Re: [PATCH] migration/postcopy: Fix high frequency sync

2024-03-22 Thread Peter Xu
ble branches are all fine. I also rewrote the commit log. Attaching the updated version here just for reference (no code changes). 8< >From 32e3146be16fef9d0fe7b0818265c9d07bb51de3 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Wed, 20 Mar 2024 17:44:53 -0400 Subject: [PATCH] migra

Re: [PATCH] migration/postcopy: Fix high frequency sync

2024-03-21 Thread Peter Xu
On Wed, Mar 20, 2024 at 05:44:53PM -0400, pet...@redhat.com wrote: > From: Peter Xu > > On current code base I can observe extremely high sync count during > precopy, as long as one enables postcopy-ram=on before switchover to > postcopy. > > To provide some context of when we decide to do a ful

Re: [PATCH] migration/postcopy: Fix high frequency sync

2024-03-21 Thread Fabiano Rosas
pet...@redhat.com writes: > From: Peter Xu > > On current code base I can observe extremely high sync count during > precopy, as long as one enables postcopy-ram=on before switchover to > postcopy. > > To provide some context of when we decide to do a full sync: we check > must_precopy (which imp

[PATCH] migration/postcopy: Fix high frequency sync

2024-03-20 Thread peterx
From: Peter Xu On current code base I can observe extremely high sync count during precopy, as long as one enables postcopy-ram=on before switchover to postcopy. To provide some context of when we decide to do a full sync: we check must_precopy (which implies "data must be sent during precopy ph