ThumbRule for Database server sizing

Hi all,
Please help me in sizing the oracle database server.
Is there any thumbrule for sizing depending on concurrent users?
Any links??

Please help me in sizing the oracle database server.Is there any thumbrule for sizing depending on concurrent users?
Any links??
Sizing What ?
1. Disk
2. Memory
3. No of CPU's
4. SGA
5 All of thses.
hare krishna
Alok

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Hi All,
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EdStevens wrote:
Justin Mungal wrote:
EdStevens wrote:
user1970505 wrote:
Hi All,
I need a server sizing for the below mentioned architecture:
This application is basically for logistics company which we are planing to host it centrally with two server's one server for application and one for oracle database along with DR site (Other Location). There are four locations and each location will have 20 users who are going to access this application (20 x 4= 80 Users). We are using MPLS network of 35 mbps bandwidth.
1. Application server: Windows server 2008 R2
2. Database Server: Windows server 2008 R2, Oracle 11g r2
I need a server sizing documents.
Thanks........I'd seriously reconsider hosting Oracle db on Windows. Obviously there are many, many shops that do. And obviously it is often a case of the fact that they do not have (and choose to not acquire) expertise in Linux. But I've been in IT for 30+ years and have worked on IBM S-370 and its variants and descendents, Windows since v3, DEC VMS, IBM OS/2, Solaris, AIX, HPUX, and Oracle Linux. The first Oracle database I ever created was on Windows 3.11 and at that point I had never seen *nix. Now I am in a position to state that Windows is the worst excuse of an operating system of any I have ever used. I am constantly amazed/amused by how often (at least once a month on schedule, plus unplanned times) that our Windows SA has to send out a notice that he is re-booting his servers. I can't remember the last time we had to reboot a Linux server ( I have 4 of them)
Yes, I'm biased away from Windows, but that bias comes from experience. Hardly a day goes by that I don't see something that causes me to say to whoever is in earshot "have I told you how much I hate Windows?"I was going to refrain from commenting on that, as I assumed they're a Windows shop and aren't open to any other OS (but my assumption could be incorrect).
I haven't been working in IT for as long as many of the folks around here, only about 10 years. I'm a former system admin that maintained both Linux and Windows servers, but my focus was on Windows. In the right hands, Windows can be rock solid. If a system admin has to reboot Windows servers often, he is most likely doing something wrong, or is rebooting for security updates. It's never as simple as "Windows Sucks," or "Linux Sucks;" it all depends on who's running the system (again, in my opinion).
I have seen some windows servers run uninterrupted for so long no one could remember the admin password. But more often memory leaks and the "weekly update" (replacing last weeks bugs with this weeks) is the culprit.
Yes, it really is sad how often you have to reboot for updates if you want to keep your system current. Mind you, it's better to have the fixes then to not have them (maybe). I rebooted my servers about once every month at my old place... which is not that bad.
With that said, in my experience, Oracle on Windows is a major pain. It takes me much longer to do anything. Once you get proficient with a CLI like the bash shell, the Windows GUI can't compare.Agreed. One of my many complaints about Windows is the poor excuse of a shell processor. I'm pretty proficient in command line scripting, but still cringe when I have to do it. Practically every line of code I write for a command script is accompanied by the remark "this is so lame compared to what I could do with a shell script". Same for vi vs. notepad. But my real problem is the memory leaks and the registry. I'm fairly comfortable hacking certain areas of the registry, but the need to and the arcane linkages between different areas of the registry and how they influence 'process environment' remains a mystery to all but a tiny minority of admins. Compare to *nix where everything is well documented and "knowable".
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http://sqlblog.com/blogs/jonathan_kehayias/archive/2010/03/22/sql-server-installation-checklist.aspx
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I am getting an error message "All available connections to database server are in use by other client machines. Please try again later and check the log file for error 5054" when trying to log into HRC (This user has the reporting capabilities) . I checked the log files this is what i found out
The log file stated that there were ongoing connections of HRC with the CCX (I am sure there isn't any active login to HRC)
|| When you tried to login the following error was being displayed because the maximum number of connections were reached for the server . We can see that a total number of 5 connections have been configured . ||
1: 6/20/2014 9:13:49 AM %CHC-LOG_SUBFAC-3-UNK:Current number of connections (5) from historical Clients/Scheduler to 'CRA_DATABASE' database exceeded the maximum number of possible connections (5).Check with your administrator about changing this limit on server (wfengine.properties), however this might impact server performance.
|| Below we can see all 5 connections being used up . ||
2: 6/20/2014 9:13:49 AM %CHC-LOG_SUBFAC-3-UNK:[DB Connections From Clients (count=5)]|[(#1) 'username'='uccxhrc','hostname'='3SK5FS1.ucsfmedicalcenter.org']|[(#2) 'username'='uccxhrc','hostname'='PFS-HHXDGX1.ucsfmedicalcenter.org']|[(#3) 'username'='uccxhrc','hostname'='PFS-HHXDGX1.ucsfmedicalcenter.org']|[(#4) 'username'='uccxhrc','hostname'='PFS-HHXDGX1.ucsfmedicalcenter.org']|[(#5) 'username'='uccxhrc','hostname'='47BMMM1.ucsfmedicalcenter.org']
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3: 6/20/2014 9:13:49 AM %CHC-LOG_SUBFAC-3-UNK:Number of max connection to 'CRA_DATABASE' database was reached! Connection could not be established.
4: 6/20/2014 9:13:49 AM %CHC-LOG_SUBFAC-3-UNK:Database connection to 'CRA_DATABASE' failed due to (All available connections to database server are in use by other client machines. Please try again later and check the log file for error 5054.)
Current exact UCCX Version 9.0.2.11001-24
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Business impact Not Critical
Exact error message All available connections to database server are in use by other client machines. Please try again later and check the log file for error 5054
What is the OS version of the PC you are running and is it physical machine or virtual machine that is running the HRC client ..
OS Version Windows 7 Home Premium 64 bit and it’s a physical machine.
. The Max DB Connections for Report Client Sessions is set to 5 for each servers (There are two servers). The no of HR Sessions is set to 10.
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Oracle: oracle 10g release r2 for windows server 2008
An error occurred when creating a database, stop at last step, Screenshot:
[http://temp.wsria.com/oracle_create_db.png|http://temp.wsria.com/oracle_create_db.png]
the trace log content:
[main] [9:56:35:982] [CommandLineArguments.process:563] CommandLineArguments->process: number of arguments = 32
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[main] [9:56:36:715] [Library.load:197] Loading orauts.dll...
[main] [9:56:36:715] [Library.load:203] oracleHome D:\oracle\product\10.2.0\db_1
[main] [9:56:36:715] [sPlatform.isHybrid:63] osName=Windows Vista osArch=amd64 rc=false
[main] [9:56:36:715] [Library.load:223] Loading library D:\oracle\product\10.2.0\db_1\bin\orauts.dll
[main] [9:56:36:715] [Library.load:247] Loaded library D:\oracle\product\10.2.0\db_1\bin\orauts.dll from path=
D:\oracle\product\10.2.0\db_1\bin
[main] [9:56:36:715] [Library.load:197] Loading MSVCRT.dll...
[main] [9:56:36:715] [Library.load:203] oracleHome D:\oracle\product\10.2.0\db_1
[main] [9:56:36:715] [sPlatform.isHybrid:63] osName=Windows Vista osArch=amd64 rc=false
[main] [9:56:36:715] [Library.load:223] Loading library D:\oracle\product\10.2.0\db_1\bin\MSVCRT.dll
[main] [9:56:36:731] [Library.load:247] Loaded library D:\oracle\product\10.2.0\db_1\bin\MSVCRT.dll from path=
D:\oracle\product\10.2.0\db_1\bin
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[main] [9:56:36:731] [Library.load:203] oracleHome D:\oracle\product\10.2.0\db_1
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[main] [9:56:36:731] [Library.load:203] oracleHome D:\oracle\product\10.2.0\db_1
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[main] [9:56:36:746] [WindowsSystem.getCSSConfigType:1163] configType=null
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[main] [9:56:36:902] [InitParamHandler.endElement:506] CustomSGA flag: false
[main] [9:56:36:902] [InitParamHandler.endElement:507] Database Type: MULTIPURPOSE
[main] [9:56:36:918] [InitParamHandler.endElement:508] Mem Percentage: 40
[main] [9:56:36:918] [InitParamHandler.endElement:526] distributing Memory: 13737443328
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[main] [9:56:36:918] [StorageAttributes.setAttribute:232] IN threadID:1 group#=1
[main] [9:56:36:918] [StorageAttributes.setAttribute:232] IN threadID:1 group#=2
[main] [9:56:36:918] [StorageAttributes.setAttribute:241] Current threadID=1
[main] [9:56:36:918] [StorageAttributes.setAttribute:248] Current threadID=1 ==> redoGroups[0]=1
[main] [9:56:36:918] [StorageAttributes.setAttribute:258] vRedoGroups:[1]
[main] [9:56:36:918] [StorageAttributes.setAttribute:288] setAttribute: bExists=false
[main] [9:56:36:918] [StorageAttributes.setAttribute:232] IN threadID:1 group#=3
[main] [9:56:36:918] [StorageAttributes.setAttribute:241] Current threadID=1
[main] [9:56:36:918] [StorageAttributes.setAttribute:248] Current threadID=1 ==> redoGroups[0]=1
[main] [9:56:36:918] [StorageAttributes.setAttribute:248] Current threadID=1 ==> redoGroups[1]=2
[main] [9:56:36:918] [StorageAttributes.setAttribute:258] vRedoGroups:[1, 2]
[main] [9:56:36:933] [StorageAttributes.setAttribute:288] setAttribute: bExists=false
[main] [9:56:36:933] [TemplateManager.parseCloneTemplate:1477] See for any transportable datafiles in TemplateManager.....
[main] [9:56:36:933] [TemplateManager.isInstallTemplate:2178] Selected Template by user:=General Purpose
[main] [9:56:36:933] [TemplateManager.isInstallTemplate:2185] The Message Id to be searched:=GENERAL_PURPOSE
[main] [9:56:36:933] [TemplateManager.parseCloneTemplate:1489] create new clone data file for tp file.......
[main] [9:56:36:933] [Host.setupOIDCommandlineParameters:7184] setupOIDCommandlineParameters:
[main] [9:56:36:933] [Host.setupOIDCommandlineParameters:7185] m_regWithdirService: false
[main] [9:56:36:933] [Host.setupOIDCommandlineParameters:7186] m_unregWithdirService: false
[main] [9:56:36:933] [Host.setupOIDCommandlineParameters:7187] m_updateDirService: false
[main] [9:56:36:933] [Verifier.processRawConfigFile:3523] StorageType == 0
[main] [9:56:36:933] [Verifier.setOradataDest:4349] setOradataDest:dfDest=D:\oracle\product\10.2.0\oradata
[main] [9:56:36:933] [TemplateManager.updateDatafileDestination:1957] updateDatafiles:datafileDir=D:\oracle\product\10.2.0\oradata
[main] [9:56:36:933] [TemplateManager.updateDatafileDestination:2103] From template, RedoLogGrName=1
[main] [9:56:36:965] [TemplateManager.updateDatafileDestination:2118] new file name redo01.log
[main] [9:56:36:965] [TemplateManager.updateDatafileDestination:2103] From template, RedoLogGrName=2
[main] [9:56:36:965] [TemplateManager.updateDatafileDestination:2118] new file name redo02.log
[main] [9:56:36:965] [TemplateManager.updateDatafileDestination:2103] From template, RedoLogGrName=3
[main] [9:56:36:965] [TemplateManager.updateDatafileDestination:2118] new file name redo03.log
[main] [9:56:36:965] [ProgressOnlyHost.performOperation:162] processRawConfigFile=false
[main] [9:56:36:965] [Verifier.validateTemplate:1629] StorageType == 0
[main] [9:56:36:965] [ProgressOnlyHost.performOperation:178] validateTemplate=true
[main] [9:56:36:965] [OracleHome.isRacEnabled:149] bRacOn = false
[main] [9:56:36:980] [Verifier.validateTemplate:1629] StorageType == 0
[main] [9:56:36:980] [Verifier.calculateCloneDatafilePathsAndSizes:2951] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateCloneDatafilePathsAndSizes:2951] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateCloneDatafilePathsAndSizes:2951] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateCloneDatafilePathsAndSizes:2951] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateCloneDatafilePathsAndSizes:2951] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateRedoLogGroupFileSizes:3083] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateRedoLogGroupFileSizes:3083] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.calculateRedoLogGroupFileSizes:3083] canonicalPath=D:\oracle\product\10.2.0\
[main] [9:56:36:980] [Verifier.getControlfFileSizes:3001] No. of Control files:=3
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[Thread-4] [9:56:37:355] [StepContext$ModeRunner.run:2478] ---- Progress Needed:=true
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[Thread-4] [9:56:37:464] [StepErrorHandler.setFatalErrors:322] setting Fatal Error: ORA-01034
[Thread-4] [9:56:37:464] [StepErrorHandler.setFatalErrors:322] setting Fatal Error: ORA-03114
[Thread-4] [9:56:37:464] [StepErrorHandler.setFatalErrors:322] setting Fatal Error: ORA-12560
[Thread-4] [9:56:37:464] [StepErrorHandler.setIgnorableErrors:250] setting Ignorable Error: ORA-01109
[Thread-4] [9:56:37:464] [BasicStep.configureSettings:304] messageHandler being set=null
[Thread-4] [9:56:37:464] [BasicStep.execute:202] Executing Step : INSTANCE_CREATION
[Thread-4] [9:56:37:464] [BasicStep.configureSettings:304] messageHandler being set=null
[Thread-4] [9:56:37:479] [InitParamAttributes.sortParams:3532] m_sortOn:-1 sortOn:4
[Thread-4] [9:56:37:620] [OracleHome.isRacEnabled:149] bRacOn = false
[Thread-4] [9:56:37:667] [Host.noEntryinOratab:5115] Check made for oratab arg passed............
[Thread-4] [9:56:37:667] [Oradim.getAddEntryCommand:353] AddEntry=[D:\oracle\product\10.2.0\db_1\bin\oradim.exe, -new, -sid, ORA10G, -startmode, manual, -spfile]
[Thread-4] [9:56:38:899] [Oradim.getEditEntryCommand:422] getEditEntry cmd=[D:\oracle\product\10.2.0\db_1\bin\oradim.exe, -edit, -sid, ORA10G, -startmode, auto, -srvcstart, system]
[Thread-4] [9:56:39:55] [Oradim.addSidToRegistry:871] oracleHomeKey: SOFTWARE\ORACLE\KEY_OraDb10g_home1
[Thread-4] [9:56:39:117] [BasicStep.configureSettings:304] messageHandler being set=oracle.sysman.assistants.util.UIMessageHandler@c73f0d8
[Thread-4] [9:56:39:117] [CloneRmanRestoreStep.executeImpl:217] Instance Creation went fine..........
[Thread-4] [9:56:39:117] [CloneRmanRestoreStep.executeImpl:224] db_recovery_file_dest=D:\oracle\product\10.2.0\flash_recovery_area
[Thread-4] [9:56:39:117] [CloneRmanRestoreStep.executeImpl:227] db_recovery_file_dest_size=2147483648
[Thread-4] [9:56:39:991] [SQLEngine.setSpool:1750] old Spool = null
[Thread-4] [9:56:39:991] [SQLEngine.setSpool:1751] Setting Spool = D:\oracle\product\10.2.0\db_1\cfgtoollogs\dbca\ora10g\CloneRmanRestore.log
[Thread-4] [9:56:39:991] [SQLEngine.setSpool:1752] Is spool appendable? --> true
[Thread-4] [9:56:39:991] [CloneRmanRestoreStep.executeImpl:320] starting with pfile=D:\oracle\product\10.2.0\admin\ora10g\pfile\init.ora

Check your SQLNET.AUTHENTICATION_SERVICES settings in sqlnet.ora file.
ORA-28547 : Connection to server failed, probable Net8 admin error
thanks
http://swervedba.wordpress.com/

Error when installing 9.0.1.4.0 patch set for the Oracle Database Server.

Hi to all.
Currently, i am trying to install patches for portal server.
The server OS is Sun Solaris 8.
We are using Oracle9iAS.
Now, we are installing 9.0.1.4.0 patch set for the Oracle Database Server.
We managed to install the patch, but have problem with the Post Install Action.
We managed to run
-ALTER SYSTEM ENABLE RESTRICTED SESSION;
-@rdbms/admin/catpatch.sql
-ALTER SYSTEM DISABLE RESTRICTED SESSION;
-CONNECT / AS SYSDBA
-update obj$ set status=5 where type#=29 and owner#!=0;
-commit;
But, when we come to the next command, which is to shutdown, it gives us like
this..
SQL> update obj$ set status=5 where type#=29 and owner#!=0;
1402 rows updated.
SQL> commit;
Commit complete.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORA-00604: error occurred at recursive SQL level 1
ORA-01219: database not open: queries allowed on fixed tables/views only
We tried to startup the database..it gives us this error..
SQL> startup
ORA-01081: cannot start already-running ORACLE - shut it down first
So, we tried to shutdown again..
SQL> shutdown immediate
ORA-01089: immediate shutdown in progress - no operations are permitted
I been informed that this is maybe a Database problem related. Any ideas?
Best Wishes,
Rushdan Md Saad.

Patchsets could be obtained (only) from http://metalink.oracle.com
You need to have valid CSI for access.
P.S: Sorry Werner, I didn't see you post.
Message was edited by:
Ivan Kartik

Is it possible to have different authentication mode for SQL Server Database Engine and corresponding SQL Server instance?

Hi,
I have installed the x64 SQL Server 2008 R2 Express with default settings and run MBSA 2.3 (using default settings too). It shows three SQL Server instances: MSSQL10_50.SQLEXPRESS, SQLEXPRESS and SQLEXPRESS (32-bit). For the first, authentication
mode is Windows, for the rest two - mixed. Here https://social.msdn.microsoft.com/Forums/sqlserver/en-US/03e470dc-874d-476d-849b-c805acf5b24d/sql-mbsa-question-on-folder-permission?forum=sqlsecurity question
about such multiple instances was asked and the answer is that "MSSQL10.TEST_DB
is the instance ID for the SQL Server Database Engine of the instance, TEST_DB", so in my case, it seems that MSSQL10_50.SQLEXPRESS is the instance ID for SQL Server Database Engine of the SQLEXPRESS instance.
I have two questions:
1) How can it be that SQL Server DB Engine instance has different authentication mode than corresponding SQL Server Instance?
2) Why 32-bit instance reported although I installed only 64-bit version?
Also, this https://social.technet.microsoft.com/Forums/security/en-US/6b12c019-eaf0-402c-ab40-51d31dce968f/mbsa-23-reporting-sql-32bt-instance-is-running-in-mixed-mode-when-it-is-set-to-integrated?forum=MBSA question seems to be related to this
issue, but there is no answer :(.
Upd: Tried on clean Windows 8 installation and Windows 7 with the same result.

Because I DO NOT want the three people who will be having access to the production SQL Server to also have access to the primary host ProductionA. Since I have to allow them to RDC into the box to manage the SQL Server, I figure why not create
a separate VM for each one of them and they can RDC into those instead.
Does this make any sense?
Any tips are greatly appreciated. The main reason for doing this is because the three people who will be accessing the box, I need to isolate each one of them and at the same time keep them off of the primary ProductionA.
Thanks for your help.
M
Hello M,
Since you dont want the 3 guys to have access to Production machine A.You can install SQL Server client .By client i mean SQL server management studio(SSMS) on there local desktop and then create login for them in SQL Server.Open port on which your SQL server
is running for three of the machines so that they can connct.Now with SSMS installed on each machine each can connect to SQL server from there own machine.
I would also like you to be cautious with giving Sysadmin privilege to all three of them ,first please note down what task they would do and then decide what rights to be provided.
Your option will also work but you need to create 3 VM for that .Which is more tedious task.
Hope this helps
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

Cascade or delete in database server, why if my EJB do it for me??

Hi,
I am in design phase of a database for my j2EE application. In the database desing i have some relationships entities, that have foreign keys. I have several options about foreign keys in the relationships, cascade deletes, restrict .... all in my database server.
But, when i am reading the referencial integrity of the entity EJBs CMP relationships, the entity beans make the cascade deletes automaticaly for maintain the relationsships.
Need i make my relationships in my database server with cascade delete options or leave it for my application server???
Another one, if i make relationships in my database server, why i need do it in my entity beans???
tanks, sorry for my poor english

Hi Markus,
Tanks for your answer, if this tip only for entity beans with CMP???
For example, if i have some entity beans, one with CMP and other with JDO, or for example, an entity beans that use CMP and JDO for access to few tables (i dont know that it is possible or it a good design), how can i design the relationships update/delete cascades in my database server, all entity beans persistence types support his referencial integrity ?? if this if true i think that i forget the relationships updates/deletes cascades in my database server.
At this moment, i dont know what type of persistence i will use in my application server. I dont undertand yet wath approach i must follow, i design my database and after design my entity beans over this database or i must foget my database and beging with entity beans design first .... i have a big problem, i need read a lot of more.
Something for help me???
Very, very thanks

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