On 9/21/19 2:59 PM, Richard W.M. Jones wrote:
>> Is it usable without any plugins? Does the null plugin take much space? I
>> wouldn't think so. Would it be too messy to just ship the null plugin
>> unconditionally, even if just for this particular purpose?
>
> Right! My original plan was
On Sat, Sep 21, 2019 at 08:59:54PM +0100, Richard W.M. Jones wrote:
On Sat, Sep 21, 2019 at 09:45:16PM +0200, Martin Kletzander wrote:
On Sat, Sep 21, 2019 at 03:54:11PM +0100, Richard W.M. Jones wrote:
>On Fri, Sep 20, 2019 at 09:33:06AM -0500, Eric Blake wrote:
>>Checking for file existence
On Sat, Sep 21, 2019 at 09:45:16PM +0200, Martin Kletzander wrote:
> On Sat, Sep 21, 2019 at 03:54:11PM +0100, Richard W.M. Jones wrote:
> >On Fri, Sep 20, 2019 at 09:33:06AM -0500, Eric Blake wrote:
> >>Checking for file existence for filters is somewhat less fragile than
> >>for plugins, because
On Sat, Sep 21, 2019 at 03:54:11PM +0100, Richard W.M. Jones wrote:
On Fri, Sep 20, 2019 at 09:33:06AM -0500, Eric Blake wrote:
Checking for file existence for filters is somewhat less fragile than
for plugins, because all filters are built in-tree (we've specifically
documented that we don't
On Fri, Sep 20, 2019 at 09:33:06AM -0500, Eric Blake wrote:
> Checking for file existence for filters is somewhat less fragile than
> for plugins, because all filters are built in-tree (we've specifically
> documented that we don't provide ABI guarantees for filters, so the only
> sane way to use
On Fri, Sep 20, 2019 at 09:33:06AM -0500, Eric Blake wrote:
On 9/20/19 9:04 AM, Martin Kletzander wrote:
On Fri, Sep 20, 2019 at 10:28:18AM +0100, Richard W.M. Jones wrote:
The readahead filter is a self-configuring filter that makes
sequential reads faster when the plugin is slow (and all of
Also of note in this conversation:
https://github.com/libguestfs/nbdkit/blob/master/docs/nbdkit-probing.pod
which currently doesn't mention filters, but ought to once we settle
on the definitive way to detect them.
Rich.
--
Richard Jones, Virtualization Group, Red Hat
On Fri, Sep 20, 2019 at 10:28:18AM +0100, Richard W.M. Jones wrote:
The readahead filter is a self-configuring filter that makes
sequential reads faster when the plugin is slow (and all of the
plugins we use here are always slow).
I observed the behaviour of the readahead filter with our qcow2
