Disable crc checksums by default
- Dominant language
- Java
- Stars
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- 3d 12h
- Merged PRs (30d)
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Description
CRC checksums have been introduced in 1.11.0. This negatively impacts performance, and I would like to make it an opt-in choice.
**Reporter**: [Fokko Driesprong](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=fokko) / @Fokko
**Assignee**: [Fokko Driesprong](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=fokko) / @Fokko
#### PRs and other links:
- [GitHub Pull Request #700](https://github.com/apache/parquet-mr/pull/700)
**Note**: *This issue was originally created as [PARQUET-1695](https://issues.apache.org/jira/browse/PARQUET-1695). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*
Contributor guide
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Research direction
Start with Pull Request #700 and the original PARQUET-1695 issue linked in the description to understand the proposed checksum-default change. Verify that checksums become opt-in while the existing choice remains available; the issue names no source files or tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 20/100