Tried with 4 concurrent vs-thumb processes on my Chromebook. Turns out
that there, I see 4 vs-thumb processes during the stress test, but they
all hang (without consuming CPU) after a split second. Eventually, we
time out and get a bunch of errors.
Marking this as "won't fix" for the time being. If the gstreamer codecs
won't work concurrently, there is nothing we can do.
** Changed in: thumbnailer (Ubuntu)
Status: In Progress => Won't Fix
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Touch seeded packages, which is subscribed to thumbnailer in Ubuntu.
https://bugs.launchpad.net/bugs/1532655
Title:
Should disable concurrent extraction only on touch, not for Arm in
general
Status in thumbnailer package in Ubuntu:
Won't Fix
Bug description:
Currently, we are setting max-extractions to 1 on Arm, even when not
running on the phone. This means that, on a Chromebook, for example,
where we use software codecs, we are not using three idle CPUs. It
would be nice to do this only on when running on touch, instead of for
both touch and desktop on Arm.
Fixing this involves working out whether we are running on touch, for
which no API currently exists. But there is one in the works:
https://codereview.qt-project.org/#/c/101049
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