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https://issues.apache.org/jira/browse/PARQUET-1759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated PARQUET-1759:
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Labels: pull-request-available (was: )
> InternalParquetRecordReader Use Singleton Set
> ---------------------------------------------
>
> Key: PARQUET-1759
> URL: https://issues.apache.org/jira/browse/PARQUET-1759
> Project: Parquet
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Labels: pull-request-available
>
> https://github.com/apache/parquet-mr/blob/d85a8f5dcfc1381655fcccaa81a2e83ba812f6a4/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/InternalParquetRecordReader.java#L260-L262
> Code currently instantiates a {{HashSet}} (with a default internal data
> structure of size 16}} and then makes it immutable. Use Collection#singleton
> to achieve this same goal with fewer lines of code and less memory
> requirements.
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