pingcap / pingcap/tiflash

Automatic Compression Dictionary

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type/feature-request
Dominant language
C++
Stars
1k
Forks
423
Avg merge
1d 15h
Merged PRs (30d)
24

Description

Feature Request

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

Describe the feature you'd like:

Maybe we can try to introduce automatic compression dictionary like DB2.

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy:

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

No files, tests, or entry points are named in the issue. Start by understanding TiFlash's current compression behavior and reviewing the linked DB2 table-level dictionary documentation; done should include an agreed design and implementation scope for automatic compression dictionaries.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
databases
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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