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https://issues.apache.org/jira/browse/HDFS-14001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16654459#comment-16654459
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Íñigo Goiri commented on HDFS-14001:
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I'm not sure if we can reuse much of the {{downloadImage()}} in
{{BootstrapStandby}}.
If the alias map was part of the storage, this should be fairly easy.
> [PROVIDED Storage] bootstrapStandby should manage the InMemoryAliasMap
> ----------------------------------------------------------------------
>
> Key: HDFS-14001
> URL: https://issues.apache.org/jira/browse/HDFS-14001
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Íñigo Goiri
> Assignee: Virajith Jalaparti
> Priority: Major
>
> Currently, we generate the fsimage and the alias map in one machine. When we
> start the other NNs, we use bootstrapStandby to propagate the fsimage.
> However, we need to copy the Alias Map by hand. We should copy also the Alias
> Map as part of this process.
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