Ubuntu
linux package

  1. Xenial (16.04)
  2. Bug #1833319
  3. Comment #3

Comment 3 for bug 1833319

Revision history for this message
Matthew Ruffell (mruffell) wrote :

I enabled enabled -proposed and installed 4.4.0-155.182, and went through the
test case on a c5.large instance on aws. Note, I used the -generic kernel since
-aws doesn't seem to be ready yet.

The problem is solved and performance is the same as non-snapshot mounted disks.

We can see that merging has been enabled by looking at the flag:

$ cat /sys/block/nvme1n1/queue/nomerges
0

The problem is fixed. Changing tag to verified.