[YARN-9337] GPU auto-discovery script runs even when the resource is given by hand

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.0, 3.2.1, 3.1.3
• Component/s: yarn
• Target Version/s: 3.3.0, 3.2.1
• Hadoop Flags: Reviewed
• Assignee: Adam Antal
• Reporter: Adam Antal
• Created: 28/Feb/19 13:33
• Updated: 27/Jan/20 15:22
• Resolved: 12/Jul/19 15:32

Description

The nvidia-smi script is called even when the gpu configs are given by hand (so there's no need for GPU auto-discovery).
We should mitigate the call of that script, since it has no effect. (The configs written by the user is not overwritten by the result of the auto-discovery script.)

Issue Links

• is blocked by: YARN-9139 Simplify initializer code of GpuDiscoverer
• relates to: YARN-10107 Invoking NMWebServices#getNMResourceInfo tries to execute gpu discovery binary even if auto discovery is turned off