[MAPREDUCE-2107] Emulate Memory Usage of Tasks in GridMix3

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.22.0
• Fix Version/s: 0.23.0
• Component/s: contrib/gridmix

Release Note

Adds total heap usage emulation to Gridmix. Also, Gridmix can configure the simulated task's JVM heap options with max heap options obtained from the original task (via Rumen). Use 'gridmix.task.jvm-options.enable' to disable the task max heap options configuration.

• Tags: gridmix heap-usage
• Assignee: Amar Kamat
• Reporter: Ranjit Mathew
• Created: 04/Oct/10 11:34
• Updated: 15/Nov/11 00:49
• Resolved: 15/Jun/11 11:43

Description

MAPREDUCE-220 makes CPU/Memory usage of Tasks available in JobHistory files. Use this
to emulate the memory usage of Tasks (of course, once MAPREDUCE-2104 is done).

Issue Links

• is blocked by: MAPREDUCE-2401 Can not change scheduling mode of default pool
• is blocked by: MAPREDUCE-2469 Task counters should also report the total heap usage of the task
• is part of: MAPREDUCE-1702 CPU/Memory emulation for GridMix3