What Is Proxy Server On Psp
What Is Proxy Server On Psp
Scaling and SQL Server Optimization
Those responsible for database production environments will eventually have to decide whether they will scale their hardware systems, or not. There are variables such as time frames and budgets that make this decision very difficult. It is not easy for DBAs to choose whether they would like to scale up or scale out.
Scaling up means to move databases and applications to a larger class of hardware with more powerful processors, more memory, and faster disk drives. Using higher levels of system resource could require you to scale up the production environment to be certain that end users are receiving the best experience.
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Scaling out involves using federated servers where data can be partitioned or replicated across them. For example, CRM or ERP functionalities could be partitioned on different servers and horizontal data could be partitioned across several databases.
Consider SQL Server Performance Tuning
Before scaling up or out, you must be sure that it is required. Adequate SQL Server performance tuning efforts can help you make that decision. Many performance and scalability problems can be solved by optimizing the SQL server. The decision to scale up or scale out should be set aside until SQL server databases and applications are optimized by analyzing past trends and wait time performance information.
A majority of performance bottlenecks such as inefficient locking, bad indexes, and unprepared SQL statements that cause overloaded CPUs, and disk input/output utilization can be resolved with SQL server optimization instead of scaled up hardware.
Scaling Up or Scaling Out
Once you’ve optimized applications and databases and are still seeing performance issues, you must decide whether you need to scale up or scale out. Scaling up usually comes first. It can be quite expensive to scale up, but it is surely easier and more productive than scaling out. Scaling up is essentially upgrading slower hardware with new, fast equipment and/or adding additional hardware components to the current configuration.
If scaling up still hasn't solved your performance problems, the next decision to make is to scale out and implement a federated server environment. Cutting back on the work each individual server must do will probably eliminate any performance issues that still occur.
Scaling out is also an option when budget constraints prohibit hardware scaling. If you have enough, or nearly enough, server capacity already, expenditures will be greatly reduced. You must, however, determine whether the cost savings is worth the added complexity of running a federated server environment.
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Start By Optimizing, Follow up by Scaling
It is imperative to repeat that proper optimization at the database and application levels is the least expensive and most efficient way to enhance performance. You should be able to eliminate the need for scaling up or out if you focus server performance tuning on the database and application levels. Ensure that you have looked into every optimization option prior to purchasing hardware or implementing complex scaling options.
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