Operations map

• For scan operations, you need to use a keys as strings.

Operation	InMemoryStore	FilesystemStore	RedisStore	LmdbStore	PysosStore	ShelveStore	DynamoDBStore	FireStoreStore	CosmosDBStore	MongoDBStore	SafetensorsStore	ModalStore	UnQLite	Speedb	RocksDB	LevelDB
backend	python dict	fsspec (S3/gs,az,local,ftp, etc)	Redis	Lmdb	Pysos	Shelve	AWS DynamoDB	GCP Firestore	Azure Cosmos DB	MongoDB	safetensors	modal	unqlite-python	speedb	RocksDB	leveldb
set	+	+	+	+	+	+	+	+	+	+	-	+	+	+	+	+
get	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
pop	+	+	+	+	+	+	+	+	+	+	-	+	+	+	+	+
delete	+	+	+	+	+	+	+	+	+	+	-	+	+	+	+	+
len	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
eq	+	+	+	+	+	+	+	+	+	+	-	+	+	+	+	+
keys	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
values	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
items	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
iter	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
contains	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
update	+	+	+	+	+	+	+	+	+	+	-	+	+	+	+	+
persistence	-	+	+	+	+	+	+	+	+	+	+	-	+	+	+	+
save/load	+	Auto	Save (experimental)	+	+	+	Serverless	Serverless	Serverless	+ (strict)	+	-	+	(save/ingest)	(save/ingest)	-
key type (Not strict/strict)	Any	Any(local) / String(cloud)	Any/String	Any	Any	Any	String	Any/String	String	String	String	Any	Any	Any	Any	Any
value_type	Any	Any(local) / String(cloud)	Any/String	Any	Any	Any	Jsonable	Any	Any	Any/Dict[str,Any]	Tensors	Any	Any	Any	Any	Any

• A strict=False mode is available to allow for more flexible data types - anything which is cloudpickle-able will work including classes and functions.