Revision as of 12:16, 8 March 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
YugabyteDB	Linearizability with LWT	?	yes
Apache Cassandra	Configurable: Linearizability with LWT New: Strict Serializability [1]	yes	yes
FoundationDB	Strict Serializability	yes	yes
CockroachDB	Serializable+, Strong Partition Serializability	LWT	yes	1
ScyllaDB	Single-key Linearizability with LWT	LWT	yes
tikv	Strong Consistency [2]	yes	no (C++)
Apache Pegasus	?	?	no (C++)
Apache HBase	?	?	?
Apache Ignite	?	?	?

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

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 |-
 | [https://cassandra.apache.org/_/index.html Apache Cassandra] || Configurable: Linearizability with LWT<br />New: [https://thenewstack.io/an-apache-cassandra-breakthrough-acid-transactions-at-scale/ Strict Serializability] [https://cwiki.apache.org/confluence/display/CASSANDRA/CEP-15%3A+General+Purpose+Transactions?preview=/188744725/188744736/Accord.pdf]|| yes || [https://docs.datastax.com/en/developer/cpp-driver/2.16/topics/ yes] ||
-|-
-| [https://hbase.apache.org/ Apache HBase] || ? || ? || ? ||
-|-
-| [https://ignite.apache.org/ Apache Ignite] || ? || ? || ? ||
 |-
 | [https://www.foundationdb.org/ FoundationDB] || [https://jepsen.io/consistency/models/strict-serializable Strict Serializability] || yes || yes ||
@@ Line 30: / Line 26: @@
 |-
 | [https://pegasus.apache.org/ Apache Pegasus] || ? || ? || no (C++) ||
+|-
+| [https://hbase.apache.org/ Apache HBase] || ? || ? || ? ||
+|-
+| [https://ignite.apache.org/ Apache Ignite] || ? || ? || ? ||
 |}