Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4358#discussion_r142134172
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java ---
@@ -375,7 +378,32 @@ public File getFile(BlobKey key) throws IOException {
* Thrown if the file retrieval failed.
*/
@Override
- public File getFile(JobID jobId, BlobKey key) throws IOException {
+ public File getTransientFile(JobID jobId, BlobKey key) throws
IOException {
+ checkNotNull(jobId);
--- End diff --
What about making the usage of blob keys failsafe by having different types
of `BlobKey`. E.g. `TransientBlobKey` and `PermanentBlobKey`?
---
