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Letting others to use my SQL Server and DBs

Posted on 2013-11-26
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Last Modified: 2014-11-12
Hello experts,

I need some guidance and ideas about how to efficiently open my SQL Server data to be used by other people/teams. I have heavy read/write on my SQL Server as a part of the operational routine but that data is also required to be read (and used for reporting) frequently by others.

Any suggestions how I can address that?

I am thinking of in the lines of limiting transactions per one user, limiting concurrent connections for that login or at all possible, reject query requests based on real time statistics of my server (like high I/O, high CPU/RAM Usage, etc) Any of those ideas possible?

What is the best practice?

Thanks in advance
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Question by:bozer
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Expert Comment

by:Nico Bontenbal
ID: 39679972
How about setting up a second SQL Server and replicate your data to that server. Then you can do the reading/reporting on that replicated server. That way heavy queries can never interfere with your read/write operations. Only extra load on your server will be for the replication but that load will be predictable, unlike the reporting load.
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Author Comment

by:bozer
ID: 39679978
Hi Nicobo, thank you for your suggestion. Unfortunately, that is exactly what we are trying to avoid because of the second software/hardware cost and also not-so-up-to-date data.

I want to limit the 3rd party teams' impact on my server as much as possible. And still be able to provide the most updated data without jeopardizing the health of my server operations.
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Expert Comment

by:QuinnDex
ID: 39680015
you can replicate to the same instance new database, which cancels the cost, it wont reduce the load on the server but will reduce the load on the database ie table locks etc.

you haven't mentioned what your server setup is but if you put the replicated database on a different physical hard drive you will cut down i/o problems considerably
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Expert Comment

by:QuinnDex
ID: 39680022
sorry forgot to cover the up to date data point you raised

you can do transactional replication which is real time so data is up to date

here is a step by step guide on how to do that

http://www.databasejournal.com/features/mssql/article.php/1438201/Setting-Up-Transactional-Replication-A-Step-by-step-Guide.htm
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Expert Comment

by:tigin44
ID: 39680059
In your case replicating data to a secondary database and directing users to that database will be the preferred solution as suggested above post.  If you don't want to use a replicated database then you may use the policy based management. Here is a detailed explanation of policy based management

http://blog.sqlauthority.com/2009/06/30/sql-server-2008-policy-based-management-create-evaluate-and-fix-policies/
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Accepted Solution

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Nico Bontenbal earned 500 total points
ID: 39680069
I've never used it but it looks like the Resource Governor could also help solve your problem:
http://technet.microsoft.com/en-us/library/bb933866(v=sql.105).aspx
But it's only available in the Enterprise edition.

When you use QuinnDex's suggestion you can also limit the Memory and Processor resources for the second (reporting) instance in the Server Properties.

Depending on your reporting needs SQL Express might be sufficient for the replicated server, that way the software costs are minimal. You could also try to set up the replicated database in the cloud (Azure, AWS) and only pay what you use.
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Expert Comment

by:ScottPletcher
ID: 39681467
If you license SQL by CPU, I suggest adding another SQL instance to your current server.  You could then replicate data to the other instance while limiting its CPU and memory use.

This also insures that the other instance's activity has no direct affect on your main instance.

If you need to, add RAM to the existing server.
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Author Comment

by:bozer
ID: 39682550
Thank you for all your suggestions. The replication, additional instance ideas are good ones but I do not want to take that approach since all I am trying to do is to provide a safe path to a third party team into my server - not to increase scope of my part.

I checked the Policy Based Management, it does not help in my case I believe. But The Resource Governor may be what I am looking for.

I will keep you updated soon.
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Author Closing Comment

by:bozer
ID: 39682566
After a little bit of research, I realized SQL 2008 new 'Resource Governor' is exactly what I am looking for.

Thank you for all suggestions.
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