146
eza (formerly exa, ls replacement) can now show the actual total size of directory contents
(discuss.tchncs.de)
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this looks like one is using the SI 1000-based units, instead of the binary 1024-based. im pretty sure
du
has a--si
option.the
B
(for bytes) is omitted, so it each is ambiguous to whether itsMiB
(mebibytes -- binary) orMB
(megabytes -- SI).i may be wrong on the technicals but u get the jist.
The difference is too large for that. 184 MB is 176 MiB not 149.
No, the difference is way too high to explain it like this, there is no way that 1024 vs 1000 base could explain an increase of approx. "35M" for a "149M" directory. Other folders are much closer like "20K" and "20K" or =or "44M" vs "45M". Also as said Dolphin filemanager reports the same output as
du
. I even testeddu
with--si
option, which power of 1000 instead 1024 (I'm pretty sureeza
does it correctly with 1024, so this is not necessary option to compare anyway).No, @[email protected] is correct.
I just did a test using
dd
- I created 100 files of exactly 1 MiB each (1048576 bytes).du
reported the size as "100M" as expected, whereaseza
reported it as "105M" - which is what you'd get if you divided 104857600 by 1000000 (= 104.8576 or 105M if you round it off).He is wrong, as I explained it multiple times that this is not the issue here. Install
eza
and compare todu
and possibly some other application that reports the directory size. The difference in filesize cannot be explained by 1000 vs 1024 base. Do the math if you don't believe me.eza
is reporting false directory size for me, unless there is an explanation.And for reference Dolphin the filemanager of KDE Plasma reports
149,1 MiB (156.366.443)
, which aligns withdu
without using--si
option. Even the one folder "target" is at183M
witheza
(which is the biggest folder in that directory anyway).I was talking about the 1000 vs 1024 issue, do the dd test yourself and it's easy to verify that he was right.
As for the specific descrepancy that you're seeing, lots of things can throw off a file size calculation - symlinks, sparse files, reflinks, compression etc. Since you're the only one with access to your files, you'll need to investigate and come to a conclusion yourself (and file a bug report if necessary).
Could it be this AND block size vs actual used size?