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Revert #9830 #9931

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merged 2 commits into from Nov 24, 2021
Merged

Revert #9830 #9931

merged 2 commits into from Nov 24, 2021

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nisdas
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@nisdas nisdas commented Nov 24, 2021

What type of PR is this?

Bug Fix

What does this PR do? Why is it needed?

While #9830 was following the consensus spec changes, it also quadrupled bandwidth requirements in certain situations for nodes. Beacon nodes now show significant increases in outbound traffic which was narrowed down to the large increases in attestion_aggregate_proof re-propagation.

Which issues(s) does this PR fix?

N.A

Other notes for review

@nisdas nisdas added Ready For Review A pull request ready for code review Priority: High High priority item labels Nov 24, 2021
@nisdas nisdas requested a review from a team as a code owner November 24, 2021 10:11
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@terencechain terencechain left a comment

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#9830 was a spec requirement (ethereum/consensus-specs#2183) i dont think we should treat this as a simple revert, I think the better course of action will be:

1.) document this in an issue
2.) communicate this with other client teams
3.) get feedbacks
4.) then revert or find better alternatives

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@prestonvanloon prestonvanloon left a comment

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Looks good to me. I have also observed a high increase in upload bandwidth since v2.0.3, but I did not verify that this PR resolves the issue yet.

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@terencechain terencechain left a comment

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Looks like this changes did not make it to other client implementations. I will communicate this back to other client teams and the original issue

@terencechain terencechain merged commit 1d53fd2 into develop Nov 24, 2021
@delete-merged-branch delete-merged-branch bot deleted the revert-9830 branch November 24, 2021 15:09
potuz pushed a commit that referenced this pull request Nov 30, 2021
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cgi1 commented Dec 7, 2021

I can now verify, that v.2.0.4 solves the high bandwith problem, which has been new in v.2.0.3.

Especially upstream is now back to old levels:

Longer Scale (jump is the update from v.2.0.2 to v.2.0.3):

grafik

After upgrading from v.2.0.3 to v.2.0.4, back close to levels from v.2.0.2:

grafik

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5 participants