Re: [Qemu-devel] FW: about the bdrv_invalidate_cache_all()

2015-08-05 Thread Paolo Bonzini
On 05/08/2015 17:21, Li, Liang Z wrote: > I found the function bdrv_invalidate_cache_all() in the > process_incoming_migration_co() takes more the 10ms when doing live > migration with shared storage, which prolong the service down time. > > The bdrv_invalidate_cache_all() is needed when doing t

[Qemu-devel] FW: about the bdrv_invalidate_cache_all()

2015-08-05 Thread Li, Liang Z
Hi Kevin & Juan, I found the function bdrv_invalidate_cache_all() in the process_incoming_migration_co() takes more the 10ms when doing live migration with shared storage, which prolong the service down time. The bdrv_invalidate_cache_all() is needed when doing the live migration with '-b' opt