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https://issues.apache.org/jira/browse/IMPALA-6219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-6219.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.12.0
                   Impala 3.0

> Use AES-GCM for spill-to-disk encryption when CLMUL instruction is present 
> and performant
> -----------------------------------------------------------------------------------------
>
>                 Key: IMPALA-6219
>                 URL: https://issues.apache.org/jira/browse/IMPALA-6219
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>    Affects Versions: Impala 2.11.0
>            Reporter: Jim Apple
>            Assignee: Xianda Ke
>            Priority: Major
>             Fix For: Impala 3.0, Impala 2.12.0
>
>
> See parent ticket: IMPALA-6128. AES-GCM can be very fast, but it requires an 
> instruction that Impala can currently run without (CLMUL) in order to be 
> fast, so we could dispatch at run-time based on the CPU, using this mode when 
> it is fast.



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