Re: [Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-11-16 Thread John Snow
On 11/16/2017 11:50 AM, Dr. David Alan Gilbert wrote: > * John Snow (js...@redhat.com) wrote: >> >> >> On 10/30/2017 12:33 PM, Vladimir Sementsov-Ogievskiy wrote: >>> Postcopy migration of dirty bitmaps. Only named dirty bitmaps, >>> associated with root nodes and non-root named nodes are

Re: [Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-11-16 Thread John Snow
On 11/16/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: > 15.11.2017 04:58, John Snow wrote: >> >> On 10/30/2017 12:33 PM, Vladimir Sementsov-Ogievskiy wrote: >>> Postcopy migration of dirty bitmaps. Only named dirty bitmaps, >>> associated with root nodes and non-root named nodes are

Re: [Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-11-16 Thread John Snow
On 11/16/2017 05:24 AM, Vladimir Sementsov-Ogievskiy wrote: >>> +    /* if a block is zero we need to flush here since the network >>> + * bandwidth is now a lot higher than the storage device bandwidth. >>> + * thus if we queue zero blocks we slow down the migration. */ >> Can you

Re: [Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-11-16 Thread Dr. David Alan Gilbert
* John Snow (js...@redhat.com) wrote: > > > On 10/30/2017 12:33 PM, Vladimir Sementsov-Ogievskiy wrote: > > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > > associated with root nodes and non-root named nodes are migrated. > > > > If destination qemu is already containing a

Re: [Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-11-16 Thread Vladimir Sementsov-Ogievskiy
15.11.2017 04:58, John Snow wrote: On 10/30/2017 12:33 PM, Vladimir Sementsov-Ogievskiy wrote: Postcopy migration of dirty bitmaps. Only named dirty bitmaps, associated with root nodes and non-root named nodes are migrated. If destination qemu is already containing a dirty bitmap with the

Re: [Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-11-14 Thread John Snow
On 10/30/2017 12:33 PM, Vladimir Sementsov-Ogievskiy wrote: > Postcopy migration of dirty bitmaps. Only named dirty bitmaps, > associated with root nodes and non-root named nodes are migrated. > > If destination qemu is already containing a dirty bitmap with the same name > as a migrated bitmap

[Qemu-devel] [PATCH v8 10/14] migration: add postcopy migration of dirty bitmaps

2017-10-30 Thread Vladimir Sementsov-Ogievskiy
Postcopy migration of dirty bitmaps. Only named dirty bitmaps, associated with root nodes and non-root named nodes are migrated. If destination qemu is already containing a dirty bitmap with the same name as a migrated bitmap (for the same node), then, if their granularities are the same the