| Name | moat-kv JSON |
| Version |
0.70.18
JSON |
| download |
| home_page | |
| Summary | A distributed no-master key-value store |
| upload_time | 2024-03-09 08:26:40 |
| maintainer | |
| docs_url | None |
| author | |
| requires_python | >=3.8 |
| license | |
| keywords |
moat
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
|
| coveralls test coverage |
|
=======
MoaT-KV
=======
Welcome to `MoaT-KV <https://github.com/MoaT/moat-kv>`__!
MoaT-KV is a master-less distributed key-value storage system. It
circumvents the CAP theorem (you can't have all of consistency, availablilty,
and fault tolerance) using the assumption that a key is typically changed
by one node only. It is thus resistant to partitioning and intended to be
always-on; it will not block or lose updates, even in a partitioned
network.
MoaT-KV comes with several batteries included:
* Basic user management, pattern-based ACLs
* Strong typing, code- and/or `JSON Schema`-based
* Data mangling
* Background code execution
* Seamless recovery even if only one master is running
The underlying communication is based on MQTT. A Serf back-end is also
available. Others are easy to implement.
MoaT-KV was originally called "distkv".
API
===
MoaT-KV offers an efficient msgpack-based interface to access data and to
change internal settings. Most configuration is stored inside MoaT-KV
itself.
Stored data are **not** forced to be strings or binary sequences, but can
be anything that `MsgPack` supports. Keys to storage are multi-level and
support string, integer/float, and tuple keys.
Non-Features
============
MoaT-KV does not support data partitioning. Every node stores the whole
data set and can instantly deliver mostly-uptodate data.
MoaT-KV does not have a disk-based storage backend. Periodic snapshots and
event logs can be used to quickly restore a system, if necessary.
Status
======
MoaT-KV is mostly stable. There are a lot of corner cases that don't
have tests yet.
TODOs:
* some services (esp. command line tools and runners) are under-tested
* there's no good API for errors
TODO
====
* clean up some of the more egregious command line mistakes
* create a page for showcase-ing subprojects (knx owfs akumuli …)
* improve Home Assistant integration
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