10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
i want to avoid writing to a file on the disk. i'd like to do this in memory.
i have a situation where i'm running cat file.txt | head -l 2024 > /tmp/data.txt
now, i check the size of the data.txt by doing a "du -sh /tmp/data.txt
how can i get the size of "head -l 2024" WITHOUT having to... (2 Replies)
Discussion started by: SkySmart
2 Replies
2. Programming
I have written this code in C which reads a very large collection of text files and does some processing. The problem with this code is that there are memory leaks which I am not able to figure out as to where the problem is. When I run this code, and see the memory usage using top command, then I... (7 Replies)
Discussion started by: shoaibjameel123
7 Replies
3. Programming
i have to shared a variable between two different c programs with shared memory and i do these:
int main() {
int a=5,b=7;
int buffer;
int *point;
int shmid;
shmid=shmget(IPC_PRIVATE , sizeof(buffer),0666);
point=(int *)shmat(shmid,NULL,0);
point=a;
... (21 Replies)
Discussion started by: tafazzi87
21 Replies
4. AIX
Greetings -
I'm porting a C application to an AIX (6.1) system, and have bumped into the limits AIX imposes on memory allocation, namely the default limit of 256MB for a process. I'm aware of the compilation flag that allows an application to gain access to up to 8 memory segments (each 256MB,... (4 Replies)
Discussion started by: traviswheeler
4 Replies
5. Solaris
Is there a command or file I can look at that tells me how much real memory a machine has? A little background. In my shop we run a bunch of java programs, sometimes some of these jobs have config definitions that call for 2G. I would like to know how many I can run before I exhaust rescources. Any... (12 Replies)
Discussion started by: Harleyrci
12 Replies
6. UNIX for Advanced & Expert Users
I was running a program and it stopped and showed "Out of Memory!". at that time, the RAM used by this process is around 4G and the free memory size of the machine is around 30G. Does anybody know what maybe the reason? this program is written with Perl. the OS of the machine is Solaris U8. And I... (1 Reply)
Discussion started by: lilili07
1 Replies
7. Solaris
hey everybody,
i am currently working on solaris 10 os on a m5000 server. my problem is when i want the exact size of a program in execution, i am unable to do it. earlier i thought the RSS field of prstat but because of its large size it cant be the size. pmap -x shows some output but it includes... (2 Replies)
Discussion started by: aryansheikh
2 Replies
8. Programming
I have a Java program. I want to measure the total memory used by the program, especially the peak memory. Is there a way to do it?
I have tried utilities like time (which returns 0) and top (which is not very useful) as the program does not run for long.
Can anyone suggest a way to do this?... (5 Replies)
Discussion started by: spathical
5 Replies
9. UNIX for Advanced & Expert Users
Hi,
how to know size of physical memory under AIX ?
Many thanks.
PS :
man -k memory
man : 0703-310 Fichier man introuvable.
uname -a
AIX server1 1 5 005202DF4C00 (3 Replies)
Discussion started by: big123456
3 Replies
10. UNIX for Advanced & Expert Users
I need some advise.
I have an application server running several applications. When I try and start a particular application when the others are running I receive the following. This is appearing in the core file that is created.
... (1 Reply)
Discussion started by: dbrundrett
1 Replies