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raft: leader respond to learner read index message #220

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merged 4 commits into from
Apr 30, 2019
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nolouch
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@nolouch nolouch commented Apr 18, 2019

In a cluster with 1 leader and 1 learner, read request in learner will get an empty read index.
pick from: etcd-io/etcd#10590

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CLAassistant commented Apr 18, 2019

CLA assistant check
All committers have signed the CLA.

@nolouch nolouch changed the title raft: leader reponnds to learner read index message raft: leader respond to learner read index message Apr 18, 2019
@nolouch nolouch requested review from hicqu and Hoverbear April 18, 2019 09:31
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Great Catch, CI failed

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nolouch commented Apr 29, 2019

PTAL @Hoverbear @hicqu @ice1000

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LGTM

@Hoverbear Hoverbear added this to the 0.6.0 milestone Apr 29, 2019
@Hoverbear Hoverbear added the Bug Recognized misbehavior. label Apr 29, 2019
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hicqu commented Apr 30, 2019

LGTM

@nolouch nolouch merged commit 0e6fe65 into master Apr 30, 2019
@nolouch nolouch deleted the fix-learner-index branch April 30, 2019 03:03
overvenus pushed a commit that referenced this pull request May 8, 2019
@overvenus overvenus mentioned this pull request May 8, 2019
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hicqu commented May 8, 2019

LGTM

overvenus added a commit that referenced this pull request May 8, 2019
* raft: leader respond to learner read index message (#220)

Signed-off-by: nolouch <[email protected]>

* Bump to v0.4.3

Signed-off-by: Neil Shen <[email protected]>
hicqu pushed a commit to hicqu/raft-rs that referenced this pull request Jul 17, 2019
* raft: leader respond to learner read index message (tikv#220)

Signed-off-by: nolouch <[email protected]>

* Bump to v0.4.3

Signed-off-by: Neil Shen <[email protected]>
Hoverbear pushed a commit that referenced this pull request Jul 19, 2019
* Check pending conf change before campaign (#225)

Fix #221.

* Add more convenient lite-weight interfaces (#227)

This PR introduces two simple and lite weight interfaces:
- ping to trigger heartbeats without ticking,
- status_ref to borrow the progress set instead of cloning.

* *: bump to 0.4.2 (#228)

* Bump to v0.4.3 (#231)

* raft: leader respond to learner read index message (#220)

Signed-off-by: nolouch <[email protected]>

* Bump to v0.4.3

Signed-off-by: Neil Shen <[email protected]>

* Request snapshot (#243)

Signed-off-by: Neil Shen <[email protected]>

* fix tests

* cargo fmt

* address comments.
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