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Issue 714160 link

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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Android
Pri: 2
Type: Bug



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Navigation lags when multiple downloads to the same origin are in-progress

Project Member Reported by peter@chromium.org, Apr 21 2017

Issue description

Steps to reproduce w/ regular downloads:

1. Start multiple (N > 2) downloads from a particular origin.
2. Navigate between pages on that origin.

I observe on my Pixel that navigation is being notably slowed down while the downloads are in progress. This happens for Paul (cc'd) too.

It's more visible with Background Fetch, which uses the download manager for downloading content. Paul, can you share the demo site here?
 

Comment 1 by dah...@chromium.org, Apr 21 2017

Here is the demo site URL: biograf-155113.appspot.com
Hi, which network are we running on when we notice this issue? 


Comment 3 by dah...@chromium.org, Apr 21 2017

We noticed it on google guest in KIR. I don't know if Peter was in the LON office or at home when he was experiencing it.
Can't reproduce the issue with dev and canary build, do we need to add some command line flags to enable features used by the demo site?
Cc: johnpallett@chromium.org
JohnPallett, you showed me a repro of this last week. Can you post the repro steps and possibly a video to help Alex diagnose?

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