[KUDU-2726] Very large tablets defeat budgeted compaction

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.9.0
• Labels: density roadmap-candidate
• Assignee: wangningito
• Reporter: William Berkeley
• Created: 04/Mar/19 22:24
• Updated: 14/Dec/20 03:31

Description

On very large tablets (50GB+), despite being very uncompacted with a large average rowset height, a default budget (128MB) worth of compaction may not reduce average rowset height enough to pass the minimum threshold. Thus the tablet stays uncompacted forever.