Gergely Pollak created YARN-9444:
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Summary: YARN Api Resource Utils's getRequestedResourcesFromConfig
doesn't recognise yarn.io/gpu as a valid resource type
Key: YARN-9444
URL: https://issues.apache.org/jira/browse/YARN-9444
Project: Hadoop YARN
Issue Type: Bug
Components: api
Reporter: Gergely Pollak
Assignee: Gergely Pollak
The original issue was the jobclient test did not send the requested resource
type, when specified in the command line eg:
hadoop jar hadoop-mapreduce-client-jobclient-tests.jar sleep
-Dmapreduce.reduce.resource.yarn.io/gpu=1 -m 10 -r 1 -mt 90000
After some investigation, it turned out it only affects resource types with
name containing '.' characters. And the root cause is regexp from the
getRequestedResourcesFromConfig method.
"^" + Pattern.quote(prefix) + "[^.]+$"
This regexp explicitly forbids any dots in the resource type name, which is
inconsistent with the default resource type for gpu and fpga, which are
yarn.io/gpu and yarn.io/fpga respectively.
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