[MAPREDUCE-7022] Fast fail rogue jobs based on task scratch dir size

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0, 2.8.0, 2.9.0
• Fix Version/s: 3.1.0
• Component/s: task
• Target Version/s: 2.9.1
• Hadoop Flags: Reviewed
• Assignee: Johan Gustavsson
• Reporter: Johan Gustavsson
• Created: 08/Dec/17 00:56
• Updated: 29/Jan/18 01:01
• Resolved: 26/Jan/18 20:44

Description

With the introduction of MAPREDUCE-6489 there are some options to kill rogue tasks based on writes to local disk writes. In our environment are we mainly run Hive based jobs we noticed that this counter and the size of the local scratch dirs were very different. We had tasks where BYTES_WRITTEN counter were at 300Gb and where it was at 10Tb both producing around 200Gb on local disk, so it didn't help us much. So to extend this feature tasks should monitor local scratchdir size and fail if they pass the limit. In these cases the tasks should not be retried either but instead the job should fast fail.

Issue Links

• relates to: MAPREDUCE-6489 Fail fast rogue tasks that write too much to local disk