@Override
  public long getCompactionConfigVersion() {
    return this.compactionConfigVersion;
  }
release the read lock and write lock of files if it is held, and set the merging status of
selected files to false.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/compaction/execute/task/InnerSpaceCompactionTask.java