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Re: [PATCH] Revert "tests/migration: Reduce autoconverge initial bandwid


From: Dr. David Alan Gilbert
Subject: Re: [PATCH] Revert "tests/migration: Reduce autoconverge initial bandwidth"
Date: Tue, 30 Jun 2020 15:54:55 +0100
User-agent: Mutt/1.14.3 (2020-06-14)

* Michael S. Tsirkin (mst@redhat.com) wrote:
> On Tue, Jun 30, 2020 at 02:59:12PM +0100, Dr. David Alan Gilbert wrote:
> > * Michael S. Tsirkin (mst@redhat.com) wrote:
> > > On Tue, Jun 23, 2020 at 10:57:02AM -0400, Michael S. Tsirkin wrote:
> > > > This reverts commit 6d1da867e65f ("tests/migration: Reduce autoconverge 
> > > > initial bandwidth")
> > > > since that change makes unit tests much slower for all developers, 
> > > > while it's not
> > > > a robust way to fix migration tests. Migration tests need to find
> > > > a more robust way to discover a reasonable bandwidth without slowing
> > > > things down for everyone.
> > > > 
> > > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> > > 
> > > What's the conclusion here? Should I merge this?
> > 
> > Yes please; I need to rethink that.
> > 
> > Dave
> > 
> > > 
> > > > ---
> > > >  tests/qtest/migration-test.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> > > > index dc3490c9fa..21ea5ba1d2 100644
> > > > --- a/tests/qtest/migration-test.c
> > > > +++ b/tests/qtest/migration-test.c
> > > > @@ -1211,7 +1211,7 @@ static void test_migrate_auto_converge(void)
> > > >       * without throttling.
> > > >       */
> > > >      migrate_set_parameter_int(from, "downtime-limit", 1);
> > > > -    migrate_set_parameter_int(from, "max-bandwidth", 1000000); /* 
> > > > ~1Mb/s */
> > > > +    migrate_set_parameter_int(from, "max-bandwidth", 100000000); /* 
> > > > ~100Mb/s */
> > > >  
> > > >      /* To check remaining size after precopy */
> > > >      migrate_set_capability(from, "pause-before-switchover", true);
> > > > -- 
> > > > MST
> > > 
> > --
> > Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
> 
> ack pls?

Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK




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