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https://issues.apache.org/jira/browse/HDFS-6493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14051875#comment-14051875
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Hudson commented on HDFS-6493:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #5824 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/5824/])
HDFS-6493. Change dfs.namenode.startup.delay.block.deletion to second instead
of millisecond. Contributed by Juan Yu. (wang:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1607732)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/InvalidateBlocks.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestPendingInvalidateBlock.java
> Change dfs.namenode.startup.delay.block.deletion to second instead of
> millisecond
> ---------------------------------------------------------------------------------
>
> Key: HDFS-6493
> URL: https://issues.apache.org/jira/browse/HDFS-6493
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Juan Yu
> Assignee: Juan Yu
> Priority: Trivial
> Fix For: 2.5.0
>
> Attachments: HDFS-6493.001.patch
>
>
> Based on the discussion in https://issues.apache.org/jira/browse/HDFS-6186,
> the delay will be at least 30 minutes or even hours. it's not very user
> friendly to use milliseconds when it's likely measured in hours.
> I suggest to make the following change
> 1. change the unit of this config to second
> 2. rename the config key from "dfs.namenode.startup.delay.block.deletion.ms"
> to "dfs.namenode.startup.delay.block.deletion.sec"
> 3. add the default value to hdfs-default.xml, what's the reasonable value, 30
> minutes, one hour?
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