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doc: add note about removal of leader mod

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Blake Mizerany 2014-06-19 17:08:12 -07:00
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2 changed files with 4 additions and 4 deletions
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4
Documentation/api.md
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@ -843,13 +843,13 @@ The client is told the write was successful and the keyspace is updated.
Meanwhile F2 has partitioned from the network and will have an out-of-date version of the keyspace until the partition resolves.
Since F2 missed the most recent write, a client reading from F2 will have an out-of-date version of the keyspace.
## Lock Module (*Deprecated*)
## Lock Module (*Deprecated and Removed*)
The lock module is used to serialize access to resources used by clients.
Multiple clients can attempt to acquire a lock but only one can have it at a time.
Once the lock is released, the next client waiting for the lock will receive it.
**Warning:** This module is deprecated at v0.4. See [Modules][modules] for more details.
**Warning:** This module is deprecated and removed at v0.4. See [Modules][modules] for more details.
### Acquiring a Lock

4
Documentation/modules.md
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@ -1,7 +1,7 @@
## Modules
etcd has a number of modules that are built on top of the core etcd API.
These modules provide things like dashboards, locks and leader election.
These modules provide things like dashboards, locks and leader election (removed).
**Warning**: Modules are deprecated from v0.4 until we have a solid base we can apply them back onto.
For now, we are choosing to focus on raft algorithm and core etcd to make sure that it works correctly and fast.
@ -81,7 +81,7 @@ curl -X DELETE http://127.0.0.1:4001/mod/v2/lock/customer1?value=bar
```
### Leader Election
### Leader Election (Deprecated and Removed in 0.4)
The Leader Election module wraps the Lock module to allow clients to come to consensus on a single value.
This is useful when you want one server to process at a time but allow other servers to fail over.