Elliott Clark created HADOOP-12975: -------------------------------------- Summary: Add jitter to DU's thread Key: HADOOP-12975 URL: https://issues.apache.org/jira/browse/HADOOP-12975 Project: Hadoop Common Issue Type: Sub-task Reporter: Elliott Clark Assignee: Elliott Clark
Running DU across lots of disks is very expensive and running all of the processes at the same time creates a noticeable IO spike. We should add some jitter. -- This message was sent by Atlassian JIRA (v6.3.4#6332)