How to configure server physical memory during Oracle installation

In recent years, with the continuous growth of data volume, the application of large-scale database management system Oracle in enterprises has become more and more popular. In response to Oracle's application requirements, the server hardware capacity needs to be strictly configured during the installation process. Among them, physical memory is an indispensable configuration item. This article will share how to configure server physical memory during the Oracle installation process.

1. Understand physical memory

Physical memory, also known as Physical Random Access Memory (PRAM), refers to the actual memory capacity installed in the server. Physical memory is the main memory of a computer hardware system and is used to store programs and data currently running on the computer. As the number of programs and data used increases, the capacity of physical memory also needs to be appropriately increased.

2. Physical memory configuration recommendations

Considering Oracle’s application requirements, it is recommended to give priority to high-performance memory when configuring physical memory. Generally speaking, the capacity of server memory should be greater than or equal to the minimum capacity required to run the Oracle database. Specifically, when the operating system for installing the Oracle database is Linux or Unix, the minimum memory requirement is 4GB. For Windows operating systems, the minimum memory requirement is 8GB.

At the same time, for larger-scale Oracle applications, more strict configuration of physical memory is required. Especially when running an Oracle cluster environment, appropriate configuration can be made based on the specific requirements of each node. Under normal circumstances, physical memory needs to be configured according to the following rules:

1. If it is a stand-alone installation, the physical memory should be at least 16G, and 32G or above is recommended.

2. If it is installed in an Oracle cluster environment based on virtualization technology, the physical memory of each node is recommended to be 32G or higher.

3. Physical memory configuration practice

In the actual Oracle installation process, the following steps can be used to configure physical memory:

1. First, on the server Open the Computer Properties window.

2. Then click the "Advanced System Settings" tab.

3. Click the "Advanced" tab, find the "Performance" area and click the "Settings" button.

4. Select the "Advanced" tab, find the "Virtual Memory" area and click the "Change" button.

5. In the "Virtual Memory" window, remove the option "Automatically manage virtual memory size for all drives", and then select "System Drive (C:)" in the list.

6. After selecting "System Drive (C:)", you can manually set the size of the physical memory, which can be configured according to the actual situation.

7. After completing the above operations, click the "OK" button to save the configuration changes.

In addition to configuring physical memory in the system, you must also pay attention to monitoring the resource usage of the system at all times. If the physical memory usage is found to be too high, the Oracle application process should be managed and adjusted in a timely manner.

4. Summary

In Oracle applications, physical memory is crucial to smooth operation. In order to ensure the safe and stable operation of Oracle data on the server, strict configuration and management of physical memory in a timely manner is essential. Properly configured physical memory can improve the stability, performance and reliability of Oracle applications, thereby improving the overall level of the enterprise system.

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