tillrohrmann commented on a change in pull request #18237:
URL: https://github.com/apache/flink/pull/18237#discussion_r800067576
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/state/TaskLocalStateStoreImpl.java
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@@ -176,14 +186,52 @@ public void storeLocalState(
}
}
+ /**
+ * Writes a task state snapshot file that contains the serialized content
of the local state.
+ *
+ * @param checkpointId identifying the checkpoint
+ * @param localState task state snapshot that will be persisted
+ */
+ private void persistLocalStateMetadata(long checkpointId,
TaskStateSnapshot localState) {
+ final File taskStateSnapshotFile =
getTaskStateSnapshotFile(checkpointId);
+ try (ObjectOutputStream oos =
+ new ObjectOutputStream(new
FileOutputStream(taskStateSnapshotFile))) {
+ oos.writeObject(localState);
+
+ LOG.debug(
+ "Successfully written local task state snapshot file {}
for checkpoint {}.",
+ taskStateSnapshotFile,
+ checkpointId);
+ } catch (IOException e) {
+ ExceptionUtils.rethrow(e, "Could not write the local task state
snapshot file.");
+ }
+ }
+
+ @VisibleForTesting
+ @Nonnull
+ File getTaskStateSnapshotFile(long checkpointId) {
+ final File checkpointDirectory =
+ localRecoveryConfig
+ .getLocalStateDirectoryProvider()
+ .subtaskSpecificCheckpointDirectory(checkpointId);
Review comment:
Will fix it.
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