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x/build: scaleway networking is super slow #22749

bradfitz opened this issue Nov 15, 2017 · 1 comment

x/build: scaleway networking is super slow #22749

bradfitz opened this issue Nov 15, 2017 · 1 comment


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@bradfitz bradfitz commented Nov 15, 2017

Our Scaleway instances are taking tens of minutes to download 7 MB:

# docker logs 75f0795b2529
2017/11/15 20:43:58 network is up.
2017/11/15 20:43:58 Downloading to ./buildlet.exe ...
root@scw-e8738f:~# date
Wed Nov 15 20:52:57 UTC 2017

# curl -O
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  2 7010k    2  179k    0     0  17298      0  0:06:55  0:00:10  0:06:45 18419^C

It's painfully slow.

Maybe we need to cache harder and mirror the buildlet in Paris or in their object store.

But that doesn't help if we have to push 40 MB of source at each build.

This bug is about investigating where Scaleway networking is slow.

In the meantime we need to disable our linux-arm trybots.

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@gopherbot gopherbot commented Nov 15, 2017

Change mentions this issue: dashboard: remove linux-arm as a trybot

gopherbot pushed a commit to golang/build that referenced this issue Nov 15, 2017
Fixes golang/go#22592
Updates golang/go#22749
Updates golang/go#22748

Change-Id: I6b58f21ececa212a12af8ef21cdef9c90515b837
Reviewed-by: Andrew Bonventre <>
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