@@ -42,7 +42,7 @@ load, network & computer capacity.
4242
4343_ ArangoSync_ performs replication in a ** single direction** only. That means that
4444you can replicate data from cluster _ A_ to cluster _ B_ or from cluster _ B_ to
45- cluster _ A_ , but never at the same time (one master , one or more slave clusters).
45+ cluster _ A_ , but never at the same time (one leader , one or more follower clusters).
4646<br />Data modified in the destination cluster ** will be lost!**
4747
4848Replication is a completely ** autonomous** process. Once it is configured it is
@@ -51,14 +51,14 @@ designed to run 24/7 without frequent manual intervention.
5151<br />As with any distributed system some attention is needed to monitor its operation
5252and keep it secure (e.g. certificate & password rotation).
5353
54- In the event of an outage of the master cluster, user intervention is required
55- to either bring the master back up or to decide on making a slave cluster the
56- new master . There is no automatic failover as slave clusters lag behind the master
57- because of network latency etc. and resuming operation with the state of a slave
54+ In the event of an outage of the leader cluster, user intervention is required
55+ to either bring the leader back up or to decide on making a follower cluster the
56+ new leader . There is no automatic failover as follower clusters lag behind the leader
57+ because of network latency etc. and resuming operation with the state of a follower
5858cluster can therefore result in the loss of recent writes. How much can be lost
59- largely depends on the data rate of the master cluster and the delay between
60- the master and the slaves. Slaves will typically be behind the master by a couple
61- of seconds or minutes.
59+ largely depends on the data rate of the leader cluster and the delay between
60+ the leader and the follower clusters. Followers will typically be behind the
61+ leader by a couple of seconds or minutes.
6262
6363Once configured, _ ArangoSync_ will replicate both ** structure and data** of an
6464** entire cluster** . This means that there is no need to make additional configuration
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