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1 definition found
for priority scheduling
From The Free On-line Dictionary of Computing (30 December 2018) :
Processes scheduling in which the
scheduler selects tasks to run based on their priority as
opposed to, say, a simple round-robin.
Priorities may be static or dynamic. Static priorities are
assigned at the time of creation, while dynamic priorities are
based on the processes' behaviour while in the system. For
example, the scheduler may favour I/O-intensive tasks so
that expensive requests can be issued as early as possible.
A danger of priority scheduling is starvation, in which
processes with lower priorities are not given the opportunity
to run. In order to avoid starvation, in preemptive
scheduling, the priority of a process is gradually reduced
while it is running. Eventually, the priority of the running
process will no longer be the highest, and the next process
will start running. This method is called aging.
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