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https://issues.apache.org/jira/browse/HADOOP-17961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17600397#comment-17600397
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Steve Loughran commented on HADOOP-17961:
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actually, the really slick way to do this is parse the XML responses through a
SAX parser and so get the results incrementally, which we would be streamed
direct to the iterators.
this would ensure the fewest #of requests (cost and efficiency), but deliver
the lowest latencies possible between request issued and the first listing
entries coming back
> s3 and abfs incremental listing: ask for a smaller first batch
> --------------------------------------------------------------
>
> Key: HADOOP-17961
> URL: https://issues.apache.org/jira/browse/HADOOP-17961
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure, fs/s3
> Affects Versions: 3.3.2
> Reporter: Steve Loughran
> Priority: Minor
>
> With code gradually adopting listStatusIncremental(), asking for a smaller
> initial batch could permit faster ramp of result processing.
> probably most significant on an s3 versioned bucket, as there the need to
> skip tombstones can result in significantly slower listings -but could
> benefit ABFS too
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