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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8930) Block report lease may leak if the 2nd full block report comes when NN is still in safemode
Date Mon, 24 Aug 2015 22:52:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14710213#comment-14710213
] 

Hudson commented on HDFS-8930:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2230 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2230/])
HDFS-8930. Block report lease may leak if the 2nd full block report comes when NN is still
in safemode (Colin P. McCabe via Jing Zhao) (cmccabe: rev b5ce87f84d9de0a5347ab38c0567a5a70d1fbfd7)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockReportRateLimiting.java


> Block report lease may leak if the 2nd full block report comes when NN is still in safemode
> -------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8930
>                 URL: https://issues.apache.org/jira/browse/HDFS-8930
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.8.0
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>            Priority: Minor
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8930.000.patch
>
>
> This is a rare scenario in practice. If the NameNode is still in startup SafeMode while
a DataNode sends it the 2nd FBR, the NameNode assigns the lease but rejects the report. The
lease then leaves in NN until it expires.



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