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https://issues.apache.org/jira/browse/PARQUET-2176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17584199#comment-17584199
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ASF GitHub Bot commented on PARQUET-2176:
-----------------------------------------
patchwork01 opened a new pull request, #989:
URL: https://github.com/apache/parquet-mr/pull/989
Make sure you have checked _all_ steps below.
### Jira
- [x] My PR addresses the following [Parquet
Jira](https://issues.apache.org/jira/browse/PARQUET/) issues and references
them in the PR title. For example, "PARQUET-1234: My Parquet PR"
- https://issues.apache.org/jira/browse/PARQUET-2176
### Tests
- [x] My PR adds the following unit tests __OR__ does not need testing for
this extremely good reason:
- Truncation for column index and statistics in
`TestParquetWriterTruncation`
### Commits
- [x] My commits all reference Jira issues in their subject lines. In
addition, my commits follow the guidelines from "[How to write a good git
commit message](http://chris.beams.io/posts/git-commit/)":
1. Subject is separated from body by a blank line
1. Subject is limited to 50 characters (not including Jira issue reference)
1. Subject does not end with a period
1. Subject uses the imperative mood ("add", not "adding")
1. Body wraps at 72 characters
1. Body explains "what" and "why", not "how"
### Documentation
- [x] In case of new functionality, my PR adds documentation that describes
how to use it.
- All the public functions and the classes in the PR contain Javadoc that
explain what it does
> Parquet writers should allow for configurable index/statistics truncation
> -------------------------------------------------------------------------
>
> Key: PARQUET-2176
> URL: https://issues.apache.org/jira/browse/PARQUET-2176
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Affects Versions: 1.12.3
> Reporter: patchwork01
> Priority: Major
>
> ParquetWriter does not expose any way to set the properties for column index
> or statistics truncation.
> With ParquetOutputFormat those can be set with
> parquet.columnindex.truncate.length and parquet.statistics.truncate.length.
> These are not applied for ParquetWriter.
> See also:
> https://github.com/apache/parquet-mr/blob/master/parquet-hadoop/README.md
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