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Posted to issues-all@impala.apache.org by "Sahil Takiar (Jira)" <ji...@apache.org> on 2019/09/17 20:37:00 UTC
[jira] [Work started] (IMPALA-8942) Set file format specific values
for split sizes on non-block stores
[ https://issues.apache.org/jira/browse/IMPALA-8942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on IMPALA-8942 started by Sahil Takiar.
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> Set file format specific values for split sizes on non-block stores
> -------------------------------------------------------------------
>
> Key: IMPALA-8942
> URL: https://issues.apache.org/jira/browse/IMPALA-8942
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Reporter: Sahil Takiar
> Assignee: Sahil Takiar
> Priority: Major
>
> Parquet scans on non-block based storage systems (e.g. S3, ADLS, etc.) can suffer from uneven scan range assignment due to the behavior described in IMPALA-3453. The frontend should set different split sizes depending on the file type and file system.
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