private void createTimeseries() throws MetadataException {
    for (int i = 0; i < measurements.length; ++i) {
      schemas[i] =
          new MeasurementSchema(
              measurements[i], TSDataType.INT64, TSEncoding.PLAIN, CompressionType.SNAPPY);
    }
    for (int i = 0; i < devices.length; ++i) {
      devicePath[i] = new PartialPath(storageGroup + "." + devices[i]);
    }
    for (PartialPath device : devicePath) {
      for (IMeasurementSchema schema : schemas) {
        fullPathSet.add(device.getFullPath() + "." + schema.getMeasurementName());
        paths.add(new NonAlignedFullPath(device.getIDeviceIDAsFullDevice(), schema));
        schemaList.add(schema);
      }
    }
  }
This class is used to test InnerSpaceCompactionUtils.compact. Notice, it just tests not aligned
timeseries.
iotdb-core/datanode/src/test/java/org/apache/iotdb/db/storageengine/dataregion/compaction/inner/FastCompactionPerformerNoAlignedTest.java