[
https://issues.apache.org/jira/browse/HDFS-17068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17740932#comment-17740932
]
ASF GitHub Bot commented on HDFS-17068:
---------------------------------------
Hexiaoqiao commented on code in PR #5809:
URL: https://github.com/apache/hadoop/pull/5809#discussion_r1255390061
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/metrics/FSDatasetMBean.java:
##########
@@ -122,4 +122,9 @@ public interface FSDatasetMBean extends MetricsSource {
* Returns the number of blocks that the datanode was unable to uncache
*/
public long getNumBlocksFailedToUncache();
+
+ /**
+ * Returns the last time in milliseconds of directory scanner run.
+ */
+ public long getLastDirectoryScannerRunTime();
Review Comment:
This name will be little misleading if it is the begin or end time of one
loop of DirectoryScanner.
> 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.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
