Experiment files 1 by 1 (#3959)

* Experiment files 1 by 1

* Remove check

* sort preverified snapshots

* docs: docker permissions

* sort preverified snapshots

* sort preverified snapshots

* sort preverified snapshots

* sort preverified snapshots

* sort preverified snapshots

* sort preverified snapshots

* save

* Fix speed log, remove file name

* Move timer out of the loop

* Calculate total size of downloaded files

* Fixes

* Fix

* Fix

* Fix

* Move downloadData

* Fix

* Revert "Fix"

This reverts commit 038e02b8a4d23cd32ddb111e9f325fc4ce1bbe2b.

* Revert "Move downloadData"

This reverts commit 8130a4d9bdc0705082eb7fe94e2261c9313f8482.

* Revert "Fix"

This reverts commit 1dca25bd68772bc42ac710c24698c8670f9f6b86.

* Revert "Fix"

This reverts commit ee5a1e82abd47bef4f9d8f0f68b8497476d29c0b.

* Revert "Fix"

This reverts commit 8af7be71d4685e0d6115fef91ed2f304695e1df9.

* Revert "Fixes"

This reverts commit 50509af81f3721cca957cd15d0286e8f30e5097b.

* Revert "Calculate total size of downloaded files"

This reverts commit 64a26df54f6226d739c8a5b57b32ad5af07d3061.

* Remove progress

* Remove progress

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
Co-authored-by: alex.sharov <AskAlexSharov@gmail.com>