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Distributed, fault-tolerant, persistent, auto-increment ID generation service with Raft consensus.

Support bothREST API andgRPC protocol.

Support different storage for Raft log:Bitcask andBadger via--storage flag

Please refer to thispage for more detail.

Clone the project:

git clone https://github.com/ldmtam/raft-auto-increment

Change directory toraft-auto-increment

cd raft-auto-increment

Startnode 1, this node will be the leader by default.node 1 will serve requests at port3000.

make run1

Start other 2 nodes by running following commands.node 2 andnode 3 will be slaves ofnode 1 and serve requests at port13000,23000 respectively.

make run2make run3

Get next available ID for keyfoo:

curl http://localhost:3000/auto-increment/one/foo

Get last inserted ID for keyfoo:

curl http://localhost:3000/auto-increment/last-inserted/foo

Get next 10 available IDs for keybar:

curl http://localhost:3000/auto-increment/many/bar/10

You can send request tonode 2 andnode 3 as well. Requests will be automatically forwarded to master node (node 1),

curl http://localhost:13000/auto-increment/one/bar

curl http://localhost:23000/auto-increment/last-inserted/bar