Re: [dm-devel] Thin pool CoW latency

2023-03-06 Thread Joe Thornber
On Sun, Mar 5, 2023 at 8:40 PM Demi Marie Obenour < d...@invisiblethingslab.com> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > Like Eric, I am very concerned about CoW latency and throughput. I > am almost certain that allocating new blocks and snapshot copy-on-write > are _the_

[dm-devel] Thin pool CoW latency

2023-03-05 Thread Demi Marie Obenour
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Like Eric, I am very concerned about CoW latency and throughput. I am almost certain that allocating new blocks and snapshot copy-on-write are _the_ hot paths in Qubes OS. In particular, I suspect that workloads such as building an image in a throw