A server farm or server cluster is a collection of
computer servers usually maintained by an
enterprise to accomplish server needs far beyond the capability of one machine. Often, server farms will have both a primary and a backup server allocated to a single task, so that in the event of the failure of the primary server, a backup server will take over the primary server's function.
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<
computer,
parallel> A
parallel processor where tasks are distributed, or "farmed out", by one "farmer" processor to several "worker" processors, and results are sent back to the farmer. This arrangement is suitable for
applications which can be partitioned into many separate, independent tasks, the canonical examples being
ray tracing and the
Mandelbrot set. In order to be efficient, the extra time spent on communications must be small compared to the time spent processing each task.
(2001-05-28)
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