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https://issues.apache.org/jira/browse/IMPALA-11037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17452700#comment-17452700
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ASF subversion and git services commented on IMPALA-11037:
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Commit d467a2f96d0ca03c77aae1b30b2bcacfff20a8e1 in impala's branch
refs/heads/master from stiga-huang
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=d467a2f ]
IMPALA-11037: Bump ORC to 1.7.0-p4
This patch bumps the ORC version from 1.7.0-p3 to 1.7.0-p4 to contain
the improvement of ORC-1020.
Change-Id: I8444c6f8ff4addbaa33dbb64d8bfd937ab1db1bf
Reviewed-on: http://gerrit.cloudera.org:8080/18060
Reviewed-by: Csaba Ringhofer <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Bump ORC to 1.7-p4 to contain the improvement of ORC-1020
> ---------------------------------------------------------
>
> Key: IMPALA-11037
> URL: https://issues.apache.org/jira/browse/IMPALA-11037
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
> Attachments: orc_1.7.0-p3_random_int32.svg,
> orc_1.7.0-p3_random_int64.svg, orc_1.7.0-p4_random_int32.svg,
> orc_1.7.0-p4_random_int64.svg
>
>
> ORC-1020 improves read performance of the ORC library in scanning random
> integers. Columns that encoded into integers, e.g. dictionary encoded
> strings, will also benifit from this.
> This Jira aims to add ORC-1020 to our native-toolchain and bump our orc
> version to 1.7-p4 to contain it.
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