diff --git a/CHANGELOG-3.1.md b/CHANGELOG-3.1.md index e05d81501..ec422ad20 100644 --- a/CHANGELOG-3.1.md +++ b/CHANGELOG-3.1.md @@ -1,4 +1,16 @@ -## [v3.1.12](https://github.com/coreos/etcd/releases/tag/v3.1.12) (TBD) + +## [v3.1.13](https://github.com/coreos/etcd/releases/tag/v3.1.13) (TBD) + +See [code changes](https://github.com/coreos/etcd/compare/v3.1.12...v3.1.13) and [v3.1 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_1.md) for any breaking changes. + +### Improved + +- Adjust [election timeout on server restart](https://github.com/coreos/etcd/pull/9415) to reduce [disruptive rejoining servers](https://github.com/coreos/etcd/issues/9333). + - Previously, etcd fast-forwards election ticks on server start, with only one tick left for leader election. This is to speed up start phase, without having to wait until all election ticks elapse. Advancing election ticks is useful for cross datacenter deployments with larger election timeouts. However, it was affecting cluster availability if the last tick elapses before leader contacts the restarted node. + - Now, when etcd restarts, it adjusts election ticks with more than one tick left, thus more time for leader to prevent disruptive restart. + + +## [v3.1.12](https://github.com/coreos/etcd/releases/tag/v3.1.12) (2018-03-08) See [code changes](https://github.com/coreos/etcd/compare/v3.1.11...v3.1.12) and [v3.1 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_1.md) for any breaking changes. diff --git a/CHANGELOG-3.2.md b/CHANGELOG-3.2.md index 29fe94cd0..710fbda6d 100644 --- a/CHANGELOG-3.2.md +++ b/CHANGELOG-3.2.md @@ -1,6 +1,16 @@ +## [v3.2.18](https://github.com/coreos/etcd/releases/tag/v3.2.18) (TBD) + +See [code changes](https://github.com/coreos/etcd/compare/v3.2.17...v3.2.18) and [v3.2 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_2.md) for any breaking changes. + +### Improved + +- Adjust [election timeout on server restart](https://github.com/coreos/etcd/pull/9415) to reduce [disruptive rejoining servers](https://github.com/coreos/etcd/issues/9333). + - Previously, etcd fast-forwards election ticks on server start, with only one tick left for leader election. This is to speed up start phase, without having to wait until all election ticks elapse. Advancing election ticks is useful for cross datacenter deployments with larger election timeouts. However, it was affecting cluster availability if the last tick elapses before leader contacts the restarted node. + - Now, when etcd restarts, it adjusts election ticks with more than one tick left, thus more time for leader to prevent disruptive restart. + -## [v3.2.17](https://github.com/coreos/etcd/releases/tag/v3.2.17) (TBD) +## [v3.2.17](https://github.com/coreos/etcd/releases/tag/v3.2.17) (2018-03-08) See [code changes](https://github.com/coreos/etcd/compare/v3.2.16...v3.2.17) and [v3.2 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_2.md) for any breaking changes. diff --git a/CHANGELOG-3.3.md b/CHANGELOG-3.3.md index 139746198..2fe5dbc9d 100644 --- a/CHANGELOG-3.3.md +++ b/CHANGELOG-3.3.md @@ -5,9 +5,9 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.2...v3.3.3) and [ ### Improved -- Adjust [election timeout on server restart](https://github.com/coreos/etcd/pull/9364) to reduce [disruptive rejoining servers](https://github.com/coreos/etcd/issues/9333). +- Adjust [election timeout on server restart](https://github.com/coreos/etcd/pull/9415) to reduce [disruptive rejoining servers](https://github.com/coreos/etcd/issues/9333). - Previously, etcd fast-forwards election ticks on server start, with only one tick left for leader election. This is to speed up start phase, without having to wait until all election ticks elapse. Advancing election ticks is useful for cross datacenter deployments with larger election timeouts. However, it was affecting cluster availability if the last tick elapses before leader contacts the restarted node. - - Now, when etcd restarts, it does not fast-forward election ticks. + - Now, when etcd restarts, it adjusts election ticks with more than one tick left, thus more time for leader to prevent disruptive restart. ## [v3.3.2](https://github.com/coreos/etcd/releases/tag/v3.3.2) (2018-03-08)