On Fri, Sep 22, 2017 at 11:03:39AM -0400, Eric Farman wrote: > Hi Peter, Rik, > > With OSS last week, I'm sure this got lost in the deluge, so here's a > friendly ping. Very much so, inbox is a giant trainwreck ;-) > I picked up 4.14.0-rc1 earlier this week, and still see the > degradation described above. Not really a surprise, since I don't see any > other commits in this area beyond the ones I mentioned in my original note. > > Anyway, I'm unsure what else to try or what doc to pull to help debug this, > and would appreciate your expertise here. We can repro this pretty easily > as necessary to help get to the bottom of this. > > Many thanks in advance, Could you describe your sysbench setup? Are you running it on mysql or postgresql, what other options?