Comment # 4 on bug 1227180 from Gabriel Krisman Bertazi

(In reply to Gabriel Krisman Bertazi from comment #3)

> Hmean     kIOPS 
>   746353.26 (   0.00%)   
>   742246.48 (  -0.55%) 
>   748464.20 (   0.28%)   
>   743324.07 (  -0.41%) 
>   752230.04 (   0.79%)  
>   748760.59 (   0.32%)  
>   752005.82 (   0.76%)  
>   744865.18 (  -0.20%)   
>   746811.71 (   0.06%) 
>   750949.33 (   0.62%)
> 
> Stddev    kIOPS     
>   718.33 (   0.00%)  
>   1927.17 (-168.28%)     
>   756.26 (  -5.28%)      
>   717.91 (   0.06%)     
>   816.84 ( -13.71%)     
>   839.24 ( -16.83%)     
>   982.03 ( -36.71%)   
>  1491.61 (-107.65%)    
>  1768.06 (-146.13%)    
>   769.85 (  -7.17%)
> 
> CoeffVar  kIOPS    
>   0.10 (   0.00%)  
>   0.26 (-169.77%)    
>   0.10 (  -4.98%)    
>   0.10 (  -0.35%)     
>   0.11 ( -12.83%)   
>   0.11 ( -16.46%)   
>   0.13 ( -35.68%)       
>   0.20 (-108.06%)    
>   0.24 (-145.98%)    
>   0.10 (  -6.52%)

> mitigations=off

> Stddev    kIOPS    
>  6159.42 (   0.00%) 
>  3156.50 (  48.75%)   
>  4129.19 (  32.96%)   
>  3844.70 (  37.58%)   
>  4154.63 (  32.55%)    
>  7024.73 ( -14.05%) 
>  3229.00 (  47.58%)    
>  3099.93 (  49.67%)    
>  4159.56 (  32.47%)  
>  4051.66 (  34.22%)
> 
> CoeffVar  kIOPS     
>  0.40 (   0.00%)     
>  0.21 (  48.77%)  
>  0.27 (  32.94%)
>  0.25 (  37.56%)       
>  0.27 (  32.48%)      
>  0.46 ( -14.08%)      
>  0.21 (  47.60%) 
>  0.20 (  49.71%) 
>  0.27 (  32.45%)     
>  0.26 (  34.19%)

> I'm also puzzled by the results of mitigations=auto, where SP5 is better
> than SP6. that makes no sense.  Let me look into that.

Nevermind. I forgot these are are actually percentages in mmtests. it is in
openQA dashboard that these are decimals. So we have 0.2% to 0.4% variance. not
ba