public String getStorageGroupName() {
    return this.storageGroupName;
  }
This method will try to set the files to COMPACTION_CANDIDATE. If failed, it should roll back
all status to original value

@return set status successfully or not
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/compaction/execute/task/AbstractCompactionTask.java