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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/04/12 13:03:00 UTC
[jira] [Updated] (ARROW-11924) [C++] Provide streaming output from
GetFileInfo
[ https://issues.apache.org/jira/browse/ARROW-11924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-11924:
-----------------------------------
Labels: pull-request-available (was: )
> [C++] Provide streaming output from GetFileInfo
> -----------------------------------------------
>
> Key: ARROW-11924
> URL: https://issues.apache.org/jira/browse/ARROW-11924
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 3.0.0
> Reporter: Ben Kietzman
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> For situations where a monolithic call to GetFileInfo will be slow, it would be useful to immediately receive any results which *are* ready through an {{AsyncGenerator<std::vector<FileInfo>>}} or so. This is probably a prerequisite of ARROW-8163, where the goal is to begin scanning known fragments while other fragments are still being discovered.
> IIUC, one concrete example would be paging through a long output from S3's ListObjectsV2.
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