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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9696) Garbage snapshot records lingering forever
Date Mon, 15 Aug 2016 18:22:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15421417#comment-15421417
] 

Hudson commented on HDFS-9696:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10272 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10272/])
HDFS-9696. Garbage snapshot records linger forever. Contributed by (kihwal: rev 83e57e083f2cf6c0de8a46966c5492faeabd8f2a)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSaveNamespace.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java


> Garbage snapshot records lingering forever
> ------------------------------------------
>
>                 Key: HDFS-9696
>                 URL: https://issues.apache.org/jira/browse/HDFS-9696
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.2
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>            Priority: Critical
>             Fix For: 2.7.4, 3.0.0-alpha2
>
>         Attachments: HDFS-9696.patch, HDFS-9696.v2.patch
>
>
> We have a cluster where the snapshot feature might have been tested years ago. When the
HDFS does not have any snapshot, but I see filediff records persisted in its fsimage.  Since
it has been restarted many times and checkpointed over 100 times since then, it must haven
been persisted and  carried over since then.



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