Massive metadata size increase after upgrade from 3.2.18 to 3.4.1

[Roman Mamedov <rm@xxxxxxxxxx>]

Hello,

Before the upgrade (on 3.2.18):

Metadata, DUP: total=9.38GB, used=5.94GB

After the FS has been mounted once with 3.4.1:

Data: total=3.44TB, used=2.67TB
System, DUP: total=8.00MB, used=412.00KB
System: total=4.00MB, used=0.00
Metadata, DUP: total=84.38GB, used=5.94GB

Where did my 75 GB of free space just went?

-- 
With respect,
Roman

~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Stallman had a printer,
with code he could not see.
So he began to tinker,
and set the software free."

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