default void putAll(Map<String, byte[]> entries) {
    for (Map.Entry<String, byte[]> entry : entries.entrySet()) {
      put(entry.getKey(), entry.getValue());
    }
  }
Updates the mapping with the specified map. This is not guaranteed to be atomic.

@param entries mapping of key to values to write to the metadata store
samza-api/src/main/java/org/apache/samza/metadatastore/MetadataStore.java