How do I find the top memory consuming process in Linux?

The Linux ‘top’ command is the best and widely used command that everyone uses to monitor Linux system performance. It displays a real-time view of the system processes running on the interactive interface. You should run the top command in batch mode to find out top memory consuming processes in Linux.

How much memory is my process using Linux?

Checking Memory Usage Using ps Command:

1. You can use the ps command to check memory usage of all the processes on Linux.
2. You can check memory of a process or a set of processes in human readable format (in KB or kilobytes) with pmap command.
3. Let’s say, you want to check how much memory the process with PID 917 is using.

Which process consumes more memory Linux?

6 Answers. Using top : when you open top , pressing m will sort processes based on memory usage. But this will not solve your problem, in Linux everything is either file or process. So the files you opened will eating the memory too.

How do I fix high memory utilization in Linux?

How to troubleshoot Linux server memory issues

1. Process stopped unexpectedly.
2. Current resource usage.
3. Check if your process is at risk.
4. Disable over commit.
5. Add more memory to your server.

How to find out top processes by memory usage in Linux?

It is quite a common situation when your server is out of memory and you want to check what processes are using all the RAM and swap. In this small note you’ll find two similar commands that can find out and sort top processes by memory usage on your Linux system.

Why is there so much unused memory in Linux?

Unused RAM is wasted RAM. Linux uses any spare RAM for things like file buffer space, to keep your computer running at optimum performance. It’s easy to get the impression that your system’s RAM has been consumed by some runaway process or memory leak, but that’s rarely the case.

How to sort by memory usage in Linux?

In the example above (truncated for this post), sort is being used with the -r (reverse), the -n (numeric) and the -k (key) options which are telling the command to sort the output in reverse numeric order based on the fourth column (memory usage) in the output from ps.

How is memory allocated in a Linux system?

RAM is a finite resource that all processes, like applications and daemons, want a piece of. There’s only so much of it available. The kernel referees the memory squabbles and allocates the rationed memory out to all the hungry processes. It’s kind of like a mother bird with more open beaks pointed at her than she has the grub for.