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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2017/03/08 17:59:38 UTC
[jira] [Commented] (HADOOP-14000) s3guard metadata stores to
support millons of children
[ https://issues.apache.org/jira/browse/HADOOP-14000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901669#comment-15901669 ]
Steve Loughran commented on HADOOP-14000:
-----------------------------------------
HADOOP-14159 covers changes into Hadoop's APIs and use thereof to support millions of files in a directory
> s3guard metadata stores to support millons of children
> ------------------------------------------------------
>
> Key: HADOOP-14000
> URL: https://issues.apache.org/jira/browse/HADOOP-14000
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: HADOOP-13345
> Reporter: Steve Loughran
>
> S3 repos can have millions of child entries
> Currently {{DirListingMetaData}} can't and {{MetadataStore.listChildren(Path path)}} won't be able to handle directories that big, for listing, deleting or naming.
> We will need a paged response from the listing operation, something which can be iterated over.
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