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基于Raft一致性协议的分布式存储系统,参考阿里巴巴SOFAJRaft并使用Java从零实现。Distributed storage system based on Raft consistency protocol, referencing Alibaba SOFAJRaft and implemented from scratch using Java

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CoderiGenius/RocksRaft

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RocksRaft

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  • 基于Raft一致性协议的分布式存储系统,参考阿里巴巴SOFAJRaft并使用Java从零实现。
  • Distributed storage system based on Raft consistency protocol, referencing Alibaba SOFAJRaft and implemented from scratch using Java

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Quick start

  • Basic requirement
    • JDK 1.8+
    • IntelliJ idea
    • maven
  • Clone project
git clone https://github.com/CoderiGenius/RocksRaft.git
  • Import in to idea as maven project
  • Config and start the example of 3 nodes scenario.
    • Config the three yml files in src/main/resources
    • Start the main function with files listed below
      • src/main/java/Start.java
      • src/main/java/Start2.java
      • src/main/java/Start3.java
  • Wait until the nodes come up.
  • Run the src/main/java/ClientExample.java
  • You should be able to see the log of appendEnties and the procedures of applying to statemachine.
  • Log example:
WARN:appendEntriesRequest CHECK:index 0 dataIsEmpty:false 
WARN:checkBallotBoxToApply applied:Voting currentIndex:0 length:1 stableLogIndex:0 
INFO:Ballot box invokes apply at index 0 length 1 with grant list [PeerId{endpoint=localhost:12220, checksum=0}, PeerId{endpoint=localhost:12230, checksum=0}]
INFO:doCommitted at 1 iterImpl:IteratorImpl [fsm=core.CustomStateMachine@22d116d, logManager=core.LogManagerImplNew@61295f0, currentIndex=1, committedIndex=1, currEntry=entity.LogEntry@ceafe80, applyingIndex=1, error=null,isGood=true] isGood:true
INFO:Apply to fsm at 1
INFO:Log 1 has been applied to stateMachine
INFO:Receive follower raft-3 applied  firstIndex :0 lastIndex:0
INFO:Receive follower raft-1 applied  firstIndex :0 lastIndex:0

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基于Raft一致性协议的分布式存储系统,参考阿里巴巴SOFAJRaft并使用Java从零实现。Distributed storage system based on Raft consistency protocol, referencing Alibaba SOFAJRaft and implemented from scratch using Java

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