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docs(api): make Cluster Config API part clearer

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Yicheng Qin 2014-05-05 18:49:21 -07:00
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Documentation/api.md
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@ -1200,7 +1200,7 @@ curl -L http://127.0.0.1:4001/v2/stats/store
## Cluster Config
Cluster config manages cluster properties to ensure both fault tolerance and high performance.
The configuration endpoint manages shared cluster wide properties.
### Set Cluster Config
@ -1215,7 +1215,7 @@ curl -L http://127.0.0.1:7001/v2/admin/config -XPUT -d '{"activeSize":3, "promot
}
```
`activeSize` indicates expected active peer-mode instances in the cluster.
`activeSize` is the maximum number of peers that can join the cluster and participate in the consensus protocol.
The size of cluster is controlled to be around a certain number. If it is not, it will promote standby-mode instances or demote peer-mode instances to make it happen.