attilapiros commented on a change in pull request #24989: [SPARK-27959][YARN]
Change YARN resource configs to use .amount
URL: https://github.com/apache/spark/pull/24989#discussion_r304016852
##########
File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ResourceRequestHelper.scala
##########
@@ -40,6 +40,45 @@ import org.apache.spark.util.{CausedBy, Utils}
private object ResourceRequestHelper extends Logging {
private val AMOUNT_AND_UNIT_REGEX = "([0-9]+)([A-Za-z]*)".r
private val RESOURCE_INFO_CLASS =
"org.apache.hadoop.yarn.api.records.ResourceInformation"
+ val YARN_GPU_RESOURCE_CONFIG = "yarn.io/gpu"
+ val YARN_FPGA_RESOURCE_CONFIG = "yarn.io/fpga"
Review comment:
Does it make sense to reuse `ResourceUtils.GPU` and `ResourceUtils.FPGA`
here?
Like:
```scala
val YARN_GPU_RESOURCE_CONFIG = "yarn.io/$GPU"
val YARN_FPGA_RESOURCE_CONFIG = "yarn.io/$FPGA"
```
For suggesting using as close mapping as possible between the Spark config
keys and YARN resource config keys (now and the future).
I know your PR does not touched this part:
https://github.com/apache/spark/blob/6e86ab9b9db12a88998e54d6358d3ac6143e957a/resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ResourceRequestHelper.scala#L111-L118
But at that place using the right constant (`$GPU` or `$FPGA`) instead of
the string literal is reasonable.
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