[SAMZA-601] hello-samza runs out of resources when all 3 jobs are run

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.9.0
• Component/s: hello-samza
• Assignee: Navina Ramesh
• Reporter: Navina Ramesh
• Created: 13/Mar/15 19:15
• Updated: 05/Aug/15 01:09

Description

There seems to be some change in how YARN chooses the resources. When we run all 3 jobs on a machine with 8GB RAM, the jobs don't proceed because application master itself claims 3GB of the total 4G memory.
Need to understand how YARN assigns the vmem and vcore allocations on the nodes.