eBay / eBay/Gringofts

Gringofts mLeaderId & Role inconsistent for very short time

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Dominant language
C++
Stars
110
Forks
33
PR merge metrics
No merged PRs in 30d

Description

SetVoteFor, setCurrentTerm locate between mRole and set mLeaderId, but they need to finish disk operation. If setVoteFor and setCurrentTerm are blocked by unknown reason, there will be inconsistent value for mRole and mLeaderID

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing SetVoteFor and setCurrentTerm and how their disk operations relate to mRole and mLeaderId. Done means a blocked operation cannot leave those values inconsistent; the issue names no files or tests, so locating the relevant implementation and validation path is part of the work.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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