02-18-2013
Under VM, not dirty pages stay mapped in case anyone wants to read them through a mmap(). If you need a page, they can be taken, but they are not free. You can run a job that mmap()'s a file, read the whole file into ram, exit, run it again, and when it mmap()s the file again, the old pages are mapped into the new process memory range and it runs much faster. This is what happens with libc.so: everyone runs printf() from the same ram page.
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1. Linux
New to the forum.
I am running CentOS release 5.3 (Final) and have run into a unique situation.
I have been able to determine that we have a swap memory leak due to an issue with an asterisk server. This specific issue takes approximately 2-3 months for enough of the swap to to be used before... (1 Reply)
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2. Red Hat
hi
i've notice a huge problem on my newly installed centOS server and i have no idea how to solve it and where to start..
memory on server 3 GB and it goes down, down, down..
after reboot it shows 71mb used
after a hour its 76mb
and after 24h it's around 200
later = more
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3. Red Hat
HI All,
I am trying to setup DNS on my centOS server.
I am using bind software to setup DNS.
The following errors have getting.
==================================================
Error in named configuration:
zone localdomain/IN: loaded serial 42
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4. Red Hat
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5. UNIX for Advanced & Expert Users
Hi,
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6. Filesystems, Disks and Memory
Hi,
i have just installed 4 gb RAM ddr3 on OS Windows 7 32 bit.
In "manage peripherals" i see this section:
Memory installed (ram) : 4,00 gb (2,30gb usable)
Why only 2,30 gb usable ?
In Windows 7 32bit the maximum size is not 3,00gb ?
see file attached, please (4 Replies)
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7. UNIX for Advanced & Expert Users
Hi,
Which tools or method is popular, simple and effective, to check memory such as bad sector, throughput and performance?
Thank you.
- j (5 Replies)
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8. AIX
Hi,
Can anyone explain this please.....
A simple test program...
### snip
#include <stdio.h>
main() {
static int n;
n = 6;
printf("hello %d\n", n);
n=7;
}
### snip
64 bit compile/link.... (2 Replies)
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