On 09.11.24 05:59, Hyman Huang wrote:
PRECOPY_NOTIFY_AFTER_BITMAP_SYNC was interpreted by free page hinting optimization as an indication to begin freeing pages. But there's no assurance that a sync is required when beginning a migration. Therefore, during PRECOPY_NOTIFY_SETUP, as well as PRECOPY_NOTIFY_AFTER_BITMAP_SYNC, enable free page hinting.
But what does this change bring us in practice? How was it tested that this makes any difference?
-- Cheers, David / dhildenb
