"Why is my server down?" could be a common question that comes up among system administrators and infrastructure managers very often. Inefficient server monitoring and management often make it difficult to investigate the unpredictable and complicated information running through data centers and see the explanation for an outage. That's when an efficient server monitoring tool comes in handy. However, the important challenge lies in selecting appropriate server management software and monitoring the proper performance indicators.
So what does it really mean to pick out the proper monitoring tool with the proper performance indicators? Well first, it is important to know your requirements before getting started. counting on the appliance running on your servers, your monitoring needs may vary. However, irrespective of what the applying is, there are a collection of performance metrics that ought to be monitored 24x7.
Server Availability and Uptime
Server uptime reflects the reliability and availability of your servers, stressing on the need to have your servers always up and running. It is not required to spend every minute checking on your uptime report, but it is essential to know when your server is down. For production servers, uptime of less than 99% calls for attention, and less than 95% calls for trouble.
System-level Performance Metrics
Metrics like CPU, memory, disk usage, and network activity are usually all are immediate suspects once you identify a server performance degradation issue in your data center. Checking on these metrics help detect servers with insufficient RAM, limited drive space, high CPU utilization, or any bandwidth bottlenecks. this might make it lots easier to troubleshoot and act fast before you run into problems along with your servers.
Application-level Performance Metrics
The application running on your servers consists of multiple services and understanding the intra-service dependencies, connection patterns may be difficult. Monitoring each and each service and process running on the server can tell which service/process is impacting server performance, analyze the server load, and manage system resources.
Security-level Performance Metrics
With such a lot of background tasks running in your servers, it are often quite difficult to grasp what's being written or modified to or from your files. A monitoring eye to notify of such changes would be a true time-saver to stay you responsive to unauthorized access that would lead to the loss of sensitive data or any improper changes done which will cause data breach and compliance failure. Knowing when files are modified, content changes are made, or perhaps if specific resources are accessed can help act as an intrusion detection system and secure your infrastructure. Another important metric to stay a watch on to avoid security issues are the logs generated by servers, applications, and security devices. Monitoring these logs can help system administrators scan and hunt for errors, problems, specific text patterns, and rules indicating important events within the log files.
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