private File getOrCreateRepairLogDir() {
    File logFileDir =
        new File(
            IoTDBDescriptor.getInstance().getConfig().getSystemDir()
                + File.separator
                + RepairLogger.repairLogDir);
    if (!logFileDir.exists()) {
      logFileDir.mkdirs();
    }
    return logFileDir;
  }
Used for create a new repair schedule task
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/compaction/repair/UnsortedFileRepairTaskScheduler.java