overrides:
  ceph:
    crush_tunables: firefly
    log-whitelist:
      - must scrub before tier agent can activate
tasks:
- exec:
    client.0:
      - sudo ceph osd pool create base 4
      - sudo ceph osd pool application enable base rados
      - sudo ceph osd pool create cache 4
      - sudo ceph osd tier add base cache
      - sudo ceph osd tier cache-mode cache writeback
      - sudo ceph osd tier set-overlay base cache
      - sudo ceph osd pool set cache hit_set_type bloom
      - sudo ceph osd pool set cache hit_set_count 8
      - sudo ceph osd pool set cache hit_set_period 60
      - sudo ceph osd pool set cache target_max_objects 250
      - sudo ceph osd pool set cache min_read_recency_for_promote 2
      - sudo ceph osd pool set cache min_write_recency_for_promote 2
- rados:
    clients: [client.0]
    pools: [base]
    ops: 4000
    objects: 500
    op_weights:
      read: 100
      write: 100
      delete: 50
      copy_from: 50