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Posted to issues@kudu.apache.org by "Grant Henke (Jira)" <ji...@apache.org> on 2020/06/01 21:45:00 UTC

[jira] [Commented] (KUDU-1695) C++ client support for zero copy scans

    [ https://issues.apache.org/jira/browse/KUDU-1695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17121355#comment-17121355 ] 

Grant Henke commented on KUDU-1695:
-----------------------------------

Some work on this has been started here:
https://gerrit.cloudera.org/#/c/15706/

> C++ client support for zero copy scans
> --------------------------------------
>
>                 Key: KUDU-1695
>                 URL: https://issues.apache.org/jira/browse/KUDU-1695
>             Project: Kudu
>          Issue Type: New Feature
>          Components: client, perf
>    Affects Versions: 1.0.0
>            Reporter: Matthew Jacobs
>            Priority: Major
>              Labels: impala
>
> Copying tuples from the Kudu client is expensive. Impala would like to be able avoid this copy if the Kudu client can provide a mechanism to transfer the memory ownership.



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