[jira] [Commented] (PARQUET-2176) Parquet writers should allow for configurable index/statistics truncation

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PARQUET-2176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17584199#comment-17584199 ] 

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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