Hi there everyone,
I saw this on Slashdot and thought I'd send a note to PLUG about it. Mosix
1.0 has been released. I grabbed this introduction from their website
<http://www.mosix.cs.huji.ac.il/>. It looks pretty interesting. If only I
had a cluster to play with. I hope this'll be helpful to those of you with
enough computers for at least a mini-cluster. :)
--> Jijo
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MOSIX is a software package that enhance the Linux kernel with cluster
computing capabilities. The enhanced kernel allows any size cluster of
X86/Pentium/AMD based workstations and servers to work cooperatively as if
part of a single system.
To run in a MOSIX cluster, there is no need to modify applications or to
link with any library, or even to assign processes to different nodes.
MOSIX does it automatically, like an execution in an SMP - just "fork and
forget". For example, you can create many processes in your (login) node
and let MOSIX assign these processes to other nodes. If you type "ps",
then you will see all your processes, as if they run in your node.
The core of MOSIX are adaptive resource management algorithms that monitor
and respond (on-line) to uneven work distribution among the nodes in order
to improve the overall performance of all the processes. These algorithms
use preemptive process migration to assign and reassign the processes
among the nodes, to continuously take advantage of the best available
resources. The MOSIX algorithms are geared for maximal performance,
overhead-free scalability and ease-of-use.
Because MOSIX is implemented in the Linux kernel, its operations are
completely transparent to the applications. It can be used to define
different cluster types, even a cluster with different machine or LAN
speeds, like our 72 processors cluster.
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