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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11695) [SPS]: Namenode failed to start while loading SPS xAttrs from the edits log.
Date Thu, 04 May 2017 21:05:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997430#comment-15997430

Uma Maheswara Rao G commented on HDFS-11695:

I think LogSync should be outside of both the lock. can you method FSNameSystem#setStoragePolicy()
{quote} Oops you are right. I meant to that. logSync need not have lock.
Add after unLock in fsnamesystem#satisfyStoragePolicy

Regarding #5, I think we can ignore this comment, because this scenario may not exist. Ramesh
reminded me that, we are not doing recursive here. So, don't change code about this scenario,
but please consider adding a test case for it. Scenario explained in my first comment.

> [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, HDFS-11695-HDFS-10285.001.patch
> {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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