10 More Discussions You Might Find Interesting
1. Programming
#include<stdio.h>
#include<stdlib.h>
#include<sys/time.h>
#include<time.h>
#include "rdtsc.h"
#define SIZE 4*64*1024
int main()
{
unsigned long long a,b;
int arr={0};
int i;
register int r;
a=rdtsc();
r=arr;
b=rdtsc();
printf("1st element Access Cycles = %llu\n",b-a); (2 Replies)
Discussion started by: Vaibhavs1985
2 Replies
2. UNIX for Dummies Questions & Answers
i wish to clear memory cache on a production box and i was wondering what is the worst that can happen if i do?
i already tested this on a backup server and everything seemed fine.
but i need to know from you experts what are the worst things that can happen when i run it on a real server:
... (5 Replies)
Discussion started by: SkySmart
5 Replies
3. Solaris
hi all,
i have noticed that my server has 64 GB RAM and i have application in this server but the server has free memory only 15% and utilized 85% however it didn't eat from swap .
does any parameter can be configured in kernel to make the system clear memory from cache like linux
i found... (4 Replies)
Discussion started by: maxim42
4 Replies
4. Programming
The environment is Java/Windows. The program keeps near real-time state in memory cache, which is updated by multiple sources, size of the cache is roughly 500 MB, frequency of updates is ~ 20 per second. I am looking into different ways to keep current snapshot of the memory on the disk for a)... (9 Replies)
Discussion started by: migurus
9 Replies
5. Red Hat
Right now i am using Red Hat Enterprise Linux AS release 4 and cache memory occupying around 1.5GB mentioned below,
total used free shared buffers cached
Mem: 2026 2021 5 0 161 1477
-/+ buffers/cache: 382 1644 ... (4 Replies)
Discussion started by: thakshina
4 Replies
6. UNIX for Advanced & Expert Users
18:45:47 # free -m
total used free shared buffers cached
Mem: 96679 95909 770 0 1530 19550
-/+ buffers/cache: 74828 21851
Swap: 12287 652 11635
Hi all. The below output is from a RHEL 4.5... (0 Replies)
Discussion started by: drummerrob
0 Replies
7. UNIX for Dummies Questions & Answers
Hi,
I'm running a debian lenny 1GB ram, but with a high I/O. This server has 400IOPS and 3MB/s sustain. So, I noted cached memory use 800MB, buffered memory use 50MB, and no free memory is available. Questions:
What does mean such a high cached memory?
Who's using this cached memory?
Is... (3 Replies)
Discussion started by: iga3725
3 Replies
8. Solaris
I'm looking to get the file cache portion of physical (real) memory on a Solaris workstation (Similar to the Cache: line in /proc/meminfo on some Linux systems):
# swap -s; swap -l; vmstat 2 2; echo "::memstat" | mdb -k
total: 309376k bytes allocated + 41428k reserved = 350804k used,... (5 Replies)
Discussion started by: Devyn
5 Replies
9. Shell Programming and Scripting
I guess what I mean is: is there something like unalias to clear functions defined by sourcing a script or config/alias file from memory?
Is it necessary to start a new terminal session, or can it be done with a command? I tried "function somefunc {}" but bash told me it hit an "unexpected... (0 Replies)
Discussion started by: SilversleevesX
0 Replies
10. UNIX for Advanced & Expert Users
Hi, I have various applications on my unix server and one of them relies on a process that needs to start in order to print however the process is not starting at all. I think the problem lies in the shared memory. Does anyone have the commands to flush the shared memory and can anyone tell me if... (2 Replies)
Discussion started by: cipfaadmin
2 Replies