[SPARK-10955] Warn if dynamic allocation is enabled for Streaming jobs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.2, 1.6.0
• Component/s: DStreams
• Assignee: Hari Shreedharan
• Reporter: Hari Shreedharan
• Created: 06/Oct/15 18:58
• Updated: 03/Dec/15 19:24
• Resolved: 09/Oct/15 01:54

Description

Spark streaming can be tricky with dynamic allocation and can lose data if not used properly (with WAL, or with WAL-free solutions like Direct Kafka and Kinesis since 1.5). If dynamic allocation is enabled, we should issue a log4j warning.

Issue Links

• is related to: SPARK-12133 Support dynamic allocation in Spark Streaming
• links to: [Github] Pull Request #8998 (harishreedharan)