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MapReduce, mail # user - question about fair scheduler


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question about fair scheduler
ch huang 2013-08-23, 01:36
hi,i have a question about fair scheduler
doc says "When there is a single app running, that app uses the entire
cluster. When other apps are submitted, resources that free up are assigned
to the new apps, so that each app gets roughly the same amount of
resources",
suppose i have only a big app running ,so it get 100 resource ,as it
running ,it release 20 resource ,that time 2 short app come to run,so each
get
10 resource ,what i think is  "fair is for current available resources ,not
the whole resources" ,is it right?