Tune all bcache devices on a unit with best-practice
This charm performs best-practice performance tuning of bcache devices on
SD/NVMe based installations.
Disable performance based congestion behaviour - the SSD or NVMe will in
all likelyhood always be faster than the underlying spindle:
Disable writethrough of sequential data writes:
Increase the amount of dirty data the cache device will hold before
starting to persist to the backing device:
To use this charm, simple deploy and relation to principle services:
juju deploy bcache-tuning
juju add-relation bcache-tuning ceph-osd
juju add-relation bcache-tuning nova-compute
This charm presents no configuration options.