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Posted to issues-all@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2022/02/21 01:31:00 UTC

[jira] [Updated] (IMPALA-11037) Bump ORC to 1.7-p4 to contain the improvement of ORC-1020

     [ https://issues.apache.org/jira/browse/IMPALA-11037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quanlong Huang updated IMPALA-11037:
------------------------------------
    Attachment: perf-report-ORC-1020-tpch-42.txt

> 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
>             Fix For: Impala 4.1.0
>
>         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, perf-report-ORC-1020-tpch-42.txt
>
>
> 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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