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https://issues.apache.org/jira/browse/PARQUET-2395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17792692#comment-17792692
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ASF GitHub Bot commented on PARQUET-2395:
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Fokko commented on PR #1218:
URL: https://github.com/apache/parquet-mr/pull/1218#issuecomment-1837993326
@wgtmac Two things:
- `singletonList` is completely immutable, while with `asList` you can still
mutate the reference.
- `singletonList` is not backed by an array, reducing the memory footprint.
> Prefer `singletonList` over `asList`
> ------------------------------------
>
> Key: PARQUET-2395
> URL: https://issues.apache.org/jira/browse/PARQUET-2395
> Project: Parquet
> Issue Type: Improvement
> Affects Versions: 1.13.1
> Reporter: Fokko Driesprong
> Assignee: Fokko Driesprong
> Priority: Major
> Fix For: 1.14.0
>
>
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