private void initTTLInformation(byte[] allTTLInformation) throws StartupException {
    if (allTTLInformation == null) {
      return;
    }
    ByteBuffer buffer = ByteBuffer.wrap(allTTLInformation);
    int mapSize = ReadWriteIOUtils.readInt(buffer);
    for (int i = 0; i < mapSize; i++) {
      try {
        DataNodeTTLCache.getInstance()
            .setTTLForTree(
                PathUtils.splitPathToDetachedNodes(
                    Objects.requireNonNull(ReadWriteIOUtils.readString(buffer))),
                ReadWriteIOUtils.readLong(buffer));
      } catch (IllegalPathException e) {
        throw new StartupException(e);
      }
    }
  }
Generate a list for triggers that do not have jar on this node.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/service/DataNode.java