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https://issues.apache.org/jira/browse/HDFS-11182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15763091#comment-15763091
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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_r93166028
--- Diff:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
---
@@ -2051,14 +2044,13 @@ public void shutdown() {
* Check if there is a disk failure asynchronously and if so, handle the
error
*/
public void checkDiskErrorAsync() {
- synchronized(checkDiskErrorMutex) {
- checkDiskErrorFlag = true;
- if(checkDiskErrorThread == null) {
- startCheckDiskErrorThread();
- checkDiskErrorThread.start();
- LOG.info("Starting CheckDiskError Thread");
- }
- }
+ volumeChecker.checkAllVolumesAsync(
+ data, (healthyVolumes, failedVolumes) -> {
+ LOG.info("checkDiskErrorAsync callback got {} failed volumes:
{}",
+ failedVolumes.size(), failedVolumes);
+ lastDiskErrorCheck = Time.monotonicNow();
--- End diff --
should this be timer.monotonicNow();
> 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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