Memory allocated

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1. UNIX for Beginners Questions & Answers

How to change allocated memory for a process?

Hello, I am running ubuntu 14.04 in a server with 32GB ram. Due to receiving "high load" errors during ssh connection, I took a look at what's happening from command line. I detected that 20GB of total memory was allocated to a program. Below you can see some initial part of installation...

2. Red Hat

KVM/Qemu allocated memory not showing in guest

So we have a RHEL 7.6 workstation with 128 gigs of ram. The OS sees all the ram and 80 cors (40 HT) We have 1 guest with 8 CPUs and 32gigs of ram running RHEL 7.6 workstation as well. We are trying to create another guest with 64 CPUs and 80 gigs of ram. We setup the system using...

3. Programming

find size of heap allocated

I want to find the size of the total memory allocated on the heap for the following statement: int* a = new int;How can I use the sizeof operator for this? I used: printf("\t===> %d\n",sizeof(*a)); Is this statement correct? I have asked the question because when I checked the memory of...

4. Programming

Regarding the maximum memory allocated by malloc() function on HP-UX B11.11

In a 'C' program,when I am trying to allocate memory with the help of malloc () function, it is allocating the memory up to a certain limit for e.g. in my case, it is 670 MB (approx). malloc() returns NULL if I allocate more than this amount of memory.When I tried to allocate memory in chunks of...

5. HP-UX

how to find size of memory allocated to a pointer?

Hi, Am new to HP UX , is there a way to find out the size of memory allocated to a pointer on hp ux? For example we can use the _msize() on windows to find the size of memory allocated to a pointer . #include <stdio.h> #include <malloc.h> void main() { void *buffer; ...

6. Programming

Why memory allocated through malloc should be freed ?

Actually for a process to run it needs text, stack , heap and data segments. All these find a place in the physical memory. Out of these 4 only heap does exist after the termination of the process that created it. I want to know the exact reason why this happens. Also why the other process need to...

7. AIX

amount of memory allocated to large page

We just set up a system to use large pages. I want to know if there is a command to see how much of the memory is being used for large pages. For example if we have a system with 8GB of RAm assigned and it has been set to use 4GB for large pages is there a command to show that 4GB of the *GB is...

8. Programming

Dynamically allocated structures in C

I have a pointer to a structure containing an integer pointer: struct members { int id; int *neigh; }; The number of members N and its neighbors M change as the code runs, so I allocate the memory dynamically: members *grid = malloc(sizeof(members)*N); for(i=0;i<N;i++)...

9. Shell Programming and Scripting

Help with variables for filesystems allocated

Hi all, I am interning in a unix department and am very new to programming. I am supposed to write a script that counts the amount of filesystems a server has allocated, and the amount free. This is what I was given to start with: #!/bin/ksh df -m | grep -v ":"|grep -v Free|grep -v "/proc"|...

10. Solaris

Can be changeed the allocated space

i am working with solaris 9 and my disk usages are # df -k Filesystem kbytes used avail capacity Mounted on /dev/dsk/c0t0d0s0 2148263 1902721 202577 91% / /proc 0 0 0 0% /proc mnttab 0 0 0 ...

Solaris