Hi Daniel,
Am 09.02.2023 um 11:26 schrieb Daniel Stenberg:
On Thu, 9 Feb 2023, Stephan Mühlstrasser via curl-library wrote:
I'm attempting to upgrade libcurl in an application from 7.85.0 to
7.87.0. When I run tests against an internal test server, I see a
major slowdown for HTTPS connections. It is worst when proxies are
involved, but I see also a slowdown without proxies.
Yes, we are already aware of this regression and several fixes have been
landed in git to address this. Actually to the level that in our tests,
git master is much faster to first byte received than ever before (as
far as I have verified in my tests at least).
great that this is already a known problem. I had browsed the recent
messages on the mailing list and recent issues on GitHub, but apparently
I didn't look carefully enough.
It would be helpful if you could verify that the slowdown is gone for
you as well if you build and test with current git master.
Sure, I will do that. Do I understand it correctly that a new official
release is just around the corner, on February 15th according to the
plan on the curl website?
This regression happened because we don't do regular performance tests,
and as everything still kept working, albeit too slowly, we did not
notice this in time before the release! :-O
I also noticed this only because I looked specifically at our test that
exercises the network functionality after upgrading to 7.87.0, and a
slowdown by a factor of 20 was striking. When I would have run the whole
testsuite then I probably wouldn't have noticed this as well...
Thanks
Stephan
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