[erlang-questions] [ANN] Tansu - An Erlang Raft based KV and lock store

[Chandru]

Hi Peter,

That's great, I've always wanted an Erlang implementation of etcd :-)

That said, what are your reasons for developing this when we already have
etcd?

cheers,
Chandru


On 9 May 2016 at 11:48, Peter Morgan <peter.james.morgan@REDACTED> wrote:

> Hello -
>
> Tansu is a distributed key/value store designed to maintain configuration
> and other data that must be highly available. It uses the Raft consensus
> algorithm for leadership and distribution of state amongst its members.
> Node discovery is via mDNS and will automatically form a mesh of nodes
> sharing the same environment. It provides a simple REST based KV and lock
> API.
>
> Tansu is available as a Docker image - starting a 5 node cluster is as
> simple as:
>
> for i in {1..5}; do
>     docker run \
>         --name tansu-$(printf %03d $i) \
>         -d shortishly/tansu;
> done
>
> Setting a value with a TTL of 10 seconds on a random node:
>
> curl \
>     -H "Content-Type: application/json" \
>     -H "ttl: 10" \
>     -i \
>     http://$(docker inspect \
>         --format={{.NetworkSettings.IPAddress}} \
>         tansu-$(printf %03d $[1 + $[RANDOM % 5]]))/api/keys/hello \
>     --data-binary '{"ephemeral": true}'
>
> Getting a value from a random node:
>
> curl \
>     -i \
>     -s \
>     http://$(docker inspect \
>             --format={{.NetworkSettings.IPAddress}} \
>             tansu-$(printf %03d $[1 + $[RANDOM % 5]]))/api/keys/hello
>
> Locks, event streams and more details are available at
> https://github.com/shortishly/tansu.
>
> Thanks,
> Peter.
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