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https://issues.apache.org/jira/browse/HADOOP-17072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Virajith Jalaparti reassigned HADOOP-17072:
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Assignee: Virajith Jalaparti
> Add getClusterRoot and getClusterRoots methods to FileSystem and
> ViewFilesystem
> -------------------------------------------------------------------------------
>
> Key: HADOOP-17072
> URL: https://issues.apache.org/jira/browse/HADOOP-17072
> Project: Hadoop Common
> Issue Type: Task
> Components: fs, viewfs
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Priority: Major
>
> In a federated setting (HDFS federation, federation across multiple buckets
> on S3, multiple containers across Azure storage), certain system
> tools/pipelines require the ability to map paths to the clusters/accounts.
> Consider GDPR compliance/retention jobs need to go over the datasets ingested
> over a period of T days and remove/quarantine datasets that are not properly
> annotated/have reached their retention period. Such jobs can rely on renames
> to a global trash/quarantine directory to accomplish their task. However, in
> a federated setting, efficient, atomic renames (as those within a single HDFS
> cluster) are not supported across the different clusters/shards in
> federation. As a result, such jobs will need to get the clusters to which
> different paths map to.
> To address such cases, this JIRA proposes to get add two new methods to
> {{FileSystem}}: {{getClusterRoot}} and {{getClusterRoots()}}.
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