[HDFS-16311] Metric metadataOperationRate calculation error in DataNodeVolumeMetrics

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0, 2.10.2, 3.3.2, 3.2.4
• Fix Version/s: 3.4.0, 2.10.2, 3.3.2, 3.2.4
• Component/s: datanode, metrics
• Labels: pull-request-available
• Target Version/s: 3.4.0, 2.10.2, 3.3.2, 3.2.4
• Hadoop Flags: Reviewed
• Assignee: Tao Li
• Reporter: Tao Li
• Created: 09/Nov/21 12:22
• Updated: 11/Feb/24 23:12
• Resolved: 12/Nov/21 01:28

Description

Metric metadataOperationRate calculation error in DataNodeVolumeMetrics#addFileIoError, causing MetadataOperationRateAvgTime is very large in some cases. This will also cause slow disk metrics errors on the Namenode side.

Issue Links

• links to: GitHub Pull Request #3636