Which process is using swap space Linux?
Linux Find Out What Process Are Using Swap Space
- /proc/meminfo – This file reports statistics about memory usage on the system.
- /proc/${PID}/smaps , /proc/${PID}/status , and /proc/${PID}/stat : Use these files to find information about memory, pages and swap used by each process using its PID.
What is using swap memory Linux?
It prevents RAM from running out of space. It acts as a backup for enhancing the actual space of RAM. It allows you to run heavy applications more conveniently that require a large amount of RAM. During the process of hibernation, all the contents of RAM are written on the swap memory.
What is swap utilization?
Swap usage refers to the percentage of virtual memory that is currently being used to temporarily store inactive pages from the main physical memory. It is crucial to monitor swap usage, because swap space is your “safety net” for when you run out of RAM.
How to check the swap usage of a process?
You may get a few entries for swap usage and you will need to sum them all up to get the swap usage for that process. A small shell script is probably needed to do that. There is an easier way – to look at the status file instead. If you are interested into finding out all the processes that are using space space, use the for loop command.
How to check swap space usage in Linux?
Type the following bash for loop command to see swap space usage per process: Type the following command to sort out output:
How to check swap usage in Ubuntu squid?
If you notice, for the crypto process, the swap usage is not there, that means the VmSwap field was not found for that process. You can also see that the squid process is using 100 kB or swap space. If you would prefer a standard utility to check on swap usage, install smem. On Debian or Ubuntu, install it using apt-get.
How to sort process by swap page usage?
To sort process as per swap page usage (SWAP = VIRT – RES) type capital O (option) followed by p (small p) and [Enter] key: Fig.02 top command – sored process by swap usage (click to enlarge)