[HDFS-15814] Make some parameters configurable for DataNodeDiskMetrics

• Type: Wish
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.4.0, 3.3.2
• Component/s: hdfs
• Labels: pull-request-available
• Flags: Important
• External issue URL: https://github.com/apache/hadoop/pull/2676
• Assignee: Tao Li
• Reporter: Tao Li
• Created: 03/Feb/21 01:08
• Updated: 08/Jun/21 07:33
• Resolved: 14/Feb/21 05:13

Description

For ease of use, especially for small clusters, we can change some parameters(MIN_OUTLIER_DETECTION_DISKS, SLOW_DISK_LOW_THRESHOLD_MS) configurable.

Issue Links

• links to: GitHub Pull Request #2676
• links to: GitHub Pull Request #3021