![]() ![]() Red Hat-based systems $sudo sed 's/600/60/' /etc/atop/atop.daily -iĭebian-based systems $ sudo sed 's/600/60/' /etc/default/atop -iĪfter running the preceding command, atop logs all activities within 60-second internals. To change the atop tool's configuration so that activities are logged in 60-second intervals, run the following command: The atop tool logs all activity in 600-second intervals by default. Red Hat-based systems $ sudo yum install atopĭebian-based systems $ sudo apt install atop Install the atop tool by running the following commands: The atop tool is included in official repositories for most Linux distributions. Because of this continuous logging, if issues reoccur, you have historical data to analyze. This tool logs all relevant system information continuously. The atop tool reports the activity of all processes, even if those processes have finished during the specified interval. ![]() The iostat, vmstat, and mpstat commands.The following are resources you can use to analyze and monitor your Lightsail instance's resources from the command line: This also allows for a granular view of which processes are using the most CPU, memory, disk I/O, or network. Using common tools you can monitor resources such as CPU, memory, disk I/O, and network usage on Lightsail instances in real time from the command line.Īnalyzing and monitoring Lightsail instance resource usage from the command line provides real-time system insight. I do not know this influences on processes memory usage or not.There are several factors, including high resource utilization, that affect services running on Lightsail instances. PS: Changes to hugepages were not made by me. In the following you can see cat /proc/meminfo | grep Huge output AnonHugePages: 532480 kB ![]() Maybe changes to hugepages may affect this output. You can find a screenshote from my htop here.Īnother point is that PID 814 has a red value 16.0T in the VIRT column which is not clear to me(red means unit is Gbyte). Also I could not find some processes(except PID 814) to free memory. I have not any idea what is the relation between these results. Also sum of RES column is about 3G which it confirms 33% memory usage. But htop's MEM% column shows about 33% memory usage. When I run htop on a remote computer its Mem bar shows that memory is full and even swap shares 2.3G(also I can see the system works very slow). ![]()
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