Re: [PATCH 0/4] Support for dirty-limit live migration
ping
在 2023/11/30 8:25, Hyman Huang 写道:
> v2:
> - mark the VIR_MIGRATE_DIRTY_LIMIT flag since 9.10.0
>
> v1:
> The dirty-limit functionality for live migration was
> introduced since qemu>=8.1.
>
> 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 Keep the default configurations and values in place.
>
> For more details about dirty-limit, please see the following
> reference:
> https://lore.kernel.org/qemu-
> devel/169024923116.19090.10825599068950039132-0(a)git.sr.ht/
>
> 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(-)
>