pingcap / pingcap/tidb-binlog

Drainer: support plugin to support cyclic replication etc.

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#886 3 comments 3 reactions 0 assignees View on GitHub

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feature-request
Dominant language
Go
Stars
291
Forks
131
Avg merge
5m
Merged PRs (30d)
2

Description

Feature Request

Is your feature request related to a problem? Please describe:

So far, DM and Drainer can not support cyclic replication.

Describe the feature you'd like:

Drainer support cyclic replication.

Describe alternatives you've considered:

By adding plugin module, Drainer will gain the ability to support cyclic replication. Meanwhile, increases the expansibility of Drainer.

Teachability, Documentation, Adoption, Migration Strategy:

Contributor guide

Open the contributing guide

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

The issue concerns adding plugin support to Drainer so it can handle cyclic replication. No files, tests, or entry points are named; begin by locating Drainer's replication flow and plugin-related code. Done means cyclic replication works through the proposed plugin module, with appropriate validation and documentation.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
distributed-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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