Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4204#discussion_r125164998
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/zookeeper/filesystem/FileSystemStateStorageHelper.java
---
@@ -77,4 +83,18 @@ public FileSystemStateStorageHelper(Path rootPath,
String prefix) throws IOExcep
private Path getNewFilePath() {
return new Path(rootPath, FileUtils.getRandomFilename(prefix));
}
+
+ @Override
+ public void closeAndCleanupAllData() {
+ try {
+ fs.delete(rootPath, true);
--- End diff --
We cannot simply delete the rootPath, because it's
`HighAvailabilityOptions.HA_STORAGE_PATH`. Thus, we would also delete files
from other components in this directory (e.g. the `BlobServer`). I think the
`FileSystemStateStorageHelper` has to create a sub directory for the state to
store. That directory, we can easily delete.
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