xintongsong commented on a change in pull request #9910: [FLINK-14405][runtime]
Align ResourceProfile/ResourceSpec fields with the new TaskExecutor memory
setups.
URL: https://github.com/apache/flink/pull/9910#discussion_r335794168
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File path:
flink-core/src/main/java/org/apache/flink/api/common/operators/ResourceSpec.java
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@@ -70,72 +70,88 @@
/** How many cpu cores are needed, use double so we can specify cpu
like 0.1. */
private final double cpuCores;
- /** How many java heap memory in mb are needed. */
- private final int heapMemoryInMB;
+ /** How many task heap memory are needed. */
Review comment:
How about we don't return `Optional` for the getters, but throw an
`UnsupportedOperationException` when calling the getters on `UNKNOWN`?
We have `Memory.ZERO` for no requirement. If a `ResourceProfile` is not
`UNKNOWN`, it should always have explicit values for all the fields.
I've made the default constructor private, which should be the only way to
set the fields to `null`. Maybe add `checkNotNull` for arguments of all the
public constructors?
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