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https://issues.apache.org/jira/browse/HDFS-11150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15722837#comment-15722837
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Rakesh R commented on HDFS-11150:
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bq. I have been searching FsImage loader and didn't find some related code, do
you have any suggestion?
Probably you can refer the implementation of encryption zone info
(CRYPTO_XATTR_ENCRYPTION_ZONE) loaded from fsimage after NN restart. I hope the
github [source code reference
|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java#L1336]
and [test code
reference|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZones.java#L476]
will help you.
> [SPS]: Provide persistence when satisfying storage policy.
> ----------------------------------------------------------
>
> Key: HDFS-11150
> URL: https://issues.apache.org/jira/browse/HDFS-11150
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Yuanbo Liu
> Assignee: Yuanbo Liu
> Attachments: HDFS-11150-HDFS-10285.001.patch
>
>
> Provide persistence for SPS in case that Hadoop cluster crashes by accident.
> Basically we need to change EditLog and FsImage here.
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