03-31-2011
Memory consumption issue in AIX box
Hi,
monitor memory usage on AIX machine on any day of the week from 3:00 PM ET to 5:00 PM ET -
Povide min and max memory consumption.
Determine if all of the available memory is visible to the operating system. If it is not, determine the amount of memory which may be allocated to the machine.
Determine how much memory is being consumed by the oracle userid
Determine how much memory is being used by the operating system and non-oracle processes
Could anyone please assist in finding this answers.....I did vmsat and used other flags but I am not able to get the right / correct answers I should say.
Thanks !
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VIOMB(4) BSD Kernel Interfaces Manual VIOMB(4)
NAME
viomb -- VirtIO memory ballooning driver
SYNOPSIS
virtio* at pci? dev ? function ?
viomb* at virtio?
DESCRIPTION
virtio(4) defines an interface for efficient, standard, and extensible I/O between the hypervisor and the virtual machine. The viomb driver
supports the virtio-compliant memory ballooning device.
Memory ballooning works as follows:
1. The host operator requests a guest to return some amount of memory to the host (via e.g. Qemu monitor balloon command).
2. The hypervisor sends the request via VirtIO memory ballooning device.
3. The guest viomb driver requests allocation of that amount of physical memory from the NetBSD memory management system.
4. The viomb device tells the hypervisor the guest physical memory address of the allocated memory via VirtIO memory ballooning device.
The sysctl node hw.viomb.npages shows the requested number of memory pages to return to the hypervisor, while hw.viomb.actual shows the
actual number of memory pages that are already returned to the hypervisor.
SEE ALSO
virtio(4), sysctl(8)
Rusty Russell, IBM Corporation, Virtio PCI Card Specification, http://ozlabs.org/~rusty/virtio-spec/.
HISTORY
The viomb device driver appeared in NetBSD 6.0.
BUGS
The userland interface should be same as the Xen ballooning device.
BSD
November 26, 2011 BSD