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https://issues.apache.org/jira/browse/HDFS-11695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15989773#comment-15989773
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Surendra Singh Lilhore commented on HDFS-11695:
-----------------------------------------------
Thanks [~umamaheswararao] and [~yuanbo].
Scenario :
========
1. Create */test/file*.
2. set storage policy for file */test/file* and call satisfyStoragePolicy() API.
3. wait for SPS to remove xAttr for file */test/file*.
4. set storage policy for directory */test* and call satisfyStoragePolicy() API.
5. restart the namenode.
Root cause :
==========
When we will call the satisfyStoragePolicy() API for file or directory,
namenode will log the {{OP_SET_XATTR}} in edit log.
After finishing the SPS work, it will remove the xAttr from the memory but it
is not logged in edit log. When we restart the namenode it will load again
{{OP_SET_XATTR}} from the editlog for */test/file* and */test*.
> [SPS]: Namenode failed to start while loading SPS xAttrs from the edits log.
> ----------------------------------------------------------------------------
>
> Key: HDFS-11695
> URL: https://issues.apache.org/jira/browse/HDFS-11695
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: HDFS-10285
> Reporter: Surendra Singh Lilhore
> Assignee: Surendra Singh Lilhore
> Priority: Blocker
> Attachments: fsimage.xml
>
>
> {noformat}
> 2017-04-23 13:27:51,971 ERROR
> org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
> java.io.IOException: Cannot request to call satisfy storage policy on path
> /ssl, as this file/dir was already called for satisfying storage policy.
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.unprotectedSatisfyStoragePolicy(FSDirAttrOp.java:511)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirXAttrOp.unprotectedSetXAttrs(FSDirXAttrOp.java:284)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.applyEditLogOp(FSEditLogLoader.java:918)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:241)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:150)
> {noformat}
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