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Oracle databases: maintaining functionality

Wednesday, November 2, 2016 2:16
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(Before It's News)

Oracle with an Oracle Database Developer is not a one person job, as the database interfaces with countless components and attributes. Data architects, database administrators (DBAs), storage managers, and a host of other company personnel must work together to be able to properly configure storage for oracle and properly tune the storage for optimal operation. Below are a few suggestions in order to simplify performance tuning and system configuration on your storage system.

Configuring the Big Four

There are four important hardware components to consider when assembling or fine tuning an oracle hardware infrastructure. Architects must ensure a balanced layout, as the entire system is as strong as the weakest link.


• Memory

• Data Storage

• Network

There are limits to that advancement based on which variable may be creating a performance restraint.  Although frequently, an improvement in one or many of the above components may produce an improvement in performance.
Carefully identifying the issue element with Oracle DBA will allow it to be easier and more cost effective to ease any functionality constraints that may be occurring.  Any functionality increases that result from adding hardware should be considered short term relief, as increased application use is likely to cause the same problems in the near future.

Symptoms and Problems

• Slow Physical I/O – This results when discs have been configured. Few resources are allocated to support the database.

• Excessive CPU Utilization – This can happen when a system hasn’t been sized adequately as a result of inability of the CPU to scale and fulfill requirement.
This can occur when appropriate redundancy has not been assembled into the system to be able to account for failures

Often, the symptoms are sign of an inherent problem in the hardware, poorly configured solutions, or unturned SQL statements.

Storage settings should be assembled based on I/O bandwidth and not only on their entire storage capacity with a Safety Officer. The capacity of each disk drive is growing considerably quicker than their I/O throughput rates, creating a scenario where a large data volume can be held by a small number of disks. Nonetheless, these discs cannot manage the throughput of discs that are smaller. For example, spreading information over multiple 146GB or 73GB drives will result in better performance than a single 600GB disc.
Use Redundancy

Disk is a condition to protect against hardware failure. A key consideration is that often a balance must be reached between redundancy and performance. RAID 5 may be less costly than RAID 10; however it may not perform too. If cost constraints are an issue, a [Reliant storage consultant] can enable you to still meet your functionality amounts that are needed and reduce the price of the solution.

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