[HDFS-15619] Metric for ordered snapshot deletion GC thread

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: hdfs
• Labels: pull-request-available
• Assignee: Nilotpal Nandi
• Reporter: Nilotpal Nandi
• Created: 09/Oct/20 05:09
• Updated: 01/Feb/21 16:03

Description

Following info should be captured and shown in JMX for garbage collection thread of ordered snapshot deletion

• metric for all pending snapshots to be GCed
• Number of times GC thread ran
• Number of Snapshots already GCed
• Average time taken by each GC run
• Thread running Status
• metric for failed deletion of GC thread

Issue Links

• links to: GitHub Pull Request #2595