[Bug 216178] ZFS ARC and L2ARC are unrealistically large, maybe after r307265

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216178

--- Comment #4 from Lev A. Serebryakov <lev at FreeBSD.org> ---
I could provide any additional information, including dumping kernel structures
with debugger and such.

Now it shows:

% zpool list -v
NAME          SIZE  ALLOC   FREE  EXPANDSZ   FRAG    CAP  DEDUP  HEALTH 
ALTROOT
zroot        39.9G  14.6G  25.3G         -    49%    36%  1.00x  ONLINE  -
  gpt/root   39.9G  14.6G  25.3G         -    49%    36%
zstor        13.6T  9.01T  4.62T         -    24%    66%  1.00x  ONLINE  -
  raidz1     13.6T  9.01T  4.62T         -    24%    66%
    ada1         -      -      -         -      -      -
    ada2         -      -      -         -      -      -
    ada3         -      -      -         -      -      -
    ada4         -      -      -         -      -      -
    ada5         -      -      -         -      -      -
cache            -      -      -         -      -      -
  gpt/l2arc   185G  1.05T  16.0E         -     0%   581%
%

which looks completely unrealistic, as it is more than 4x compression!

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