apache / apache/parquet-java

ParquetRewriter should keep SizeStatistics

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Component: Hadoop Component: Parquet Priority: Major Type: enhancement
Dominant language
Java
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Description

This is a follow-up work item of https://issues.apache.org/jira/browse/PARQUET-2261

**Reporter**: [Gang Wu](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=wgtmac) / @wgtmac
**Assignee**: [Gang Wu](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=wgtmac) / @wgtmac

**Note**: *This issue was originally created as [PARQUET-2434](https://issues.apache.org/jira/browse/PARQUET-2434). 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 by reading the linked PARQUET-2261 issue and the migration documentation referenced in the issue. Trace the ParquetRewriter work described there and determine the expected SizeStatistics preservation behavior; the work is done when that requirement is specified and verified by the relevant project tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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