On Thu, Jan 14, 2021 at 2:37 PM Max Reitz <mre...@redhat.com> wrote: > > Issuing 'stop' on the VM drains all nodes. If the mirror job has many > large requests in flight, this may lead to significant I/O that looks a > bit like 'stop' would make the job try to complete (which is what 129 > should verify not to happen). > > We can limit the I/O in flight by limiting the buffer size, so mirror > will make very little progress during the 'stop' drain. > > (We do not need to do anything about commit, which has a buffer size of > 512 kB by default; or backup, which goes cluster by cluster. Once we > have asynchronous requests for backup, that will change, but then we can > fine-tune the backup job to only perform a single request on a very > small chunk, too.) > > Signed-off-by: Max Reitz <mre...@redhat.com> > Reviewed-by: Eric Blake <ebl...@redhat.com> > Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> > --- > tests/qemu-iotests/129 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >
Reviewed-by: Willian Rampazzo <willi...@redhat.com>
