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https://issues.apache.org/jira/browse/IMPALA-10791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yida Wu closed IMPALA-10791.
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Fix Version/s: Impala 4.2.0
Resolution: Fixed
> Add Support of Batch Reading for Spilling to Remote FS
> ------------------------------------------------------
>
> Key: IMPALA-10791
> URL: https://issues.apache.org/jira/browse/IMPALA-10791
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Yida Wu
> Assignee: Yida Wu
> Priority: Major
> Fix For: Impala 4.2.0
>
>
> Impala allows spilling to a remote filesystem, like S3. The rate of uploading
> the spilled data to the remote filesystem is fast, but the speed of reading
> from the remote is slow because each time only one page is read from the
> remote filesystem while we do per upload per file.
>
> The task aims to improve the reading performance of the spilling to a remote
> filesystem by using batch reading.
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