Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/2463#discussion_r77783497
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/highavailability/LeaderIdRegistry.java
---
@@ -15,11 +15,27 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+package org.apache.flink.runtime.highavailability;
-package org.apache.flink.runtime.resourcemanager;
+import java.util.UUID;
-import java.io.Serializable;
+/**
+ * Registry class to keep track of the current leader ID.
+ */
+public class LeaderIdRegistry {
--- End diff --
What exactly do you mean? The class is thread-safe and documented (though
documentation can be improved). There is no need for locking. Do you mean
marking the leaderSessionID `volatile`? It should be fine if leader changes
propagate lazily.
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