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Posted to dev@parquet.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/07/24 06:36:00 UTC
[jira] [Commented] (PARQUET-1580) Page-level CRC checksum
verification for DataPageV1
[ https://issues.apache.org/jira/browse/PARQUET-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16891631#comment-16891631 ]
ASF GitHub Bot commented on PARQUET-1580:
-----------------------------------------
Fokko commented on pull request #647: PARQUET-1580: Page-level CRC checksum verfication for DataPageV1
URL: https://github.com/apache/parquet-mr/pull/647
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> Page-level CRC checksum verification for DataPageV1
> ---------------------------------------------------
>
> Key: PARQUET-1580
> URL: https://issues.apache.org/jira/browse/PARQUET-1580
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Reporter: Boudewijn Braams
> Assignee: Boudewijn Braams
> Priority: Major
> Labels: pull-request-available
>
> Now that the specification with respect to page level checksums has been clarified (see https://jira.apache.org/jira/browse/PARQUET-1539), we can actually implement it. What needs to be done:
> * Implement calculating and writing checksums on write path
> * Implement checksum validation on read path
> * Make writing out checksums and validation on reads optional (default off)
> * Implement tests
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