@Override
  public Map<K, V> getAll(List<K> keys, Object ... args) {
    Map<K, V> result = instrument(metrics.numGetAlls, metrics.getAllNs, () -> kvStore.getAll(keys));
    result.values().stream().filter(Objects::isNull).forEach(v -> incCounter(metrics.numMissedLookups));
    return result;
  }
Constructs an instance of {@link LocalTable}
@param tableId the table Id
@param kvStore the backing store
samza-kv/src/main/java/org/apache/samza/storage/kv/LocalTable.java