Date: Sun, 12 Mar 2017 14:55:19 -0400 From: Andrew Gallatin <gallatin@cs.duke.edu> To: Andriy Gapon <avg@FreeBSD.org>, freebsd-arch@FreeBSD.org, Jeff Roberson <jroberson@jroberson.net> Subject: Re: UMA_ZONE_CACHESPREAD and uma_zsecond_add Message-ID: <035f48ea-8722-f697-cc71-cb8ee772e062@cs.duke.edu> In-Reply-To: <76a47d9a-da39-75f4-5794-24724d0befc7@FreeBSD.org> References: <76a47d9a-da39-75f4-5794-24724d0befc7@FreeBSD.org>
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On 03/08/2017 10:56, Andriy Gapon wrote: > > First, the history of UMA_ZONE_CACHESPREAD and uma_zsecond_add(): > https://lists.freebsd.org/pipermail/freebsd-arch/2008-December/008800.html > > Now, more than 8 years after those features were introduced, we still don't have > a single in-tree consumer for them. > Does anyone use those features out of tree? > Does anyone still have plans to make use of them? > Will anyone get sad if those features get garbage collected? This is something that I keep getting suggestions to try at Netflix on our 100G boxes. From the description, it really seems like it might help us to have a few data types allocated like this. Can you give me, say, one month to look into this before axing it? Thanks, Drew
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