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Posted to common-issues@hadoop.apache.org by "Gabor Bota (Jira)" <ji...@apache.org> on 2020/02/12 12:25:00 UTC
[jira] [Assigned] (HADOOP-15964) Add S3A support for Async
Scatter/Gather IO
[ https://issues.apache.org/jira/browse/HADOOP-15964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gabor Bota reassigned HADOOP-15964:
-----------------------------------
Assignee: Gabor Bota
> Add S3A support for Async Scatter/Gather IO
> -------------------------------------------
>
> Key: HADOOP-15964
> URL: https://issues.apache.org/jira/browse/HADOOP-15964
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Gabor Bota
> Priority: Major
>
> HADOOP-11867 is proposing adding a new scatter/gather IO API.
> For an object store to take advantage of it, it should be doing things like
> * coalescing reads even with a gap between them
> * choosing an optimal ordering of requests
> * submitting reads into the executor pool/using any async API provided by the FS.
> * detecting overlapping reads (and then what?)
> * switching to HTTP 2 where supported
> Do this for S3A
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