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https://issues.apache.org/jira/browse/HDFS-16457?focusedWorklogId=751361&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-751361
]
ASF GitHub Bot logged work on HDFS-16457:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Apr/22 03:07
Start Date: 01/Apr/22 03:07
Worklog Time Spent: 10m
Work Description: singer-bin commented on a change in pull request #4069:
URL: https://github.com/apache/hadoop/pull/4069#discussion_r840196034
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeReconfiguration.java
##########
@@ -756,4 +759,33 @@ public void testDfsUsageParameters() throws
ReconfigurationException {
}
}
}
+
+ public static class DummyCachingGetSpaceUsed extends CachingGetSpaceUsed {
+ public DummyCachingGetSpaceUsed(Builder builder) throws IOException {
+ super(builder.setInterval(1000).setJitter(0L));
+ }
+
+ @Override
+ protected void refresh() {
+ counter++;
+ }
+ }
+
+ @Test
+ public void testDfsUsageKlass() throws IOException, ReconfigurationException,
+ InterruptedException {
+
+ long lastCounter = counter;
+ Thread.sleep(5000);
+ assertTrue(counter > lastCounter);
+
+ for (int i = 0; i < NUM_DATA_NODE; i++) {
+ DataNode dn = cluster.getDataNodes().get(i);
+ dn.reconfigurePropertyImpl(FS_GETSPACEUSED_CLASSNAME, null);
+ }
+
+ lastCounter = counter;
+ Thread.sleep(5000);
+ assertEquals(lastCounter, counter);
+ }
Review comment:
Looking forward to your comments and suggestions. @tasanuma
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Issue Time Tracking
-------------------
Worklog Id: (was: 751361)
Time Spent: 3.5h (was: 3h 20m)
> Make fs.getspaceused.classname reconfigurable
> ---------------------------------------------
>
> Key: HDFS-16457
> URL: https://issues.apache.org/jira/browse/HDFS-16457
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.3.0
> Reporter: yanbin.zhang
> Assignee: yanbin.zhang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> Now if we want to switch fs.getspaceused.classname we need to restart the
> NameNode. It would be convenient if we can switch it at runtime.
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