Re: [PATCH] Document support of twos scheduler

	Hello,

On Fri, 21 Aug 2026, Quentin Armitage wrote:

> The Linux kernel has supported the twos scheduler since v5.12. Make
> sure ipvsadm users know it exists.
> 
> Signed-off-by: Quentin Armitage <[email protected]>
> ---
>  SCHEDULERS | 2 +-
>  ipvsadm.8  | 5 +++++
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/SCHEDULERS b/SCHEDULERS
> index 06d3357..8ddef23 100644
> --- a/SCHEDULERS
> +++ b/SCHEDULERS
> @@ -1 +1 @@
> -rr|wrr|lc|wlc|lblc|lblcr|dh|sh|sed|nq|fo|ovf|mh
> +rr|wrr|lc|wlc|lblc|lblcr|dh|sh|sed|nq|fo|ovf|mh|twos
> diff --git a/ipvsadm.8 b/ipvsadm.8
> index 3d7541a..fe0f481 100644
> --- a/ipvsadm.8
> +++ b/ipvsadm.8
> @@ -286,6 +286,11 @@ server as it was before.
>  This scheduler has two flags: mh-fallback, which enables fallback to a
>  different server if the selected server was unavailable, and mh-port,
>  which adds the source port number to the hash computation.

	The patch does not apply. Probably, the old lines start 
with extra space.

# patch -p1 --dry-run < /tmp/file.diff
checking file SCHEDULERS
checking file ipvsadm.8
Hunk #1 FAILED at 286.
1 out of 1 hunk FAILED

> +.sp
> +\fBtwos\fR - random twos choice: the algorithm picks two random
> +servers based on weights then selects the server with the least
> +amount of connections normalized by weight. The algorithm avoids
> +the "herd behavior" problem.
>  .TP
>  .B -p, --persistent [\fItimeout\fP]
>  Specify that a virtual service is persistent. If this option is
> 
> -- 
> 2.55.0

Regards

--
Julian Anastasov <[email protected]>