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CHANGELOG-3.4: log raft prober change

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Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
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Gyuho Lee
2019-08-16 09:02:47 -07:00
parent 4a2b4c8f7e
commit 4a6bf3552e
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CHANGELOG-3.4.md
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@@ -579,6 +579,9 @@ Note: **v3.5 will deprecate `etcd --log-package-levels` flag for `capnslog`**; `
- necessary in the situation in which a learner has been promoted (i.e. is now a voter) but has not learned about this yet.
- Fix [restoring joint consensus](https://github.com/etcd-io/etcd/pull/11003).
- Visit [`Progress` in stable order](https://github.com/etcd-io/etcd/pull/11004).
- Proactively [probe newly added followers](https://github.com/etcd-io/etcd/pull/11037).
- The general expectation in `tracker.Progress.Next == c.LastIndex` is that the follower has no log at all (and will thus likely need a snapshot), though the app may have applied a snapshot out of band before adding the replica (thus making the first index the better choice).
- Previously, when the leader applied a new configuration that added voters, it would not immediately probe these voters, delaying when they would be caught up.
### Package `wal`