网络存储系统NSS基准性能测试(7.10)

传送门 ☞ Android兵器谱 ☞ 转载请注明 ☞ http://blog.csdn.net/leverage_1229

一、实验参数列表

二、MATLAB脚本（balanced job bounds.m）

clear;
 
% input
N = input('Simultaneous browser connections N = ');  
Z = input('Think time Z = ');                          
Tmpro = input('Tmpro = ');
Sm = input('Sm = ');
STUm = input('STUm = ');
Pm = input('Pm = ');
Tmp = input('Tmp = ');
IPnum = input('IPnum = ');
STPm = input('STPm = ');
Tsnpro = input('Tsnpro = ');
Ssn = input('Ssn = ');
Tsnp = input('Tsnp = ');
IPsnnum = input('IPsnnum = ');
Frames = input('Frames = ');
TRate = input('TRate = ');
Smr5 = input('Smr5 = ');
Psn = input('Psn = ');
seek = input('seek = ');
latency = input('latency = ');
 
% response time of BJB
D(1) = Tmpro*Sm/STUm+(1-Pm)*Tmp*IPnum;
D(2) = (1-Pm)/STPm*(Tsnpro*Ssn/STUm+Tsnp*IPsnnum);
D(3) = (1-Pm)*IPnum*Frames/TRate;
D(4) = (1-Pm)/STPm*IPsnnum*Frames/TRate;
D(5) = (1-Pm)*Smr5/TRate;
D(6) = (1-Pm)/STPm*(1-Psn)*(seek+latency+STUm/TRate)*Ssn/STUm;
Dmax = max(D(1:6));                             % maximum service demand per code              
Dsum = D(1)+D(2)+D(3)+D(4)+D(5)+D(6);           % sum of total service demands
Davg = Dsum/6;                                  % average service demand per queue
for n = 1:N
    Rmin(n) = max(n * Dmax - Z, Dsum + ((n-1)*Davg*Dsum/(Dsum+Z))); % lower bound of response time 
    Rmax(n) = Dsum + ((n-1)*Dmax*(n-1)*Dsum/(((n-1)*Dsum)+Z));      % upper bound of response time    
end
 
% response time of MVA
for m = 1:6
    L(m) = 0;                    
end    
for n = 1:N
    R(1) = D(1);
    for m = 1:6
        R(m) = D(m) * (1 + L(m));
    end
    Tau = n / sum(R(:));
    for m = 1:6
        L(m) = Tau * R(m);          
    end
    
    Rn(n,1) = D(1);
    for m = 1:6
        Ln(n,m) = L(m);
        Rn(n,m) = R(m);
    end
    Taun(n) = Tau;
end
    
for n = 1:N    
    RTn(n) = sum(Rn(n,1:6));      % average response time    
end
 
t = 1:N;
 
% response time 
figure(1), plot(t, Rmin, 'g', t, RTn, 'r', t, Rmax, 'b'),
xlabel('Simultaneous browser connections'),
ylabel('Response time(s)');

三、NSS（网络存储系统）边界性能