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https://issues.apache.org/jira/browse/HDFS-11182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15763077#comment-15763077
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ASF GitHub Bot commented on HDFS-11182:
---------------------------------------
Github user xiaoyuyao commented on a diff in the pull request:
https://github.com/apache/hadoop/pull/168#discussion_r93165428
--- Diff:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
---
@@ -1944,6 +1935,8 @@ public void shutdown() {
}
}
+ volumeChecker.shutdownAndWait(1, TimeUnit.SECONDS);
+
if (storageLocationChecker != null) {
--- End diff --
The Datanode#storageLocationChecker is only needed during the datanode
startup. We don't need to pass it as a parameter to DataNode constructor and
keep it running during the lifetime of the datanode until datanode shutdown.
This can be done as an optimization later.
> Update DataNode to use DatasetVolumeChecker
> -------------------------------------------
>
> Key: HDFS-11182
> URL: https://issues.apache.org/jira/browse/HDFS-11182
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
>
> Update DataNode to use the DatasetVolumeChecker class introduced in
> HDFS-11149 to parallelize disk checks.
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