in the existing licenses..
At present we have very less space in Data base server. We are Going Live at the End of the Month.
How to increase the database size to meet the Client requirements.
we have to increase the No of Processerors etc...
Below are the details of Servers:
System Model: IBM,7040-681
Machine Serial Number: 830D5BF
Processor Type: PowerPC_POWER4
Number Of Processors: 2
Processor Clock Speed: 1904 MHz
CPU Type: 64-bit
Kernel Type: 64-bit
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Good Memory Size: 4096 MB
Note : Server is IBM P690.
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Thanks in Advance..
Kasi Chukka

Hi Kasi,
Your question is not very clear, from the looks of it, the load on your client's system will be doubling soon.
You need to look at the system stats on how the system is handling the current load, use transactions ST06, ST04 and ST02 to check if the DB hit ratios are as expected, the cpu idle time, the busy periods. Identify if there is large amounts of paging on the server(candidate for increase in real memory).
On AIX level, you will need to look at CPU / Memory usage.
On SAP Application server, you need to look at SAP Buffers.
On Oracle end, look at SGA stats, if it need to increase, the data growth that is current and estimated growth (DB02).
You will not get an exact answer to it, you will need to analyze the existing load and then estimate (guess). The hardware upgrade will also depend on what the client is willing to spend, its always a good practise to add 20% to what you have estimated as these figures are never accurate.
All the best.
Cheers,
Nisch

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Question
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Increase text size in Screen
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Many thanks,
Zsolt

Oh good, they seem to have broken the forum formatting again.
====================================================================================================================
Bug ID:     4362291     Stack size argument ignored (-Xss and -ss)
====================================================================================================================
public class StackOverflowTest {
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/code]

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Increase the SGA size!

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