Why is the server so slow? CPU, RAM, and disk I/O resources are exhausted, and ram is used up
Machine running is slow because it consumes too many system-specific resources. The main resources of the system include CPU, RAM, disk I/O, and network.
Note: This content is excerpted from the "DevOps Troubleshooting: Best Practices for Linux server Operations" book
The average system load is probably the first basic metric to use when solving problems that cause the
Source: Nokia Forum
A mobile phone is a device with limited resources. However, it has a lot of available functions, which puts forward high requirements on existing system resources. Developers need to pay attention to these
Memory UsageOn Linux, there is commands for almost everything, because the GUI might is always available. When working on servers only the shell access is available and everything have to be do from these commands. So today we shall is checking the
This article introduces in detail the concept of boot loader, which is based on the OS boot loader in the embedded system,
The main tasks of software design and the structure framework.
Running GNU/Linux systems on dedicated
IAR usage notes (1)
At a.m. on October 10, August 8, the topic of the online discussion on China power grid was "the development and debugging of NXP Semiconductors Based on the lpc2000 microcontroller ". I tried to use IAR in the lab at night, but
Ubuntu uses top/free to check the memory usage. When I use free/top to check the memory usage, I was shocked. The machine has 4 GB of memory, it shows that the free idle memory is only over 300 mb. After checking the process, no applications that
Memory ManagementIf you encounter the most important problem in writing a Windows CE program, it must be a memory problem. A wince system may only have 4 mb ram, which is very small compared to a PC, because the standard configuration of the PC has
How to monitor server memory usage with Nagios Remote Plugin Executor (NRPE)Last updated in September 8, authored by sarmed Rahman 5 Comments In a previous tutorial, we had seen how we can set up Nagios Remote Plugin Executor (NRPE) in an existing
Introduction in Linux, there is a special feature-initializing the memory disk initrd (initial RAM disk) technology, and the kernel supports compressed file system images. With these two features, we can enable Linux to initialize memory disks from
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