Intro
LogCabin is a distributed system that provides a small amount of highly replicated, consistent storage. It is a reliable place for other distributed systems to store their core metadata and is helpful in solving cluster management issues. LogCabin is still in early stages of development and is not yet recommended for actual use.
We've written a paper about the Raft consensus algorithm which LogCabin uses internally. A draft of this paper is available here : read it here (PDF).
Source code
LogCabin is still in early stages of development and is not yet recommended for actual use. The source code is here: https://github.com/logcabin/logcabin
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Please report bugs and feature requests to https://github.com/logcabin/logcabin/issues . You'll need a github account (free) to submit new issues.
Old Topics
Warning: these are design notes from initial stages of LogCabin and are are probably not relevant any longer.
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Other Raft Implementations
| Name | Primary Authors | Language | License | Status | Web site | Row last updated* |
|---|---|---|---|---|---|---|
| Raft.js? | Mendel Rosenblum (Stanford) | Javascript | N/A | Leader election implemented; no log replication yet. | N/A | 2013-05-18 |
| go-raft | Ben B. Johnson (Sky database) | Go | MIT | Leader election and log replication implemented but with some correctness issues. Can reconfigure cluster only by adding one server at a time (no removal). No log compaction. | https://github.com/benbjohnson/go-raft | 2013-05-18 |
| noeleo/raft | Noel Moldvai, Rohit Turumella, Josh Muhlfelder, James Butkovic (Berkeley) | Bloom | N/A | Leader election implemented; no log replication yet. | https://github.com/noeleo/raft | 2013-05-18 |
| whitewater | Adam Midvidy, Anh Mai, Karoun Kasraie, Sanketh Katta (Berkeley) | Bloom | MIT | Leader election and log replication implemented but with some correctness issues. Static membership. No log compaction. | https://github.com/amidvidy/whitewater | 2013-05-18 |
| kontiki | Nicolas Trangez | Haskell | LGPL | Leader election implemented; log replication in progress. | https://github.com/NicolasT/kontiki | 2013-05-18 |
* This information will become stale. Please prod Diego if you want it updated.This information has moved to the Raft web page: http://raftconsensus.github.io
Related work
Chubby (Google)
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Viewstamped Replication: A New Primary Copy Method to Support Highly-Available Distributed Systems (PODC '88)