[PATCH Libvirt 0/4] Support for dirty-limit live migration

[Yong Huang]

ping1

On Thu, Oct 12, 2023 at 10:39 AM ~hyman <hyman at git.sr.ht> wrote:

> In qemu>=8.1, the dirty-limit functionality for live
> migration was included. In the live migration
> scenario, it implements the force convergence
> using the dirty-limit approach, which results in
> better reliable read performance. A straightforward
> dirty-limit capability for live migration is added by
> this patchset. Users might not care about other
> dirty-limit arguments like "x-vcpu-dirty-limit-period"
> or "vcpu-dirty-limit," thus do not expose them to
> Libvirt and leave the default settings in place.
> values as default. For more details about dirty-limit.
> please see the following reference:
> https://lore.kernel.org/qemu-
> devel/169024923116.19090.10825599068950039132-0 at git.sr.ht/
>
> Please review,
> thanks, Yong
>
> Hyman Huang (4):
>   Add VIR_MIGRATE_DIRTY_LIMIT flag
>   qemu_migration: Implement VIR_MIGRATE_DIRTY_LIMIT flag
>   virsh: Add support for VIR_MIGRATE_DIRTY_LIMIT flag
>   NEWS: document support for dirty-limit live migration
>
>  NEWS.rst                         |  8 ++++++++
>  docs/manpages/virsh.rst          | 10 +++++++++-
>  include/libvirt/libvirt-domain.h |  5 +++++
>  src/libvirt-domain.c             |  8 ++++++++
>  src/qemu/qemu_migration.c        |  8 ++++++++
>  src/qemu/qemu_migration.h        |  1 +
>  src/qemu/qemu_migration_params.c |  6 ++++++
>  src/qemu/qemu_migration_params.h |  1 +
>  tools/virsh-domain.c             | 10 ++++++++++
>  9 files changed, 56 insertions(+), 1 deletion(-)
>
> --
> 2.38.5
>


-- 
Best regards
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