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From: Li Feng <fengli@smartx.com>
To: Cliff Burdick <shaklee3@gmail.com>
Cc: Staffan Wiklund <staffan491@gmail.com>, users <users@dpdk.org>
Subject: Re: Can the DPDK multi-process feature be used in Docker containers?
Date: Thu, 18 Nov 2021 14:20:13 +0800
Message-ID: <CAHckoCyFJ+D2qHqX5TZQbnpBA+TF_-K5_JxE-GBoh78ndVUqGw@mail.gmail.com> (raw)
In-Reply-To: <CA+Gp1naSb+VVruxdx30m+hL3XXqj8KhmUvEsgSgfCEZfuUDArg@mail.gmail.com>

On Thu, Nov 18, 2021 at 2:11 PM Cliff Burdick <shaklee3@gmail.com> wrote:
> Yes. Try mapping the dpdk metadata directory (/var/run/dpdk) into both containers from the host. You should be able to do the normal dual process methods.
By the way, if I want to run two separate dpdk processes in two
different dockers, what should I do?
e.g. Running two processes: examples/dpdk-mp_server
These two dockers have mapped the same /dev/hugepages directories.
I have tested, the dpdk will crash because the hugepages are mixed.

> On Wed, Nov 17, 2021, 05:58 Staffan Wiklund <staffan491@gmail.com> wrote:
>> Hello
>> I wonder if it is possible to use the DPDK multi-process feature in Docker containers?
>> That is, can a DPDK application execute in a Docker container and share its
>> DPDK memory with another DPDK application executing in another Docker container
>> using the DPDK multi-process feature?
>> For example if the DPDK example mp_server executes in one Docker container:
>> <build_dir>/examples/dpdk-mp_server -l 1-2 -n 4 -- -p 3 -n 2
>> and the DPDK example mp_client executes in another Docker container:
>> <build_dir>/examples/dpdk-mp_client -l 3 -n 4 --proc-type=auto -- -n 0
>> Is this possible to implement?
>> Thanks
>> Staffan

  reply	other threads:[~2021-11-18  6:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17 13:47 Staffan Wiklund
2021-11-18  6:11 ` Cliff Burdick
2021-11-18  6:20   ` Li Feng [this message]
2021-11-18  6:23     ` Cliff Burdick
2021-11-18  6:47       ` Li Feng
2021-11-18  7:12         ` Staffan Wiklund
2021-11-18 17:38           ` Cliff Burdick

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