[HDFS-16519] Add throttler to EC reconstruction

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.3.1, 3.3.2
• Fix Version/s: 3.4.0, 3.3.5
• Component/s: datanode, ec
• Labels: pull-request-available
• Assignee: daimin
• Reporter: daimin
• Due: 24/Mar/22
• Created: 24/Mar/22 03:50
• Updated: 23/Apr/22 03:48
• Resolved: 23/Apr/22 03:48

Description

HDFS already have throttlers for data transfer(replication) and balancer, the throttlers reduce the impact of these background procedures to user read/write.
We should add a throttler to EC background reconstruction too.

Issue Links

• links to: GitHub Pull Request #4101