Released 1.1.3.Final

[José Bolina]

Hello, everyone

I would like to inform you about the release of version 1.1.3.Final.

This one has two very nice improvements:

1. Learner role [1]. This allows for read-only replicas that don't count towards quorum. Nodes joining the cluster outside of the RAFT membership will default to read-only replicas. This permits expanding the cluster with new nodes more easily.

2. Read-only operations [2]. Originally, all operations go through the same replication path: persist to log, collect accepts, commit entries, and move index. Operations that don't change the state machine can be submitted as read-only. These operations are batched under a commit index, and once the leader collects a quorum of accepts, it applies the batch of operations without writing to disk. 

Thanks, everyone! With these two pieces in place, I'll focus on version 2.0. 

Cheers,

[1] https://github.com/jgroups-extras/jgroups-raft/issues/354

[2] https://github.com/jgroups-extras/jgroups-raft/issues/18

[Bela Ban]

Congrats!

Are learner roles and read-only operations explained in the docs? Couldn't find anything at a cursory glance...
Cheers

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