You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-issues@hadoop.apache.org by "Surendra Singh Lilhore (JIRA)" <ji...@apache.org> on 2019/01/28 09:02:00 UTC
[jira] [Updated] (HDFS-14235) Handle ArrayIndexOutOfBoundsException
in DataNodeDiskMetrics#slowDiskDetectionDaemon
[ https://issues.apache.org/jira/browse/HDFS-14235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Surendra Singh Lilhore updated HDFS-14235:
------------------------------------------
Attachment: exception.png
> Handle ArrayIndexOutOfBoundsException in DataNodeDiskMetrics#slowDiskDetectionDaemon
> -------------------------------------------------------------------------------------
>
> Key: HDFS-14235
> URL: https://issues.apache.org/jira/browse/HDFS-14235
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Surendra Singh Lilhore
> Assignee: Ranith Sardar
> Priority: Major
> Attachments: exception.png
>
>
> below code throwing exception because {{volumeIterator.next()}} called two time without checking hashNext().
> {code:java}
> while (volumeIterator.hasNext()) {
> FsVolumeSpi volume = volumeIterator.next();
> DataNodeVolumeMetrics metrics = volumeIterator.next().getMetrics();
> String volumeName = volume.getBaseURI().getPath();
> metadataOpStats.put(volumeName,
> metrics.getMetadataOperationMean());
> readIoStats.put(volumeName, metrics.getReadIoMean());
> writeIoStats.put(volumeName, metrics.getWriteIoMean());
> }{code}
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org