From: Stephen Hemminger <stephen@networkplumber.org>
To: 王志克 <wangzhike@jd.com>
Cc: dev@dpdk.org, users@dpdk.org
Subject: Re: [dpdk-dev] long initialization of rte_eal_hugepage_init
Date: Tue, 5 Sep 2017 21:24:06 -0700 [thread overview]
Message-ID: <CAOaVG15NhZXhPCR5VDS-O+FVpx1muAY7z2HMTHT-smDpZadK9A@mail.gmail.com> (raw)
In-Reply-To: <6DAF063A35010343823807B082E5681F1A72FDB1@mbx05.360buyAD.local>
Linux zeros huge pages by default. There was a fix in later releases
On Sep 5, 2017 8:24 PM, "王志克" <wangzhike@jd.com> wrote:
> Hi All,
>
> I observed that rte_eal_hugepage_init() will take quite long time if there
> are lots of huge pages. Example I have 500 1G huge pages, and it takes
> about 2 minutes. That is too long especially for application restart case.
>
> If the application only needs limited huge page while the host have lots
> of huge pages, the algorithm is not so efficent. Example, we only need 1G
> memory from each socket.
>
> What is the proposal from DPDK community? Any solution?
>
> Note I tried version dpdk 16.11.
>
> Br,
> Wang Zhike
>
next prev parent reply other threads:[~2017-09-06 4:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-06 3:24 王志克
2017-09-06 4:24 ` Stephen Hemminger [this message]
2017-09-06 6:45 ` 王志克
2017-09-06 4:35 ` Pavan Nikhilesh Bhagavatula
2017-09-06 7:37 ` Sergio Gonzalez Monroy
2017-09-06 8:59 ` 王志克
2017-09-06 4:36 ` Tan, Jianfeng
2017-09-06 6:02 ` 王志克
2017-09-06 7:17 ` Tan, Jianfeng
2017-09-06 8:58 ` 王志克
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