pingcap/tiflow

support setting which tables are managed by the same ticdc instance

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#971 opened on Sep 27, 2020

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help wanted

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Description

consider there are several DML statements in one txn, and these DML manipulate several different tables, in order to achieve the ACID of the downstream database, it will be helpful if TiCDC supports to set “table groups”, and keeping the tables in one group to be managed by the same TiCDC instance.

Contributor guide

Research direction
Inspect the TiCDC architecture and table scheduling logic in the tiflow repo; design a mechanism to group tables and assign them to the same TiCDC instance.
Tech stack
go
Domain
databasedistributed systems
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoDistributed Systems Concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45