public static int estimateSize(PartialPath partialPath) {
    int size = 52;
    for (String node : partialPath.getNodes()) {
      size += estimateStringSize(node);
    }
    size += estimateStringSize(partialPath.getFullPath());
    return size;
  }
PartialPath basic total, 52B

<ul>
  <li>Object header, 8B
  <li>String[] reference + header + length, 8 + 4 + 8= 20B
  <li>Path attributes' references, 8 * 3 = 24B
</ul>
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/path/PartialPath.java