Mathematics, 28.03.2020 00:55 keem8224
Suppose in a distributed system R = {r1, r2, · · · , rk} processes are distributed over a linear array of N processors. The data is stored on a disk at the N + 1st processor. For every process there is cost Cp(j) of running process p on j. And a communication cost Dp(j) of getting data for the process p. Suppose the processes are to be scheduled with the restriction that if ri , rj , j ≥ i is assigned to processor qk and ql , respectively, then l ≥ k. Design and analyze an algorithm to minimize the total cost.
Answers: 1
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Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?
Answers: 2
Suppose in a distributed system R = {r1, r2, · · · , rk} processes are distributed over a linear arr...
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