Imports github.com/coreos/etcd/Godeps/_workspace/src/github.com/google/btree github.com/coreos/etcd/storage/storagepb github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus github.com/coreos/etcd/storage/backend Standard library imports bytes encoding/binary errors fmt io log math math/rand sync time