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https://issues.apache.org/jira/browse/PARQUET-2258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17701296#comment-17701296
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ASF GitHub Bot commented on PARQUET-2258:
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abstractdog commented on PR #1040:
URL: https://github.com/apache/parquet-mr/pull/1040#issuecomment-1472336285
thanks a lot @gszadovszky and @wgtmac for the reviews!
let me know I have to do anything else in order to have this merged
> 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
> 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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