dss: add Raft Lab 2D code - Githubissues

pingcap / talent-plan

open source training courses about distributed database and distributed systems

https://tidb.io/talent-plan

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dss: add Raft Lab 2D code #397

Closed wangrunji0408 closed 3 years ago

wangrunji0408 commented 3 years ago

What problem does this PR solve?

Breif description of the problem: Add lab 2D code from MIT 6.824 (Spring 2021).

What is changed and how it works?

Add 1 test for lab 2A.
Add 5 tests for lab 2D.
Add 2 interfaces between service and Raft: snapshot and cond_install_snapshot.
Update Config for handling snapshot apply messages.

Here is my solution with these changes that can pass lab 2D: https://github.com/wangrunji0408/talent-plan/tree/0362b3abcd6731649284b32b408a743273a1b63f

Check List

Tests

Unit test
Integration test

Side effects

None

Related changes

Need to update the documentation

Connor1996 commented 3 years ago

/cc @overvenus