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Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API |
Date: |
Sun, 29 Sep 2024 14:14:08 -0400 |
On Sat, Sep 28, 2024 at 12:52:08PM -0500, Michael Galaxy wrote:
> A bounce buffer defeats the entire purpose of using RDMA in these cases.
> When using RDMA for very large transfers like this, the goal here is to map
> the entire memory region at once and avoid all CPU interactions (except for
> message management within libibverbs) so that the NIC is doing all of the
> work.
>
> I'm sure rsocket has its place with much smaller transfer sizes, but this is
> very different.
To clarify, are you actively using rdma based migration in production? Stepping
up
to help maintain it?
--
MST
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Michael Galaxy, 2024/09/22
- RE: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Gonglei (Arei), 2024/09/22
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Peter Xu, 2024/09/25
- RE: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Sean Hefty, 2024/09/27
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Michael Galaxy, 2024/09/28
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API,
Michael S. Tsirkin <=
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Michael Galaxy, 2024/09/29
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Michael S. Tsirkin, 2024/09/29
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Michael Galaxy, 2024/09/30
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Yu Zhang, 2024/09/30
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Peter Xu, 2024/09/30
- RE: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Sean Hefty, 2024/09/30
- Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Peter Xu, 2024/09/30
Re: [PATCH 0/6] refactor RDMA live migration based on rsocket API, Michael Galaxy, 2024/09/27