Github user arunmahadevan commented on a diff in the pull request:
--- Diff: storm-core/src/jvm/org/apache/storm/state/KeyValueState.java ---
@@ -45,4 +47,9 @@
* @return the value or defaultValue if no mapping is found
V get(K key, V defaultValue);
+ * @return all key value mappings as an unmodifiable map.
+ Map<K, V> getAll();
--- End diff --
At a high level I think you should be able to use redis hscan to implement
the iterator and deserialize the key/values as you return them.
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket