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From: Pavan Nikhilesh Bhagavatula <pbhagavatula@caviumnetworks.com>
To: 王志克 <wangzhike@jd.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] long initialization of rte_eal_hugepage_init
Date: Wed, 6 Sep 2017 10:05:17 +0530	[thread overview]
Message-ID: <20170906043516.GB27242@PBHAGAVATULA-LT> (raw)
In-Reply-To: <6DAF063A35010343823807B082E5681F1A72FDB1@mbx05.360buyAD.local>

On Wed, Sep 06, 2017 at 03:24:52AM +0000, 王志克 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.
>

There is a EAL option --socket-mem which can be used to limit the memory
aquired from each socket.

> What is the proposal from DPDK community? Any solution?
>
> Note I tried version dpdk 16.11.
>
> Br,
> Wang Zhike

-Pavan

  parent reply	other threads:[~2017-09-06  4:35 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
2017-09-06  6:45   ` 王志克
2017-09-06  4:35 ` Pavan Nikhilesh Bhagavatula [this message]
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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