Forwarding. (:
Pine
---------- Forwarded message ----------
From: Brion Vibber <bvibber(a)wikimedia.org>
Date: Thu, Feb 9, 2017 at 12:00 PM
Subject: Re: [Wikitech-l] [Wikivideo-l] Video transcode prioritization
changes in progress
To: Opportunities for video in the Wikimedia universe - tech help <
wikivideo-l(a)lists.wikimedia.org>
Cc: Wikimedia-tech list <wikitech-l(a)lists.wikimedia.org>
Ok, the video scaler queue change is now live: SD and low-resolution video
output runs on a new, high-priority queue, with HD video output and
transcodes of files over 15 minutes in length run on the old queue.
Note that existing queued conversions will continue to run on the
low-priority queue until it runs out, but most new uploads from here out
will have web-ready output much faster.
(Load on the servers may be unbalanced for a bit, and may require further
tweaking to best balance responsiveness and throughput, so we'll keep an
eye on the graphs.)
-- brion
On Thu, Feb 9, 2017 at 9:39 AM, Brion Vibber <bvibber(a)wikimedia.org> wrote:
We're in progress of deploying a small change to
the video scalers[1],
which should improve availability of newly uploaded video and audio files.
The queue will now be split in two, one which covers low-resolution
conversions for relatively short files, and one which covers long files
and
high-resolution conversions. When there's a flood
of large uploads, other
new files should still go through the high-priority queue while the large
uploads and HD conversions may back up on the low-priority queue.
The queue-runner side is updated now (done during the 'puppet SWAT'
deployment window), with the MediaWiki side ready to roll around 19:00 UTC
(11am Pacific time, regular SWAT deployment window).
[1]
https://gerrit.wikimedia.org/r/#/c/336846/
-- brion
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