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https://issues.apache.org/jira/browse/PARQUET-1750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17101729#comment-17101729
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ASF GitHub Bot commented on PARQUET-1750:
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belugabehr commented on pull request #735:
URL: https://github.com/apache/parquet-mr/pull/735#issuecomment-625297512
@Fokko I took a look at this once more and thought I could make it even a
little neater. Please take a look. Thanks!! In regards to testing, there is
already a `TestRowRanges` class to validate.
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> Reduce Memory Usage of RowRanges Class
> --------------------------------------
>
> Key: PARQUET-1750
> URL: https://issues.apache.org/jira/browse/PARQUET-1750
> Project: Parquet
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Labels: pull-request-available
>
> {{RowRanges}} maintains an internal {{ArrayList}} with a default capacity
> (10). However, sometimes it is known ahead of time that only a single
> instance of {{Range}} will be added. For these cases, do not instantiate an
> {{ArrayList}}
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