Is there a way to extend the disk allocated for the instance?

Multipass
1

I use below command to launch a VM instance
multipass launch --name my_ub --cpus 2 --mem 1G --disk 10G

after using it for while, the disk space is used up, is there a way to extend the disk space?

2

For anyone riding by here, refer to this issue for the plan and workarounds:

https://github.com/canonical/multipass/issues/62