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https://issues.apache.org/jira/browse/HDFS-16396?focusedWorklogId=702802&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-702802
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ASF GitHub Bot logged work on HDFS-16396:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Jan/22 12:05
Start Date: 02/Jan/22 12:05
Worklog Time Spent: 10m
Work Description: tomscut commented on a change in pull request #3827:
URL: https://github.com/apache/hadoop/pull/3827#discussion_r777201910
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
##########
@@ -865,7 +942,7 @@ private void refreshVolumes(String newVolumes) throws
IOException {
.newFixedThreadPool(changedVolumes.newLocations.size());
List<Future<IOException>> exceptions = Lists.newArrayList();
- Preconditions.checkNotNull(data, "Storage not yet initialized");
+ checkNotNull(data, "Storage not yet initialized");
Review comment:
Thanks. I will fix this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 702802)
Time Spent: 1.5h (was: 1h 20m)
> Reconfig slow peer parameters for datanode
> ------------------------------------------
>
> Key: HDFS-16396
> URL: https://issues.apache.org/jira/browse/HDFS-16396
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> In large clusters, rolling restart datanodes takes a long time. We can make
> slow peers parameters and slow disks parameters in datanode reconfigurable to
> facilitate cluster operation and maintenance.
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