[jira] [Created] (HDFS-7159) Use block storage policy to set lazy persist preference

[Arpit Agarwal (JIRA)]

Arpit Agarwal created HDFS-7159:
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             Summary: Use block storage policy to set lazy persist preference
                 Key: HDFS-7159
                 URL: https://issues.apache.org/jira/browse/HDFS-7159
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Arpit Agarwal
            Assignee: Arpit Agarwal


Now that HDFS-6584 feature is ready and supports block storage policies on both 
files and directories, we can make use of Storage Policies to store the 
LAZY_PERSIST preference.

This only affects how the preference is persisted in the FsImage/Edit logs. 
There is no change to the client API or to NN-DN interaction.



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