[HADOOP-17882] distcp to use openFile() with sequential IO; ranges of reads

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.3.5
• Component/s: tools/distcp
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 01/Sep/21 15:07
• Updated: 19/Aug/22 09:46
• Resolved: 19/Aug/22 09:46

Description

once openFile adds standard options for sequential access, distcp to adopt so as to enforce sequential reads on all uploads/backups

Issue Links

• Is contained by: HADOOP-16202 Enhance openFile() for better read performance against object stores