[IGNITE-4458] Hadoop: striped shuffle mode must be enabled by default

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8
• Fix Version/s: 2.0
• Component/s: hadoop
• Assignee: Taras Ledkov
• Reporter: Vladimir Ozerov
• Created: 19/Dec/16 14:47
• Updated: 01/Mar/17 14:33
• Resolved: 29/Dec/16 09:05

Description

Striped mode is enabled with HadoopJobProperty.SHUFFLE_MAPPER_STRIPED_OUTPUT. It shows consistently better results comparing to original shuffling mode.

Possible solutions:
1) Make this property enabled by default;
2) Or totally remove previous mode (do not think it is a good idea)..

Issue Links

• links to: GitHub Pull Request #1390