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https://issues.apache.org/jira/browse/HDFS-5732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward Bortnikov updated HDFS-5732:
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Attachment: Remote BM.pdf
Updated design of the remote BM operation.
> Separate memory space between BM and NN
> ---------------------------------------
>
> Key: HDFS-5732
> URL: https://issues.apache.org/jira/browse/HDFS-5732
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Amir Langer
> Attachments:
> 0002-Separation-of-BM-from-NN-Step-2-Separate-memory-spac.patch, Remote BM.pdf
>
>
> Change created APIs to not rely on the same instance being shared in both BM
> and NN. Use immutable objects / keep state in sync.
> BM and NN will still exist in the same VM work on a new BM service as an
> independent process is deferred to later tasks.
> Also, a one to one relation between BM and NN is assumed.
> This task should maintain backward compatibility.
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