viewstamped-replication-made-famous
viewstamped-replication-made-famous
| viewstamped-replication-made-famous | viewstamped-replication-made-famous | |
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| 2 | 3 | |
| 175 | 93 | |
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| 1.8 | 4.8 | |
| almost 2 years ago | almost 2 years ago | |
| Zig | Zig | |
| - | - |
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viewstamped-replication-made-famous
- Tiger Beetle Viewstamped Replication Challenge
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Why you might want a domain-specific database like TigerBeetleDB
...and there's also an open bug bounty so if you think that Zig is not a meaningful improvement over C in terms of safety, it's certainly going to be easy money for you :^)
https://github.com/tigerbeetledb/viewstamped-replication-mad...
viewstamped-replication-made-famous
- A $20k distributed consensus protocol challenge
- A $20k distributed consensus protocol bug bounty challenge
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Caches, Modes, and Unstable Systems
As an example of this in distributed systems:
There's a classic metastability issue in probably most implementations of state machine replication protocols such as Raft, where a lagging follower, if it sees an op that's newer than what it's expecting, must first repair and catch up its state (FIFO) before it can ACK back to the leader.
Apart from introducing latency in the critical path, this can lead to really bad queueing behavior where the lagging follower queues the latest request from the leader while it first catches up, but because this catch up can take seconds or minutes, in that time the pending request queue has also overflowed, and now we're back to state transfer catch up all over again, a vicious cycle.
Raft requires this bimodal latency distribution for correctness.
However, there is a new approach that we developed for TigerBeetle [1] to eliminate this bimodality and achieve constant ACK latencies from all followers, no matter their state, that we'll be sharing as part of Viewstamped Replication Made Famous [2], a $20,000 consensus challenge launching in September.
[1] https://www.tigerbeetle.com
[2] https://github.com/coilhq/viewstamped-replication-made-famou...
What are some alternatives?
tigerbeetle - The distributed financial transactions database designed for mission critical safety and performance.
tigerbeetle - A distributed financial accounting database designed for mission critical safety and performance. [Moved to: https://github.com/tigerbeetledb/tigerbeetle]
consensus - Entry point for consensus algorithm
xdagj - XDAGJ is an implementation of XDAG in Java. https://xdag.io
Awesome-Hacking - A collection of various awesome lists for hackers, pentesters and security researchers
DistributedSystemNotes - Notes on Lindsey Kuper's lectures on Distributed Systems
viewstamped-replication-made-famou
viewstamped-replication-mad
SPOW - Safe Proof of Work
rusty-kaspa - Kaspa full-node and related libraries in the Rust programming language. This is a Beta version at the final testing phases.
POUW - Safe Proof of Work