[KUDU-124] Use a ring buffer (ala Disruptor in HBase) for group commit

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Won't Fix
• Affects Version/s: Backlog, M5
• Component/s: log
• Target Version/s: Backlog
• Assignee: Alex Feinberg
• Reporter: Alex Feinberg
• Created: 18/Feb/14 20:14
• Updated: 08/Oct/15 05:47
• Resolved: 08/Oct/15 05:47

Description

Currently we use a blocking queue for group commit in KUDU. We could get additional performance benefit (e.g., avoiding additional allocation) if we used a ring buffer.

See HBASE-10156