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https://issues.apache.org/jira/browse/ARROW-10351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17338940#comment-17338940
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David Li commented on ARROW-10351:
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Encryption is supported in the form of TLS. In the past, benchmarks showed it
had quite a big hit, but I haven't tested recently. That would also be a useful
thing to check.
> [C++][Flight] See if reading/writing to gRPC get/put streams asynchronously
> helps performance
> ---------------------------------------------------------------------------------------------
>
> Key: ARROW-10351
> URL: https://issues.apache.org/jira/browse/ARROW-10351
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, FlightRPC
> Reporter: Wes McKinney
> Priority: Major
>
> We don't use any asynchronous concepts in the way that Flight is implemented
> now, i.e. IPC deconstruction/reconstruction (which may include compression!)
> is not performed concurrent with moving FlightData objects through the gRPC
> machinery, which may yield suboptimal performance.
> It might be better to apply an actor-type approach where a dedicated thread
> retrieves and prepares the next raw IPC message (within a Future) while the
> current IPC message is being processed -- that way reading/writing to/from
> the gRPC stream is not blocked on the IPC code doing its thing.
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