Multiple instance of SQL Server on a single physical server

          

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Multiple instance of SQL Server on a single physical server

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SQL Server - multiple instance of SQL Server on a single physical server - Feb 27, 2010 at 11:50 AM by Shuchi Gauri

What are the pros and cons of running more than one instance of SQL Server on a single physical server?

Pros:

  • Have multiple instances, one each for development and testing.
  • Can host multiple instances of SQL Server as strong hardware resource is available for sake of simplicity

Cons:

  • Each instance will fight over resources impacting performance of all instances.
  • Confusion among users, which instance to use.

SQL Server - multiple instance of SQL Server on a single physical server - May 05, 2009 at 22:00 PM by Rajmeet Ghai

What are the pros and cons of running more than one instance of SQL Server on a single physical server?

Pros:
Having multiple instances allows SQL server to have multiple instances that can be helpful in development and testing environment. Commonly used for Web hosting companies with different admins.

Cons:
Struggle or clashes over hardware resources.
Performance of all instances will hamper.

SQL Server - multiple instance of SQL Server on a single physical server - June 21, 2009 at 09:00 AM by Amit Satpute

PROS:

It is easier to manage the instances during development and testing and for the administration purpose when the hardware is efficient enough to handle multiple instances.

CONS:

Running multiple instances can cause performance issues as those instances you compete for the resources like the CPU, memory, etc.


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