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https://issues.apache.org/jira/browse/HDFS-8716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14737553#comment-14737553
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Hudson commented on HDFS-8716:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #349 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/349/])
HDFS-8716. Introduce a new config specifically for safe mode block count. 
Contributed by Chang Li. (kihwal: rev 4d13335fc93780126bab35de92a640fa31b204d9)
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
* 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> introduce a new config specifically for safe mode block count
> -------------------------------------------------------------
>
>                 Key: HDFS-8716
>                 URL: https://issues.apache.org/jira/browse/HDFS-8716
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>             Fix For: 3.0.0, 2.8.0
>
>         Attachments: HDFS-8716.1.patch, HDFS-8716.2.patch, HDFS-8716.3.patch, 
> HDFS-8716.4.patch, HDFS-8716.5.patch, HDFS-8716.6.patch, HDFS-8716.7.patch, 
> HDFS-8716.7.patch, HDFS-8716.8.patch
>
>
> During the start up, namenode waits for n replicas of each block to be 
> reported by datanodes before exiting the safe mode. Currently n is tied to 
> the min replicas config. We could set min replicas to more than one but we 
> might want to exit safe mode as soon as each block has one replica reported. 
> This can be worked out by introducing a new config variable for safe mode 
> block count



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