[KUDU-579] Scanner fault tolerance

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Public beta
• Fix Version/s: 1.4.0
• Component/s: client, tablet
• Labels: roadmap-candidate
• Target Version/s: 1.4.0
• Code Review: https://gerrit.cloudera.org/#/c/6566/
• Assignee: Hao Hao
• Reporter: Todd Lipcon
• Created: 12/Dec/14 17:23
• Updated: 18/Jun/19 13:02
• Resolved: 28/Apr/17 21:04

Description

We need to offer fault-tolerant scanners. This has a few portions:
1) client support to restart scanners if they fail mid-tablet (both java and C++)
2) server side support for returning rows in order (using a key-based merge)

Issue Links

• is duplicated by: KUDU-1040 Java client doesn't support fault tolerant scans