Revision as of 18:25, 2 January 2023

List of scalable Key/Value Stores

For an overview of Consistency Models see Jepsen or Wikipedia.

Name	Consistency Model	Transactions	C Client	Notes
ctdb	Volatile DBs: Sequential Consistency Persistent DBs: Linearizability	No Yes	yes
etcd	Linearizability	Yes ("mini")	yes	Performance?
Ceph Rados	Linearizability	?	yes
Apache Cassandra	Strong Partition Serializability New: Strict Serializability [1]	yes	yes
Apache HBase	?	?	?
Apache Ignite	?	?	?
FoundationDB	Strict Serializability	yes	yes
CockroachDB	Serializable+, Strong Partition Serializability	?	yes
ScyllaDB	Single-key Linearizability with LWT	?	yes
YugabyteDB	Linearizability with LWT	?	yes
tikv	Strong Consistency [2]	yes	no (C++)
Apache Pegasus	?	?	no (C++)

Name	Built on-top of Object Storage	Notes
Ceph	yes
GlusterFS	no
JuiceFS	yes
MooseFS	no
ObjectiveFS	yes
Lustre	no

@@ Line 25: / Line 25: @@
 | [https://www.scylladb.com/ ScyllaDB] || [https://docs.scylladb.com/stable/cql/consistency.html#consistency-levels-reference Single-key Linearizability with LWT] || ? || yes ||
 |-
-| [https://www.yugabyte.com/ YugabyteDB] || [https://jepsen.io/consistency/models/snapshot-isolation Snapshot] || ? || yes ||
+| [https://www.yugabyte.com/ YugabyteDB] || Linearizability with LWT || ? || yes ||
 |-
 | [https://tikv.org/ tikv] || [https://tikv.org/docs/3.0/reference/faq/ Strong Consistency][https://github.com/tikv/tikv/issues/13956] || yes || no (C++) ||