@Override
          protected Void collectMNode(final IMemMNode node) {
            if (node.isDevice()) {
              attributeDeleter.accept(
                  ((TableDeviceInfo<IMemMNode>) node.getAsDeviceMNode().getDeviceInfo())
                      .getAttributePointer());
            }
            memoryReleased.addAndGet(node.estimateSize());
            return null;
          }
Get node by the path

@return last node in given seriesPath
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java