Re: [PATCH] io_uring/net: allow opportunistic initial bundle recv

[Jens Axboe <axboe@kernel.dk>]

On 8/6/24 11:49 AM, Jens Axboe wrote:
> For bundles, the initial recv operation is always just a single buffer,
> as we don't yet know how much data is available in the socket. However,
> this can lead to a somewhat imbalanced string of receives, where the
> first recv gets a single buffer and the second gets a bunch.
> 
> Allow the initial peek operation to get up to 4 buffers, taking
> advantage of the fact that there may be more data available, rather
> than just doing a single buffer. This has been shown to work well across
> a variety of recv workloads, as it's still cheap enough to do, while
> ensuring that we do get to amortize the cost of traversing the network
> stack and socket operations.

FWIW, I dropped this one. Don't think it's clear cut enough.

-- 
Jens Axboe