private boolean isRealtimeTsFileEventCountExceededLimit(final PipeRealtimeEvent event) {
    if (PipeConfig.getInstance().getPipeMaxAllowedPendingTsFileEpochPerDataRegion()
        == Integer.MAX_VALUE) {
      return false;
    }
    final boolean isRealtimeTsFileEventCountExceededLimit =
        pendingQueue.getTsFileInsertionEventCount()
            >= PipeConfig.getInstance().getPipeMaxAllowedPendingTsFileEpochPerDataRegion();
    if (isRealtimeTsFileEventCountExceededLimit && event.mayExtractorUseTablets(this)) {
      LOGGER.info(
          "Pipe task {}@{} canNotUseTabletAnymoreDeprecated(3): The number of realtime tsFile events {} has exceeded the limit {}",
          pipeName,
          dataRegionId,
          pendingQueue.getTsFileInsertionEventCount(),
          PipeConfig.getInstance().getPipeMaxAllowedPendingTsFileEpochPerDataRegion());
    }
    return isRealtimeTsFileEventCountExceededLimit;
  }
These judgements are deprecated, and are only reserved for manual operation and compatibility.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/extractor/dataregion/realtime/PipeRealtimeDataRegionHybridExtractor.java