Messages in this thread | | | Date | Tue, 18 Jan 2022 02:21:21 -0700 | From | Yu Zhao <> | Subject | Re: [PATCH v6 0/9] Multigenerational LRU Framework |
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On Tue, Jan 11, 2022 at 01:41:22AM -0700, Yu Zhao wrote: > On Tue, Jan 04, 2022 at 01:30:00PM -0700, Yu Zhao wrote: > > On Tue, Jan 04, 2022 at 01:22:19PM -0700, Yu Zhao wrote: > > > TLDR > > > ==== > > > The current page reclaim is too expensive in terms of CPU usage and it > > > often makes poor choices about what to evict. This patchset offers an > > > alternative solution that is performant, versatile and > > > straightforward. > > > > <snipped> > > > > > Summery > > > ======= > > > The facts are: > > > 1. The independent lab results and the real-world applications > > > indicate substantial improvements; there are no known regressions. > > > 2. Thrashing prevention, working set estimation and proactive reclaim > > > work out of the box; there are no equivalent solutions. > > > 3. There is a lot of new code; nobody has demonstrated smaller changes > > > with similar effects. > > > > > > Our options, accordingly, are: > > > 1. Given the amount of evidence, the reported improvements will likely > > > materialize for a wide range of workloads. > > > 2. Gauging the interest from the past discussions [14][15][16], the > > > new features will likely be put to use for both personal computers > > > and data centers. > > > 3. Based on Google's track record, the new code will likely be well > > > maintained in the long term. It'd be more difficult if not > > > impossible to achieve similar effects on top of the existing > > > design. > > > > Hi Andrew, Linus, > > > > Can you please take a look at this patchset and let me know if it's > > 5.17 material? > > > > My goal is to get it merged asap so that users can reap the benefits > > and I can push the sequels. Please examine the data provided -- I > > think the unprecedented coverage and the magnitude of the improvements > > warrant a green light.
My gratitude to Donald who has been helping test MGLRU since v2:
Donald Carr (d@chaos-reins.com)
Founder of Chaos Reins (http://chaos-reins.com), an SF based consultancy company specializing in designing/creating embedded Linux appliances.
Can you please provide your Tested-by tags? This will ensure the credit for your contributions.
Thanks!
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