The Huge Disaster Within The Linux 2.6.35 Kernel
May 28, 2010, 16:32 (1 Talkback[s])
(Other stories by Michael Larabel)
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"For the past six months we have been monitoring the performance
of the very latest Linux kernel code on a daily basis across
multiple systems. We have spotted a few regressions -- both
positive and negative -- on occasion using our automated daily
testing of the Linux kernel, but nothing like what we have
encountered the past few days: the Linux 2.6.35 kernel performance
has fallen hard. In fact, the performance has fallen very hard in a
number of tests and right now, we would consider it a disaster.
While the 2.6.35 code has not even seen its first release candidate
yet, there are some massive performance drops in a variety of
different tests that have yet to be corrected and nothing like we
have encountered with previous kernel release cycles especially for
a regression that has lived now for about one week. ,p>"To cut
to the chase, between the 22nd and 24th of May there looks to be at
least one commit (though perhaps multiple based upon the different
data) within the Linus Torvalds 2.6 Git tree that are negatively
affecting many different server/desktop benchmarks. We waited
nearly a week to see if these regressions would be organically
caught and addressed, but they have not been at least of the Linux
2.6 Git state as of 2010-05-26."
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