Re: [Libguestfs] Some questions about nbdkit vs qemu performance affecting virt-v2v

2021-07-28 Thread Eric Blake
On Tue, Jul 27, 2021 at 12:16:59PM +0100, Richard W.M. Jones wrote: > Hi Eric, a couple of questions below about nbdkit performance. > > Modular virt-v2v will use disk pipelines everywhere. The input > pipeline looks something like this: > > socket <- cow filter <- cache filter <- nbdkit >

Re: [Libguestfs] Some questions about nbdkit vs qemu performance affecting virt-v2v

2021-07-28 Thread Eric Blake
On Tue, Jul 27, 2021 at 01:28:17PM +0100, Richard W.M. Jones wrote: > > >Q2: Should we consider a "cow-on-read" flag to the cow filter (thus > > >removing the need to use the cache filter at all)? > > > > > > > That would make at least some sense since there is cow-on-cache already > > (albeit a

Re: [Libguestfs] [PATCH] point users to Libera Chat rather than FreeNode

2021-07-28 Thread Martin Kletzander
On Wed, Jul 28, 2021 at 09:47:49AM +0100, Daniel P. Berrangé wrote: On Thu, May 27, 2021 at 01:00:55PM +0100, Richard W.M. Jones wrote: On Thu, May 27, 2021 at 09:52:58AM +0100, Daniel P. Berrangé wrote: > Signed-off-by: Daniel P. Berrangé > --- > docs/guestfs-faq.pod | 2 +- >

Re: [Libguestfs] [PATCH] point users to Libera Chat rather than FreeNode

2021-07-28 Thread Daniel P . Berrangé
On Thu, May 27, 2021 at 01:00:55PM +0100, Richard W.M. Jones wrote: > On Thu, May 27, 2021 at 09:52:58AM +0100, Daniel P. Berrangé wrote: > > Signed-off-by: Daniel P. Berrangé > > --- > > docs/guestfs-faq.pod | 2 +- > > website/index.html.in | 4 ++-- > > 2 files changed, 3 insertions(+), 3