![\"cover\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260729051018-6a698b3a0ff02.png\")
<\/p>\n<\/p>\n
\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u91cc，\u6570\u636e\u4e00\u81f4\u6027\u662f\u6700\u8ba9\u4eba\u5934\u75bc\u7684\u95ee\u9898\u3002\u5ba2\u6237\u7aef\u5199\u5165\u4e00\u6761\u6570\u636e，\u5f97\u4fdd\u8bc1\u591a\u4e2a\u526f\u672c\u4e0a\u90fd\u6709\u8fd9\u4efd\u6570\u636e，\u8fd9\u6837\u624d\u80fd\u65e2\u6301\u4e45\u53c8\u53ef\u7528\u3002\u4f46\u73b0\u5b9e\u5f88\u9aa8\u611f：\u7f51\u7edc\u4f1a\u5206\u533a\u3001\u8282\u70b9\u4f1a\u5b95\u673a\u3001\u6d88\u606f\u8fd8\u4f1a\u4e71\u5e8f\u3002\u8fd9\u4e9b\u6545\u969c\u662f\u5e38\u6001，\u4e00\u65e6\u5904\u7406\u4e0d\u597d，\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u6570\u636e\u5c31\u4f1a\u5bf9\u4e0d\u4e0a\u53f7\u3002<\/p>\n
\u5982\u679c\u6ca1\u6709\u4e00\u81f4\u6027\u534f\u8bae\u515c\u5e95，\u96c6\u7fa4\u9762\u5bf9\u6545\u969c\u65f6\u53ea\u6709\u4e24\u6761\u8def：\u8981\u4e48\u505c\u670d\u4fdd\u4e00\u81f4，\u8981\u4e48\u63a5\u7740\u8dd1\u4f46\u6570\u636e\u4e71\u4e86\u3002\u8fd9\u4e24\u6761\u5728\u751f\u4ea7\u73af\u5883\u91cc\u90fd\u662f\u6b7b\u8def\u3002<\/p>\n
Raft \u534f\u8bae\u628a\u5171\u8bc6\u95ee\u9898\u62c6\u6210\u4e86\u4e09\u5757：\u9009\u4e3b\u3001\u65e5\u5fd7\u590d\u5236\u3001\u5b89\u5168\u4fdd\u8bc1\u3002\u8fd9\u4e48\u62c6\u4e4b\u540e，\u7406\u89e3\u96be\u5ea6\u548c\u5b9e\u73b0\u590d\u6742\u5ea6\u90fd\u6bd4 Paxos \u4f4e\u4e86\u4e0d\u5c11，\u4f46\u4e00\u81f4\u6027\u8bed\u4e49\u6ca1\u6253\u6298\u3002\u5de5\u7a0b\u4e0a，Raft \u7684\u72b6\u6001\u673a\u6a21\u578b\u5f88\u6e05\u6670，\u4ee3\u7801\u5199\u51fa\u6765\u5bb9\u6613\u6d4b\u3001\u5bb9\u6613\u9a8c\u3002\u8fd9\u4e5f\u662f etcd\u3001Consul\u3001TiKV \u8fd9\u4e9b\u751f\u4ea7\u7cfb\u7edf\u90fd\u9009 Raft \u7684\u539f\u56e0\u3002<\/p>\n
\u4e0d\u8fc7，Raft \u8bba\u6587\u770b\u7740\u7b80\u5355，\u771f\u843d\u5730\u4e0a\u5751\u4e0d\u5c11\u3002\u9009\u4e3e\u8d85\u65f6\u7684\u6296\u52a8\u600e\u4e48\u8bbe\u3001\u65e5\u5fd7\u600e\u4e48\u538b\u7f29\u548c\u5feb\u7167\u3001\u7ebf\u6027\u4e00\u81f4\u6027\u8bfb\u600e\u4e48\u641e\u3001\u7f51\u7edc\u5206\u533a\u540e\u600e\u4e48\u6062\u590d，\u8fd9\u4e9b\u8bba\u6587\u91cc\u8f7b\u63cf\u6de1\u5199\u7684\u5730\u65b9，\u6070\u6070\u662f\u751f\u4ea7\u73af\u5883\u91cc\u6700\u5bb9\u6613\u8e29\u96f7\u7684\u3002<\/p>\n
Raft \u628a\u6bcf\u4e2a\u8282\u70b9\u770b\u4f5c\u4e00\u4e2a\u6709\u9650\u72b6\u6001\u673a，\u89d2\u8272\u5c31\u4e09\u79cd：Follower\u3001Candidate\u3001Leader\u3002Leader \u8d1f\u8d23\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42，\u628a\u65e5\u5fd7\u590d\u5236\u5230 Follower；Follower \u88ab\u52a8\u6536\u65e5\u5fd7；Candidate \u662f\u9009\u4e3e\u671f\u95f4\u7684\u4e34\u65f6\u89d2\u8272，\u8d85\u65f6\u4e86\u5c31\u53d1\u8d77\u9009\u4e3e\u3002<\/p>\n
stateDiagram-v2
\n [*] –> Follower : \u8282\u70b9\u542f\u52a8<\/p>\n
Follower –> Candidate : \u9009\u4e3e\u8d85\u65f6<br\/>\u672a\u6536\u5230 Leader \u5fc3\u8df3
\n Candidate –> Leader : \u83b7\u5f97\u591a\u6570\u6d3e\u6295\u7968
\n Candidate –> Follower : \u6536\u5230\u66f4\u9ad8 Term \u7684\u5fc3\u8df3
\n Candidate –> Follower : \u9009\u4e3e\u8d85\u65f6<br\/>\u672a\u83b7\u591a\u6570\u7968<\/p>\n
Leader –> Follower : \u53d1\u73b0\u66f4\u9ad8 Term \u7684\u8bf7\u6c42<\/p>\n
state Leader {
\n [*] –> \u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42
\n \u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42 –> \u8ffd\u52a0\u672c\u5730\u65e5\u5fd7
\n \u8ffd\u52a0\u672c\u5730\u65e5\u5fd7 –> \u5e76\u884c\u590d\u5236\u5230Follower
\n \u5e76\u884c\u590d\u5236\u5230Follower –> \u7b49\u5f85\u591a\u6570\u6d3e\u786e\u8ba4
\n \u7b49\u5f85\u591a\u6570\u6d3e\u786e\u8ba4 –> \u63d0\u4ea4\u65e5\u5fd7
\n \u63d0\u4ea4\u65e5\u5fd7 –> \u5e94\u7528\u5230\u72b6\u6001\u673a
\n \u5e94\u7528\u5230\u72b6\u6001\u673a –> \u54cd\u5e94\u5ba2\u6237\u7aef
\n }<\/p>\n
state Follower {
\n [*] –> \u63a5\u6536AppendEntries
\n \u63a5\u6536AppendEntries –> \u65e5\u5fd7\u4e00\u81f4\u6027\u68c0\u67e5
\n \u65e5\u5fd7\u4e00\u81f4\u6027\u68c0\u67e5 –> \u8ffd\u52a0\u65e5\u5fd7\u6216\u62d2\u7edd
\n \u8ffd\u52a0\u65e5\u5fd7\u6216\u62d2\u7edd –> \u786e\u8ba4\u63d0\u4ea4\u7d22\u5f15
\n }<\/p>\n
\u65e5\u5fd7\u590d\u5236\u7684\u6d41\u7a0b\u5176\u5b9e\u4e0d\u590d\u6742：Leader \u628a\u5ba2\u6237\u7aef\u8bf7\u6c42\u6253\u5305\u6210\u65e5\u5fd7\u6761\u76ee，\u5b58\u5230\u672c\u5730，\u7136\u540e\u5e76\u884c\u53d1\u7ed9\u6240\u6709 Follower\u3002\u7b49\u8fd9\u6761\u65e5\u5fd7\u5728\u591a\u6570\u8282\u70b9\u4e0a\u90fd\u5b58\u4e0a\u4e86，Leader \u5c31\u628a\u5b83\u6807\u8bb0\u4e3a\u5df2\u63d0\u4ea4（Committed），\u518d\u901a\u77e5 Follower \u66f4\u65b0\u63d0\u4ea4\u7d22\u5f15\u3002\u4e00\u65e6\u63d0\u4ea4，\u65e5\u5fd7\u5c31\u80fd\u5b89\u5168\u5730\u5e94\u7528\u5230\u72b6\u6001\u673a，\u7ed3\u679c\u5bf9\u5ba2\u6237\u7aef\u53ef\u89c1\u3002<\/p>\n
\u65e5\u5fd7\u4e00\u81f4\u6027\u68c0\u67e5\u662f\u5b89\u5168\u6027\u7684\u6838\u5fc3\u3002AppendEntries RPC \u91cc\u5e26\u7740 prev_log_index \u548c prev_log_term，Follower \u5728\u8ffd\u52a0\u65e5\u5fd7\u524d，\u5f97\u5148\u770b\u770b\u672c\u5730\u5bf9\u5e94\u4f4d\u7f6e\u7684\u65e5\u5fd7\u8ddf RPC \u91cc\u7684\u4fe1\u606f\u5bf9\u5f97\u4e0a\u4e0d\u3002\u5bf9\u4e0d\u4e0a\u5c31\u62d2\u7edd，Leader \u5f97\u56de\u9000\u91cd\u8bd5\u3002\u8fd9\u79cd\u9010\u6761\u56de\u9000\u7684\u673a\u5236\u4fdd\u8bc1\u4e86：\u53ea\u8981\u4e24\u4e2a\u65e5\u5fd7\u5728\u67d0\u4e2a\u7d22\u5f15\u4e0a\u4e00\u6837，\u90a3\u8fd9\u4e2a\u7d22\u5f15\u4e4b\u524d\u7684\u6240\u6709\u65e5\u5fd7\u4e5f\u90fd\u4e00\u6837\u3002<\/p>\n
\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u5b9e\u73b0\u4e86 Raft \u7684\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u8ddf\u5173\u952e\u903b\u8f91，\u5305\u62ec\u72b6\u6001\u8f6c\u6362\u3001\u65e5\u5fd7\u8ffd\u52a0\u548c\u9009\u4e3e\u3002<\/p>\n
use std::collections::HashMap;<\/p>\n
\/\/\/ Raft \u8282\u70b9\u89d2\u8272
\n#[derive(Debug, Clone, Copy, PartialEq)]
\npub enum Role {
\n Follower,
\n Candidate,
\n Leader,
\n}<\/p>\n
\/\/\/ \u65e5\u5fd7\u6761\u76ee
\n#[derive(Debug, Clone)]
\npub struct LogEntry {
\n pub term: u64,
\n pub index: u64,
\n pub command: Vec<u8>,
\n}<\/p>\n
\/\/\/ Raft \u6301\u4e45\u5316\u72b6\u6001（\u53d8\u66f4\u524d\u5fc5\u987b\u6301\u4e45\u5316\u5230\u7a33\u5b9a\u5b58\u50a8）
\n#[derive(Debug, Clone)]
\npub struct PersistentState {
\n pub current_term: u64,
\n pub voted_for: Option<u64>,
\n pub log: Vec<LogEntry>,
\n}<\/p>\n
\/\/\/ Raft \u6613\u5931\u72b6\u6001
\n#[derive(Debug)]
\npub struct VolatileState {
\n pub commit_index: u64,
\n pub last_applied: u64,
\n}<\/p>\n
\/\/\/ Leader \u4e13\u6709\u7684\u6613\u5931\u72b6\u6001
\n#[derive(Debug)]
\npub struct LeaderState {
\n \/\/\/ \u6bcf\u4e2a Follower \u7684\u4e0b\u4e00\u4e2a\u590d\u5236\u7d22\u5f15
\n pub next_index: HashMap<u64, u64>,
\n \/\/\/ \u6bcf\u4e2a Follower \u7684\u5df2\u5339\u914d\u7d22\u5f15
\n pub match_index: HashMap<u64, u64>,
\n}<\/p>\n
\/\/\/ Raft \u8282\u70b9\u6838\u5fc3\u7ed3\u6784
\npub struct RaftNode {
\n pub id: u64,
\n pub peers: Vec<u64>,
\n pub role: Role,
\n pub persistent: PersistentState,
\n pub volatile: VolatileState,
\n pub leader_state: Option<LeaderState>,
\n}<\/p>\n
impl RaftNode {
\n pub fn new(id: u64, peers: Vec<u64>) -> Self {
\n Self {
\n id,
\n peers,
\n role: Role::Follower,
\n persistent: PersistentState {
\n current_term: 0,
\n voted_for: None,
\n log: Vec::new(),
\n },
\n volatile: VolatileState {
\n commit_index: 0,
\n last_applied: 0,
\n },
\n leader_state: None,
\n }
\n }<\/p>\n
\/\/\/ \u5904\u7406 RequestVote RPC
\n \/\/\/ \u6838\u5fc3\u89c4\u5219：\u6bcf\u4e2a Term \u53ea\u6295\u4e00\u7968，\u4e14\u5019\u9009\u4eba\u7684\u65e5\u5fd7\u81f3\u5c11\u4e0e\u81ea\u5df1\u4e00\u6837\u65b0
\n pub fn handle_request_vote(
\n &mut self,
\n candidate_id: u64,
\n candidate_term: u64,
\n candidate_last_log_index: u64,
\n candidate_last_log_term: u64,
\n ) -> (bool, u64) {
\n \/\/ \u5982\u679c\u5019\u9009\u4eba\u7684 Term \u66f4\u9ad8，\u5148\u56de\u9000\u5230 Follower
\n if candidate_term > self.persistent.current_term {
\n self.step_down(candidate_term);
\n }<\/p>\n
if candidate_term < self.persistent.current_term {
\n return (false, self.persistent.current_term);
\n }<\/p>\n
\/\/ \u68c0\u67e5\u662f\u5426\u5df2\u6295\u7968\u7ed9\u5176\u4ed6\u5019\u9009\u4eba
\n let grant_vote = match self.persistent.voted_for {
\n Some(voted_id) if voted_id != candidate_id => false,
\n _ => {
\n \/\/ \u65e5\u5fd7\u5b8c\u6574\u6027\u68c0\u67e5：\u5019\u9009\u4eba\u7684\u65e5\u5fd7\u81f3\u5c11\u4e0e\u81ea\u5df1\u4e00\u6837\u65b0
\n let my_last = self.last_log();
\n let candidate_is_up_to_date = candidate_last_log_term > my_last.term
\n || (candidate_last_log_term == my_last.term
\n && candidate_last_log_index >= my_last.index);
\n candidate_is_up_to_date
\n }
\n };<\/p>\n
if grant_vote {
\n self.persistent.voted_for = Some(candidate_id);
\n \/\/ \u6301\u4e45\u5316 voted_for（\u751f\u4ea7\u73af\u5883\u4e2d\u5199\u5165\u7a33\u5b9a\u5b58\u50a8）
\n }<\/p>\n
(grant_vote, self.persistent.current_term)
\n }<\/p>\n
\/\/\/ \u5904\u7406 AppendEntries RPC
\n \/\/\/ \u8fd4\u56de (success, current_term)
\n pub fn handle_append_entries(
\n &mut self,
\n leader_term: u64,
\n prev_log_index: u64,
\n prev_log_term: u64,
\n entries: Vec<LogEntry>,
\n leader_commit: u64,
\n ) -> (bool, u64) {
\n if leader_term < self.persistent.current_term {
\n return (false, self.persistent.current_term);
\n }<\/p>\n
\/\/ \u6536\u5230\u5408\u6cd5 Leader \u7684\u5fc3\u8df3，\u56de\u9000\u5230 Follower
\n if self.role != Role::Follower {
\n self.step_down(leader_term);
\n }<\/p>\n
\/\/ \u65e5\u5fd7\u4e00\u81f4\u6027\u68c0\u67e5
\n if prev_log_index > 0 {
\n match self.get_log_entry(prev_log_index) {
\n Some(entry) if entry.term == prev_log_term => {}
\n _ => return (false, self.persistent.current_term),
\n }
\n }<\/p>\n
\/\/ \u8ffd\u52a0\u65b0\u65e5\u5fd7\u6761\u76ee（\u5904\u7406\u51b2\u7a81：\u622a\u65ad\u4e0d\u4e00\u81f4\u7684\u90e8\u5206）
\n for entry in entries {
\n match self.get_log_entry(entry.index) {
\n Some(existing) if existing.term == entry.term => {
\n \/\/ \u65e5\u5fd7\u4e00\u81f4，\u8df3\u8fc7
\n }
\n Some(_) => {
\n \/\/ \u51b2\u7a81：\u622a\u65ad\u4ece\u6b64\u7d22\u5f15\u5f00\u59cb\u7684\u6240\u6709\u65e5\u5fd7
\n self.persistent.log.truncate(
\n (entry.index as usize).saturating_sub(1),
\n );
\n self.persistent.log.push(entry);
\n }
\n None => {
\n self.persistent.log.push(entry);
\n }
\n }
\n }<\/p>\n
\/\/ \u66f4\u65b0\u63d0\u4ea4\u7d22\u5f15
\n if leader_commit > self.volatile.commit_index {
\n let last_new_index = self.persistent.log.last()
\n .map(|e| e.index)
\n .unwrap_or(0);
\n self.volatile.commit_index =
\n leader_commit.min(last_new_index);
\n }<\/p>\n
(true, self.persistent.current_term)
\n }<\/p>\n
\/\/\/ Leader \u63a8\u8fdb\u63d0\u4ea4\u7d22\u5f15
\n \/\/\/ \u89c4\u5219：\u627e\u5230\u88ab\u591a\u6570\u8282\u70b9\u590d\u5236\u7684\u6700\u9ad8\u65e5\u5fd7\u7d22\u5f15
\n pub fn advance_commit_index(&mut self) {
\n if self.role != Role::Leader {
\n return;
\n }<\/p>\n
let leader_state = self.leader_state.as_ref().unwrap();
\n let mut match_indices: Vec<u64> = leader_state
\n .match_index
\n .values()
\n .copied()
\n .collect();
\n match_indices.push(self.last_log().index);
\n match_indices.sort_by(|a, b| b.cmp(a));<\/p>\n
\/\/ \u591a\u6570\u6d3e\u4e2d\u4f4d\u6570\u5373\u4e3a\u53ef\u63d0\u4ea4\u7d22\u5f15
\n let majority_idx = self.peers.len() \/ 2;
\n let new_commit = match_indices[majority_idx];<\/p>\n
\/\/ \u53ea\u80fd\u63d0\u4ea4\u5f53\u524d Term \u7684\u65e5\u5fd7（Raft \u5b89\u5168\u6027\u7ea6\u675f）
\n if new_commit > self.volatile.commit_index {
\n if let Some(entry) = self.get_log_entry(new_commit) {
\n if entry.term == self.persistent.current_term {
\n self.volatile.commit_index = new_commit;
\n }
\n }
\n }
\n }<\/p>\n
fn step_down(&mut self, new_term: u64) {
\n self.persistent.current_term = new_term;
\n self.persistent.voted_for = None;
\n self.role = Role::Follower;
\n self.leader_state = None;
\n }<\/p>\n
fn last_log(&self) -> &LogEntry {
\n self.persistent.log.last().unwrap_or(&LogEntry {
\n term: 0,
\n index: 0,
\n command: Vec::new(),
\n })
\n }<\/p>\n
fn get_log_entry(&self, index: u64) -> Option<&LogEntry> {
\n if index == 0 {
\n return None;
\n }
\n self.persistent.log.get((index – 1) as usize)
\n }
\n}<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u57fa\u672c\u7167\u7740 Raft \u8bba\u6587\u7684\u72b6\u6001\u5b9a\u4e49\u548c RPC \u89c4\u5219\u5199\u7684\u3002handle_request_vote \u91cc\u7684\u65e5\u5fd7\u5b8c\u6574\u6027\u68c0\u67e5，\u4fdd\u8bc1\u4e86\u53ea\u6709\u65e5\u5fd7\u66f4\u5b8c\u6574\u7684\u5019\u9009\u4eba\u624d\u80fd\u62ff\u5230\u7968；handle_append_entries \u91cc\u7684\u65e5\u5fd7\u622a\u65ad\u903b\u8f91，\u5904\u7406\u4e86 Leader \u5207\u6362\u540e\u53ef\u80fd\u51fa\u73b0\u7684\u65e5\u5fd7\u4e0d\u4e00\u81f4；advance_commit_index \u91cc\u201c\u53ea\u63d0\u4ea4\u5f53\u524d Term \u65e5\u5fd7\u201d\u7684\u7ea6\u675f，\u662f Raft \u5b89\u5168\u6027\u8bc1\u660e\u7684\u5173\u952e\u3002<\/p>\n
Raft \u7684\u5f3a Leader \u6a21\u578b\u786e\u5b9e\u597d\u7406\u89e3，\u4f46\u5c40\u9650\u6027\u4e5f\u6446\u5728\u90a3\u513f\u3002<\/p>\n
\u5199\u5165\u74f6\u9888\u662f\u6700\u76f4\u63a5\u7684\u3002\u6240\u6709\u5ba2\u6237\u7aef\u8bf7\u6c42\u90fd\u5f97\u7ecf\u8fc7 Leader，Leader \u7684\u541e\u5410\u91cf\u5c31\u662f\u6574\u4e2a\u96c6\u7fa4\u7684\u5199\u5165\u4e0a\u9650\u3002\u8de8\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72\u7684\u65f6\u5019，\u5ba2\u6237\u7aef\u8ddf Leader \u4e4b\u95f4\u7684\u7f51\u7edc\u5ef6\u8fdf，\u76f4\u63a5\u5f71\u54cd\u5199\u5165\u6027\u80fd\u3002Paxos \u7684 Multi-Paxos \u53d8\u4f53\u5141\u8bb8\u591a\u4e2a\u8282\u70b9\u540c\u65f6\u5f53\u4e0d\u540c\u65e5\u5fd7\u69fd\u4f4d\u7684 Leader，\u7406\u8bba\u4e0a\u5199\u5165\u5e76\u884c\u5ea6\u80fd\u66f4\u9ad8，\u4f46\u5b9e\u73b0\u590d\u6742\u5ea6\u4e0a\u53bb\u4e86\u4e00\u5927\u622a\u3002<\/p>\n
Leader \u5207\u6362\u7684\u53ef\u7528\u6027\u95f4\u9699\u4e5f\u662f\u4e2a\u95ee\u9898\u3002Leader \u4e00\u6302，\u96c6\u7fa4\u5f97\u7ecf\u5386\u4e00\u8f6e\u9009\u4e3e\u624d\u80fd\u6062\u590d\u5199\u5165\u3002\u9009\u4e3e\u8017\u65f6\u770b\u8d85\u65f6\u914d\u7f6e，\u4e00\u822c 150ms-300ms\u3002\u8fd9\u6bb5\u65f6\u95f4\u96c6\u7fa4\u5bf9\u5ba2\u6237\u7aef\u6765\u8bf4\u5c31\u662f\u4e0d\u53ef\u7528\u7684\u3002\u5bf9\u53ef\u7528\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f，\u53ef\u4ee5\u7528\u9884\u9009\u4e3e（Pre-Vote）\u673a\u5236，\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684 Term \u9012\u589e，\u7f29\u77ed\u6062\u590d\u65f6\u95f4\u3002<\/p>\n
\u65e5\u5fd7\u81a8\u80c0\u662f\u53e6\u4e00\u4e2a\u5751\u3002Raft \u7684\u65e5\u5fd7\u53ea\u589e\u4e0d\u51cf，\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u641e\u5feb\u7167：\u628a\u72b6\u6001\u673a\u5f53\u524d\u72b6\u6001\u5e8f\u5217\u5316\u5b58\u8d77\u6765，\u7136\u540e\u628a\u5feb\u7167\u91cc\u7684\u65e5\u5fd7\u6761\u76ee\u622a\u6389\u3002\u5feb\u7167\u4f20\u8f93\u6570\u636e\u91cf\u5927，\u6162\u901f\u7f51\u7edc\u4e0a Follower \u5bb9\u6613\u957f\u65f6\u95f4\u6ede\u540e\u3002etcd \u7684\u505a\u6cd5\u662f\u589e\u91cf\u5feb\u7167\u4f20\u8f93，\u53ea\u53d1\u5dee\u5f02\u90e8\u5206\u3002<\/p>\n
\u9002\u7528\u8fb9\u754c：Raft \u9002\u5408\u4e2d\u5c0f\u89c4\u6a21\u96c6\u7fa4（3-9 \u8282\u70b9）\u3001\u5f3a\u4e00\u81f4\u6027\u8981\u6c42\u3001\u8bfb\u591a\u5199\u5c11\u7684\u573a\u666f\u3002\u5927\u89c4\u6a21\u96c6\u7fa4\u3001\u8de8\u5730\u57df\u90e8\u7f72\u3001\u8d85\u9ad8\u5199\u5165\u541e\u5410\u7684\u573a\u666f，\u5f97\u8003\u8651 Paxos \u53d8\u4f53\u6216\u8005 EPaxos \u8fd9\u79cd\u53bb\u4e2d\u5fc3\u5316\u534f\u8bae\u3002<\/p>\n
Raft \u628a\u5171\u8bc6\u95ee\u9898\u62c6\u6210\u9009\u4e3b\u3001\u65e5\u5fd7\u590d\u5236\u3001\u5b89\u5168\u4fdd\u8bc1\u4e09\u5757，\u7ed9\u5206\u5e03\u5f0f\u4e00\u81f4\u6027\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5de5\u7a0b\u4e0a\u80fd\u843d\u5730\u7684\u65b9\u6848\u3002\u5f3a Leader \u6a21\u578b\u867d\u7136\u7b80\u5316\u4e86\u5b9e\u73b0，\u4f46\u4e5f\u5e26\u6765\u4e86\u5199\u5165\u74f6\u9888\u548c\u53ef\u7528\u6027\u95f4\u9699，\u5f97\u9760\u9884\u9009\u4e3e\u3001\u5feb\u7167\u4f20\u8f93\u3001\u7ebf\u6027\u4e00\u81f4\u6027\u8bfb\u8fd9\u4e9b\u5de5\u7a0b\u624b\u6bb5\u6765\u8865\u3002<\/p>\n
\u843d\u5730\u5efa\u8bae：\u5148\u4ece etcd\/raft-rs \u8fd9\u4e9b\u6210\u719f\u5b9e\u73b0\u5165\u624b，\u5148\u9a8c\u8bc1\u4e1a\u52a1\u573a\u666f\u8ddf Raft \u6a21\u578b\u5339\u4e0d\u5339\u914d，\u518d\u6839\u636e\u6027\u80fd\u74f6\u9888\u51b3\u5b9a\u8981\u4e0d\u8981\u5b9a\u5236\u4f18\u5316\u3002\u6838\u5fc3\u539f\u5219\u5c31\u4e00\u4e2a：\u5171\u8bc6\u534f\u8bae\u7684\u9009\u62e9\u4e0d\u662f\u627e\u7406\u8bba\u6700\u4f18\u89e3，\u800c\u662f\u5728\u5de5\u7a0b\u7ea6\u675f\u4e0b\u505a\u52a1\u5b9e\u7684\u6743\u8861\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Raft \u5171\u8bc6\u534f\u8bae\u5de5\u7a0b\u5b9e\u73b0：\u4ece\u9009\u4e3e\u5230\u65e5\u5fd7\u590d\u5236\u7684\u5206\u5e03\u5f0f\u4e00\u81f4\u6027\u6784\u5efa\u4e00\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6570\u636e\u540c\u6b65\u96be\u9898
\n\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u91cc，\u6570\u636e\u4e00\u81f4\u6027\u662f\u6700\u8ba9\u4eba\u5934\u75bc\u7684\u95ee\u9898\u3002\u5ba2\u6237\u7aef\u5199\u5165\u4e00\u6761\u6570\u636e，\u5f97\u4fdd\u8bc1\u591a\u4e2a\u526f\u672c\u4e0a\u90fd\u6709\u8fd9\u4efd\u6570\u636e，\u8fd9\u6837\u624d\u80fd\u65e2\u6301\u4e45\u53c8\u53ef\u7528\u3002\u4f46\u73b0\u5b9e\u5f88\u9aa8\u611f：\u7f51\u7edc\u4f1a\u5206\u533a\u3001\u8282\u70b9\u4f1a\u5b95\u673a\u3001\u6d88\u606f\u8fd8\u4f1a\u4e71\u5e8f\u3002\u8fd9\u4e9b\u6545\u969c\u662f\u5e38\u6001，\u4e00\u65e6\u5904\u7406\u4e0d\u597d，\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u6570\u636e\u5c31\u4f1a\u5bf9\u4e0d\u4e0a\u53f7\u3002
\n\u5982\u679c\u6ca1\u6709\u4e00\u81f4\u6027\u534f\u8bae\u515c\u5e95，\u96c6\u7fa4\u9762\u5bf9\u6545\u969c\u65f6\u53ea\u6709\u4e24<\/p>\n","protected":false},"author":2,"featured_media":86907,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[50],"topic":[],"class_list":["post-86908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-50"],"yoast_head":"\n