[Samba] Large Delays in Samba Responses

[Jeremy Allison]

On Wed, Sep 16, 2020 at 09:04:34AM +1000, Matthew Jurgens wrote:
> 
> On 16/09/2020 3:53 am, Jeremy Allison via samba wrote:
> > On Tue, Sep 15, 2020 at 09:35:30AM +1000, Matthew Jurgens via samba wrote:
> > >  From time to time I get applications that use data on a Samba share locking
> > > up for long periods. Sometimes minutes.
> > > 
> > > I am using a Windows 10 client and Samba 4.12.5 on Fedora 32
> > > 
> > > 
> > This is from a Windows client, yes ?
> > 
> > Do you, or have you ever had the Windows Microsoft provided NFS client
> > loaded on that client ?
> 
> 
> I have never used any Windows NFS client

OK, that's one case we can discount. I have seen long
pauses (minutes) whilst the Windows NFS client seems
to fight with the SMB client for control of the buffer
cache :-).