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https://issues.apache.org/jira/browse/HDFS-11903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16030269#comment-16030269
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Anu Engineer commented on HDFS-11903:
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+1, pending jenkins.
> Ozone: Cleaning up local storage when closing MiniOzoneCluster
> --------------------------------------------------------------
>
> Key: HDFS-11903
> URL: https://issues.apache.org/jira/browse/HDFS-11903
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Attachments: HDFS-11903-HDFS-7240.000.patch
>
>
> Currently we don't delete the local storage when closing
> {{MiniOzoneCluster}}, which will cause creating volume with the same name to
> fail, even in a new JVM process. Let's delete the local storage files:
> {{/tmp/ozone/metadata.db}} and {{/tmp/ozone/user.db}} when closing.
> Please note this is not a complete solution. As the {{OzoneMetadataManager}}
> currently is a singleton, we are not able to create two independent
> MiniOzoneCluster in a single JVM. Data maybe shared unexpectedly. Let's
> address that in another JIRA, if needed.
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