sofastack/sofa-jraft

RFC: Add streaming APIs (RpcClient, RpcServer)

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#856 建立於 2022年6月24日

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 (5 留言) (0 反應) (1 負責人)Java (3,406 star) (1,125 fork)batch import
enhancementhelp wanted

描述

Add streaming APIs (RpcClient, RpcServer), implement it based on gRPC.

This is a subtask that belongs to the first step of #672 In this subtask, we need a streaming impl, for the leader (client) to continuously send raft logs to followers.

Main goals:

  • Add streaming API to RpcClient and RpcServer
  • Implement streaming based on gRPC (We are not going to use bolt to implement)

貢獻者指南

技術棧
javagrpc
領域
backendapi
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
4
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
3-5 days
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Java programminggRPC basicsRaft algorithm fundamentals
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
25
研究方向
Study the existing RpcClient and RpcServer interfaces (jraft core/src/main/java/com/alipay/sofa/jraft/rpc/). Based on gRPC streaming, design and implement streaming versions. Refer to subtask #672 for context. The implementation should allow leader to continuously send raft logs to followers. Consider using gRPC's bidirectional streaming.