DeleteHits is the number of deletion requests resulting in an item being removed.

DeleteMisses is the number of deletion requests for missing keys.

EntriesTotal is the total number of entries(including replicas) stored during the life of this instance.

ErrKeyNotFound is returned when a key could not be found.

ErrLockNotAcquired is returned when the requested lock could not be acquired.

ErrNoSuchLock is returned when the requested lock does not exist.

ErrReadQuorum means that read quorum cannot be reached to operate.

EvictedTotal is the number of entries removed from cache to free memory for new entries.

GetHits is the number of entries that have been requested and found present.

GetMisses is the number of entries that have been requested and not found.

DMap implements a single-hop distributed hash table.

Entry is a DMap entry with its metadata.