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https://issues.apache.org/jira/browse/IMPALA-13590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang resolved IMPALA-13590.
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Fix Version/s: Impala 4.5.0
Resolution: Fixed
Resolving this. Thank [~eyizoha] !
> The CACHELINE_ALIGNED of PerFilterState may not work on dynamic allocations
> ---------------------------------------------------------------------------
>
> Key: IMPALA-13590
> URL: https://issues.apache.org/jira/browse/IMPALA-13590
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 4.4.1
> Reporter: Zihao Ye
> Assignee: Zihao Ye
> Priority: Major
> Fix For: Impala 4.5.0
>
>
> The PerFilterState class is marked with CACHELINE_ALIGNED:
> [https://github.com/apache/impala/blob/8416432cc3e656b6c5fa230d4075ba64e0f3d091/be/src/runtime/runtime-filter-bank.h#L300]
> And its creation is dynamic:
> [https://github.com/apache/impala/blob/8416432cc3e656b6c5fa230d4075ba64e0f3d091/be/src/runtime/runtime-filter-bank.cc#L116]
> According to this response, such a combination may be ineffective:
> [https://stackoverflow.com/questions/19251360/attribute-alignedx-doesnt-work-on-dynamic-allocations].
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