To check the PSS memory on a Linux process, we have to access the/proc/{$PID}/smapsof the process we want to check. For this, we need the PID of the process we want to check. For example, if we want to check on therabbitmq-serverprocess: ...
Each process a pointer (mm_struct→pgd) to its own Page Global Directory (PGD) which is a physical page frame. This frame contains an array of type pgd_t which is an architecture specific type defined in <asm/page.h>. The page tables are loaded differently depending on the architecture....
While it is managed by the kernel, in general there's no single process 'owning' the cache, as it is a result of the whole system workload but in your case as your are using oracle that might be owning the cache. Caches are considered as 'system memory' and they are reported as "...
http://opentips.blogspot.com/2008/01/linux-process-memory-usage.html The following shell script is used to monitor the memory usage of a process. Save the following script in a file (for ex, memusage.sh) and run it with the process name you want to monitor. for ex, ./memusage.sh ...
In this tutorial, we’ll learn to implement a few tips and tricks using some well-known Linux commands, to help us recognize the peak memory usage of a process. 2. Traditional Commands to Monitor Memory For the most part, commands liketop/htop/atopgive us the processes overview. In specif...
It's worth noting that, in one way, this problem is actually getting worse. Contemporary processors are not limited to 4K pages; they can work with much larger pages ("huge pages") in portions of a process's address space. There can be real performance advantages to using huge pages, ...
So, they basically come from the operating system, in this case Alpine Linux on Docker. Fortunately, I also recorded the memory usage of the application process, but they did not increase. So why does the operating system memory usage increase?
Memory leaks in Linux processes can be a frustrating and challenging issue for system administrators and developers. When a process fails to release memory that it no longer needs, it can cause memory usage to grow over time and eventually lead to out-of-memory errors, system slowdowns, and ...
Red Hat Enterprise Linux 8 Azul Zulu Prime System Tools:zing-zst Azul Zulu Prime System Zing memory module: [zing_mm] Issue Unaccountable high memory usage when nothing is running on the server. The total used memory without Buffer, Cache, and Slab is 60 GiB, but checking the process memor...
Shared memory is something designed for inter-process communication. It can only be created by explicitly requesting it using the rightmmap()call or a dedicated call (shm*). When a process writes in a shared memory, the modification is seen by all the processes that map the same memory. ...