[MAPREDUCE-392] streaming and pipes should reuse jvm's by default

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: contrib/streaming, pipes
• Assignee: Unassigned
• Reporter: Doug Cutting
• Created: 06/Nov/08 16:22
• Updated: 21/Jul/14 16:55
• Resolved: 21/Jul/14 16:55

Description

With HADOOP-249, tasks can now reuse JVMs. Pipes and streaming run little user code in their JVMs and should generally benefit from JVM reuse. Thus I propose we change the default for these to be JVM reuse.