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https://issues.apache.org/jira/browse/IMPALA-9040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-9040:
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Component/s: Backend
> Read performance improvements in ORC support
> --------------------------------------------
>
> Key: IMPALA-9040
> URL: https://issues.apache.org/jira/browse/IMPALA-9040
> Project: IMPALA
> Issue Type: Epic
> Components: Backend
> Reporter: Quanlong Huang
> Priority: Major
>
> Performance improvements in ORC scanner includes memory management, async-io,
> Codegen, predicates pushdown etc.
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