Whether it is used for website hosting, application deployment, or game acceleration, the stability of the server directly affects the user experience. When using Hong Kong cloud servers, performance monitoring is crucial. How to effectively monitor the performance of Hong Kong cloud servers? What key indicators are worth paying attention to? What tools can help us? Today, we will analyze this topic in detail.
Have you encountered these server performance problems: the server freezes or crashes from time to time? The website opens slowly or even times out? The CPU/memory usage rate soars but the reason is unknown? Is the sudden surge in bandwidth traffic a DDoS attack? The root cause of these problems is often related to inadequate server performance monitoring. Only by establishing a complete monitoring system can we quickly discover and solve problems and ensure the stable operation of the server.
When monitoring Hong Kong cloud servers, the following five core indicators need to be focused on:
CPU usage mainly monitors CPU load, usage, and number of cores. The normal range is generally not more than 80%. If it is fully loaded for a long time, the server may need to be optimized or upgraded.
Memory usage mainly monitors available memory, cache, and swap partitions. Try to keep more than 20% of available memory in the normal range. If swap is used frequently, it means that the physical memory may be insufficient.
Disk I/O read/write speed mainly monitors disk usage, read/write speed, and I/O latency. If the I/O load is too high, it may affect the response speed of the website or database.
Network traffic and bandwidth monitoring mainly monitor upload/download traffic, packet loss rate, and network latency. If the bandwidth usage increases abnormally, it may be a DDoS attack or malicious crawler.
Process & application load mainly monitors high-occupancy processes, zombie processes, and abnormal processes. Some applications (such as PHP, Nginx, and MySQL) may have memory leaks or process out of control.
Several recommended server monitoring tools:
Pagoda Panel is suitable for beginners. It provides real-time charts of CPU, memory, disk, and bandwidth, visually monitors servers, and supports one-click optimization and alarm reminders.
Professional-level monitoring tool Prometheus is responsible for collecting server data, and Grafana is responsible for visual data display. Email, SMS, and DingTalk alarms can be set to detect abnormalities in time.
All-round monitoring Zabbix monitors all indicators such as CPU, memory, disk, traffic, process, etc. It supports distributed monitoring and is suitable for unified management of multiple cloud servers. It comes with email/SMS alarms, which can warn of performance anomalies in advance.
After having monitoring data, how to warn of server failures in advance? First, you need to set the monitoring alarm threshold, send an alarm when the CPU usage exceeds 80%, send an alarm when the remaining disk space is less than 10GB, and send an alarm when the bandwidth traffic surges abnormally and may be attacked. In addition, it is also necessary to automatically execute optimization strategies, automatically restart certain processes when the server is under high load, automatically clean up logs and caches when the disk space is insufficient, and automatically switch IPs when encountering DDoS attacks. These can be achieved through Shell scripts and monitoring tool APIs, making server operation and maintenance more intelligent.
The efficient and stable operation of Hong Kong cloud servers is inseparable from good performance monitoring. Regularly check monitoring data and optimize server configuration to ensure long-term stable operation of the business!
