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https://issues.apache.org/jira/browse/PARQUET-2258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17701568#comment-17701568
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Gabor Szadovszky commented on PARQUET-2258:
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Thanks for fixing this, [~abstractdog]!
As far as I understood this is not a serious issue so I don't think we need to
include it in a patch release. If you agree please update the version number to
{{1.13.0}}. (I usually don't bother selecting version numbers which is targeted
by {{master}}. We'll set them in a bulk update based on the changelog.)
> Storing toString fields in FilterPredicate instances can lead to memory
> pressure
> --------------------------------------------------------------------------------
>
> Key: PARQUET-2258
> URL: https://issues.apache.org/jira/browse/PARQUET-2258
> Project: Parquet
> Issue Type: Improvement
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
> Fix For: 1.12.3
>
> Attachments: Parquet_Predicate_toString_memory.png,
> image-2023-03-14-13-27-54-008.png
>
>
> It happens with Hive (HiveServer2), a certain amount of predicate instances
> can make HiveServer2 OOM. According to the heapdump and background
> information, the predicates must have been simplified a bit, but still,
> storing toString in the objects looks very weird.
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