1.3.0 release

[fengjiachun]

• unit test
• jepsen verification
  • configuration-test: remove and add a random node
  • bridge-test: weaving the network into happy little intersecting majority rings
  • pause-test: pausing random node with SIGSTOP/SIGCONT
  • crash-test: killing random nodes and restarting them
  • partition-test: Cuts the network into randomly chosen halves
  • partition-majority-test: Cuts the network into randomly majority groups
• release note
• release
• add release log @SteNicholas

[zongtanghu]

Nice!!!

[fengjiachun]

---

1.3.0

2019-11-29

• Features
  • 新增 Read-only member(learner) 角色，支持 learner 节点上的线性一致读 Impl learner for jraft, #8 #312
  • 实现优先级选举 Priority-based semi-deterministic leader election. #334
  • 在 multi raft group 的场景中，随机打散每个 group 的第一次 snapshot timeout 时间，避免一个进程内多个 group 同时 snapshot Feature/some changes #358
  • RheaKV 新增 containsKey API (feat) contains key api #302
  • RheaKV 实现 snapshot checksum 以及异步 snapshot feat/async snapshot #287
  • 新增 replicator 的 state 监听器： ReplicatorStateListener Implement ReplicatorStateListener for Replicator consecutiveErrorTimes enhancement #256
  • RepeatedTimer 的默认实现替换为 HashedWheelTimer (feat) Enhancement with RepeatedTimer by HashedWheelTimer #258
  • 修复 windows 上定时器 CPU 消耗偏高的问题。 HashedWheelTimer cost too many CPU times #311
  • kill -s SIGUSR2 pid 中增加打印 rocksdb stats 和所有 ThreadPool 指标统计信息
  • 升级 rocksdb 版本到 5.18.3
  • 新增实验性质的 RocksDBSegmentLogStorage，适合 value 较大的数据存储 Segment log storage #156
  • Counter 例子改进，演示 ReadIndex 线性一致读
  • 优化 checksum 中多余的 mem copy feat/avoid copy of checksum #293
• Bug Fixex
  • 删除数据并重启且期间没有新的 task 提交的情况下 prev log index 紊乱的修复 (fix) ISSUE[254] #255
  • 修复一些选举和线性一致读相关的 corner case (fix) Iterator#setErrorAndRollback may break ReadIndex promise, #317 #361 Feature/some changes #358
  • Recyclers 多个线程 recycle 资源时的 NPE 修复 About NullPointerException in Recycles #355
• Breaking Changes
  • 无
• 致谢（排名不分先后）
  @zongtanghu
  @Devyun
  @masaimu
  @SteNicholas
  @yetingsky

[SteNicholas]

@fengjiachun I will update this release note soon.

[fengjiachun]

@fengjiachun I will update this release note soon.

tks

[killme2008]

@fengjiachun release note 不全，最好全部都加上，不要嫌麻烦。我记得还有：

• 新增实验性质的 RocksDBSegmentLogStorage，适合 value 较大的数据存储。 Segment log storage #156
• 修复 windows 上定时器 CPU 消耗偏高的问题。 HashedWheelTimer cost too many CPU times #311
• Counter 例子改进，演示 ReadIndex 线性一致读
• 修复一些选举和线性一致读的 corner case (fix) Iterator#setErrorAndRollback may break ReadIndex promise, #317 #361 Feature/some changes #358

[SteNicholas]

@fengjiachun The release notes of sofastack.tech has already modified.

[fengjiachun]

@fengjiachun The release notes of sofastack.tech has already modified.

nice，tks