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https://issues.apache.org/jira/browse/HDFS-17068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17741272#comment-17741272
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ASF GitHub Bot commented on HDFS-17068:
---------------------------------------
hfutatzhanghb commented on code in PR #5809:
URL: https://github.com/apache/hadoop/pull/5809#discussion_r1257219915
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/extdataset/ExternalDatasetImpl.java:
##########
@@ -477,4 +482,7 @@ public MountVolumeMap getMountVolumeMap() {
public List<FsVolumeImpl> getVolumeList() {
return null;
}
+
+ @Override
+ public void setLastDirScannerFinishTime(long time) {}
Review Comment:
@xinglin Hi, sir. I do not know why exacltly, but i think the
SimulatedFSDataset is just for simplifing test. if we make both behave the same
way, there is no need to have class SimulatedFSDataset. What's your idea？Thanks
a lot.
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/extdataset/ExternalDatasetImpl.java:
##########
@@ -477,4 +482,7 @@ public MountVolumeMap getMountVolumeMap() {
public List<FsVolumeImpl> getVolumeList() {
return null;
}
+
+ @Override
+ public void setLastDirScannerFinishTime(long time) {}
Review Comment:
@xinglin Hi, sir. I do not know why exacltly, but i think the
SimulatedFSDataset is just for simplifing test. if we make both behave the same
way, there is no need to have class SimulatedFSDataset. What's your idea？Thanks
a lot.
> Datanode should record last directory scan time.
> ------------------------------------------------
>
> Key: HDFS-17068
> URL: https://issues.apache.org/jira/browse/HDFS-17068
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Minor
> Labels: pull-request-available
>
> I think it is useful for us to record last directory scan time for one
> datanode.
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