[pbs-devel] [PATCH proxmox-backup] fix #3359: fix blocking writes in async code during pxar create

[Dominik Csapak]

On 3/24/21 08:17, Dietmar Maurer wrote:
>> Fixes: 6afb60abf557 ("asyncify pxar create_archive")
> 
> I am not sure, but maybe 6afb60abf557 is also the cause for
> the performance regression?
> 
> (reported at https://bugzilla.proxmox.com/show_bug.cgi?id=3174)
> 

i mean not the perfect benchmark, but here on a relatively
empty vm (~2GB root disk) with 4 cores + 4GiB Memory

there is no measurable difference between before
that commit and after

(a backup of / takes ~15s in both cases)