Samba on Scale: Difference between revisions

From SambaWiki
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| [https://docs.ceph.com/en/quincy/rados/api/librados-intro/ Ceph Rados] || K/V ||[http://www.cs.nthu.edu.tw/~ychung/conference/2016_ICPADS.pdf Linearizability] || LWT via Object Operations || yes ||
| [https://docs.ceph.com/en/quincy/rados/api/librados-intro/ Ceph Rados] || K/V ||[http://www.cs.nthu.edu.tw/~ychung/conference/2016_ICPADS.pdf Linearizability] || LWT via Object Operations || yes ||
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| [https://www.yugabyte.com/ YugabyteDB] || || [https://youtu.be/w_zYYF3-iSo?t=2001 Single-key Linearizability with LWT] || yes || yes ||
| [https://www.yugabyte.com/ YugabyteDB] || SQL || [https://youtu.be/w_zYYF3-iSo?t=2001 Single-key Linearizability with LWT] || yes || yes ||


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Revision as of 17:55, 8 March 2023

List of scalable Key/Value Stores

For an overview of Consistency Models see Jepsen or Wikipedia. Note: LWT are defined as multiple operations on a single key.

Name Type Consistency Model Transactions C Client Notes
ctdb K/V Volatile DBs: Basically Sequential Consistency
Persistent DBs: Strict Serializability
No
Yes
yes
etcd K/V Linearizability LWT ("mini") yes
Ceph Rados K/V Linearizability LWT via Object Operations yes
YugabyteDB SQL Single-key Linearizability with LWT yes yes
Apache Cassandra 1-4 CQL Configurable, highest:
Single-key Linearizability with LWT
yes yes
Apache Cassandra 5 CQL Upcoming:
Strict Serializability [1]
yes yes
FoundationDB K/V Strict Serializability yes yes
CockroachDB SQL Serializable+, Strong Partition Serializability LWT yes 1
ScyllaDB CQL Single-key Linearizability with LWT LWT yes
tikv K/V Strong Consistency[2] yes (Percolator based) no (C++)
Apache Pegasus ? ? ? no (C++)
Apache HBase ? ? ? ?
Apache Ignite ? ? ? ?

Rapid Samba dbwrap backend prototyping

A new dbwrap backend called dbwrap_py that calls into Python for the database operations. Available backends:

List of Opensource Clustered Filesystems

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

Links