SteNicholas opened a new pull request #12516:
URL: https://github.com/apache/flink/pull/12516
## What is the purpose of the change
*Setting `jobmanager.memory.off-heap.size` to 0 results in this confusing
error:`The configured or derived JVM heap memory size (jobstore.cache-size: 0
bytes) is less than the configured or default size of the job store cache
(jobmanager.memory.heap.size: 50.000mb (52428800 bytes))`. This log is
confused for users, and should modify the content of this warn log. Method
`verifyJobStoreCacheSize` in `JobManagerFlinkMemoryUtils` should update
validation result of jobstore cache size.*
## Brief change log
- *Update warn log of method `verifyJobStoreCacheSize` in
`JobManagerFlinkMemoryUtils`.*
## Verifying this change
- *Add test method `testConfigJvmHeapAndOffHeapMemory` in
`JobManagerProcessUtilsTest` to verfiy for JVM-Heap memory & Off-Heap memory
configuration and the case that off-Heap memory is less than default jobstore
cache size.*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** /
don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
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