[PATCH v2 00/28] memcg-aware slab shrinking
serge.hallyn at ubuntu.com
Mon Apr 1 14:12:17 UTC 2013
Quoting Glauber Costa (glommer at parallels.com):
> On 04/01/2013 04:38 PM, Serge Hallyn wrote:
> > Quoting Glauber Costa (glommer at parallels.com):
> >> Hi,
> >> Notes:
> >> ======
> >> This is v2 of memcg-aware LRU shrinking. I've been testing it extensively
> >> and it behaves well, at least from the isolation point of view. However,
> >> I feel some more testing is needed before we commit to it. Still, this is
> >> doing the job fairly well. Comments welcome.
> > Do you have any performance tests (preferably with enough runs with and
> > without this patchset to show 95% confidence interval) to show the
> > impact this has? Certainly the feature sounds worthwhile, but I'm
> > curious about the cost of maintaining this extra state.
> > -serge
> Not yet. I intend to include them in my next run. I haven't yet decided
> on a set of tests to run (maybe just a memcg-contained kernel compile?)
> So if you have suggestions of what I could run to show this, feel free
> to lay them down here.
Perhaps mount a 4G tmpfs, copy kernel tree there, and build kernel on
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