@Wido Den Hollander  

First of all the docs say: " In most cases, this distribution is “perfect,” 
whichan equal number of PGs on each OSD (+/-1 PG, since they might notdivide 
evenly)."Either this is just false information or very badly stated.
I increased PGs and see no difference.
I pointed out MULTIPLE times that Nautilus has major flaws in the data 
distribution but nobody seems to listen to me. Not sure how much more evidence 
I have to show.
  0   ssd 3.49219  1.00000 3.5 TiB 715 GiB 674 GiB  37 GiB 3.9 GiB 2.8 TiB 
19.99 0.29 147     up 
  1   ssd 3.49219  1.00000 3.5 TiB 724 GiB 672 GiB  49 GiB 3.8 GiB 2.8 TiB 
20.25 0.30 146     up 
  2   ssd 3.49219  1.00000 3.5 TiB 736 GiB 681 GiB  50 GiB 4.4 GiB 2.8 TiB 
20.57 0.30 150     up 
  3   ssd 3.49219  1.00000 3.5 TiB 712 GiB 676 GiB  33 GiB 3.5 GiB 2.8 TiB 
19.92 0.29 146     up 
  4   ssd 3.49219  1.00000 3.5 TiB 752 GiB 714 GiB  34 GiB 4.6 GiB 2.8 TiB 
21.03 0.31 156     up 
  6   ssd 3.49219  1.00000 3.5 TiB 710 GiB 671 GiB  35 GiB 3.8 GiB 2.8 TiB 
19.85 0.29 146     up 
  8   ssd 3.49219  1.00000 3.5 TiB 781 GiB 738 GiB  40 GiB 3.7 GiB 2.7 TiB 
21.85 0.32 156     up 
 10   ssd 3.49219  1.00000 3.5 TiB 728 GiB 682 GiB  42 GiB 4.0 GiB 2.8 TiB 
20.35 0.30 146     up 
  5   ssd 3.49219  1.00000 3.5 TiB 664 GiB 628 GiB  32 GiB 4.3 GiB 2.8 TiB 
18.58 0.27 141     up 
  7   ssd 3.49219  1.00000 3.5 TiB 656 GiB 613 GiB  39 GiB 4.0 GiB 2.9 TiB 
18.35 0.27 136     up 
  9   ssd 3.49219  1.00000 3.5 TiB 632 GiB 586 GiB  41 GiB 4.4 GiB 2.9 TiB 
17.67 0.26 131     up 
 11   ssd 3.49219  1.00000 3.5 TiB 725 GiB 701 GiB  22 GiB 2.6 GiB 2.8 TiB 
20.28 0.30 138     up 
101   ssd 3.49219  1.00000 3.5 TiB 755 GiB 713 GiB  38 GiB 3.9 GiB 2.8 TiB 
21.11 0.31 146     up 
103   ssd 3.49219  1.00000 3.5 TiB 761 GiB 718 GiB  40 GiB 3.6 GiB 2.7 TiB 
21.29 0.31 150     up 
105   ssd 3.49219  1.00000 3.5 TiB 715 GiB 676 GiB  36 GiB 2.6 GiB 2.8 TiB 
19.99 0.29 148     up 
107   ssd 3.49219  1.00000 3.5 TiB 760 GiB 706 GiB  50 GiB 3.2 GiB 2.8 TiB 
21.24 0.31 147     up 
100   ssd 3.49219  1.00000 3.5 TiB 724 GiB 674 GiB  47 GiB 2.5 GiB 2.8 TiB 
20.25 0.30 144     up 
102   ssd 3.49219  1.00000 3.5 TiB 669 GiB 654 GiB  12 GiB 2.3 GiB 2.8 TiB 
18.71 0.27 141     up 
104   ssd 3.49219  1.00000 3.5 TiB 721 GiB 687 GiB  31 GiB 3.0 GiB 2.8 TiB 
20.16 0.30 144     up 
106   ssd 3.49219  1.00000 3.5 TiB 715 GiB 646 GiB  65 GiB 3.8 GiB 2.8 TiB 
19.99 0.29 143     up 
108   ssd 3.49219  1.00000 3.5 TiB 729 GiB 691 GiB  36 GiB 2.6 GiB 2.8 TiB 
20.38 0.30 156     up 
109   ssd 3.49219  1.00000 3.5 TiB 732 GiB 684 GiB  45 GiB 3.0 GiB 2.8 TiB 
20.47 0.30 146     up 
110   ssd 3.49219  1.00000 3.5 TiB 773 GiB 743 GiB  28 GiB 2.7 GiB 2.7 TiB 
21.63 0.32 154     up 
111   ssd 3.49219  1.00000 3.5 TiB 708 GiB 660 GiB  45 GiB 2.7 GiB 2.8 TiB 
19.78 0.29 146     up
The % fillrate is no different than before, fluctuates hard.
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