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https://issues.apache.org/jira/browse/HADOOP-13651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15616734#comment-15616734
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Mingliang Liu commented on HADOOP-13651:
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{quote}
this relationship is carried through into the latest HADOOP-13449 patch from
Mingliang Liu.
{quote}
which is by design. I prefer to live in a world where {{DynamoDBMetadataStore}}
is immutable and confined by one S3AFileSystem. I don't expect it being
initialized multiple times. What do we lose in the current implicit 1:1 mapping?
> S3Guard: S3AFileSystem Integration with MetadataStore
> -----------------------------------------------------
>
> Key: HADOOP-13651
> URL: https://issues.apache.org/jira/browse/HADOOP-13651
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Aaron Fabbri
> Assignee: Aaron Fabbri
> Attachments: HADOOP-13651-HADOOP-13345.001.patch,
> HADOOP-13651-HADOOP-13345.002.patch, HADOOP-13651-HADOOP-13345.003.patch
>
>
> Modify S3AFileSystem et al. to optionally use a MetadataStore for metadata
> consistency and caching.
> Implementation should have minimal overhead when no MetadataStore is
> configured.
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