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https://issues.apache.org/jira/browse/PARQUET-2258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Wu updated PARQUET-2258:
-----------------------------
    Fix Version/s: 1.13.0
                       (was: 1.12.3)

> 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: 1.13.0
>
>         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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