public static String getTsFileRelativePath(String absolutePath) {
    Path path = new File(absolutePath).toPath();
    return path.subpath(path.getNameCount() - 5, path.getNameCount()).toString();
  }
get tsFile relative path from sequence or unsequence dir. <br>
eg: <br>
input: <br>
/iotdb/absolute/path/data/datanode/data/sequence/root.db/1/2818/1704354353829-1-0-0.tsfile
output: <br>
sequence/root.db/1/2818/1704354353829-1-0-0.tsfile
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/wal/utils/WALFileUtils.java