Support variable tag in benchmark

configuration/conf/config.properties

@@ -137,11 +137,17 @@
 # 传感器名称前缀
 # SENSOR_NAME_PREFIX=s_
 
-# 标签名的前缀
-# TAG_NAME_PREFIX=tag_
+# 标签名数量
+# TAG_NUMBER=0
 
-# 定义设备标签值，所有设备相同，使用逗号分开，目前支持iotdb-0.12, iotdb-0.13, influxdb-2.x, timescaledb, tdengine
-# DEVICE_TAGS=
+# 标签名前缀
+# TAG_KEY_PREFIX=tag_
+
+# 标签值前缀
+# TAG_VALUE_PREFIX=value_
+
+# 每个标签值的取值种数，使用逗号分开，设置个数应与标签名数量相等。例如TAG_NUMBER=2，TAG_VALUE_CARDINALITY=50,10，说明第一个标签名可能有50种值，第二个标签名可能有10种值。d_0的中间路径将为value_0.value_0.d_0。该配置不影响总点数。
+# TAG_VALUE_CARDINALITY=
 
 ############## 被测系统为IoTDB时扩展参数 ##################
 # 是否使用thrift压缩，需要在iotdb的配置文件iotdb-common.properties中设置rpc_thrift_compression_enable=true

core/src/main/java/cn/edu/tsinghua/iot/benchmark/conf/Config.java

@@ -182,9 +182,11 @@ public class Config {
   /** name prefix of sensor */
   private String SENSOR_NAME_PREFIX = "s_";
   /** name prefix of tag */
-  private String TAG_NAME_PREFIX = "tag_";
-  /** The tags of device. Each device is same. */
-  private Map<String, String> DEVICE_TAGS = new LinkedHashMap<>();
+  private int TAG_NUMBER = 0;
+
+  private String TAG_KEY_PREFIX = "tag_";
+  private String TAG_VALUE_PREFIX = "value_";
+  private List<Integer> TAG_VALUE_CARDINALITY = new ArrayList<>();
 
   // 设备、传感器、客户端：生成数据的规律
   /** 线性 默认 9个 */
@@ -844,27 +846,36 @@ public void setCLIENT_NUMBER(int CLIENT_NUMBER) {
     this.CLIENT_NUMBER = CLIENT_NUMBER;
   }
 
-  public String getTAG_NAME_PREFIX() {
-    return TAG_NAME_PREFIX;
+  public int getTAG_NUMBER() {
+    return TAG_NUMBER;
   }
 
-  public void setTAG_NAME_PREFIX(String TAG_NAME_PREFIX) {
-    this.TAG_NAME_PREFIX = TAG_NAME_PREFIX;
+  public void setTAG_NUMBER(int TAG_NUMBER) {
+    this.TAG_NUMBER = TAG_NUMBER;
   }
 
-  public Map<String, String> getDEVICE_TAGS() {
-    return new LinkedHashMap<>(DEVICE_TAGS);
+  public String getTAG_KEY_PREFIX() {
+    return TAG_KEY_PREFIX;
   }
 
-  public void setDEVICE_TAGS(String DEVICE_TAGS) {
-    if (DEVICE_TAGS.length() != 0) {
-      this.DEVICE_TAGS = new LinkedHashMap<>();
-      int tagIndex = 0;
-      for (String tagValue : DEVICE_TAGS.split(",")) {
-        this.DEVICE_TAGS.put(TAG_NAME_PREFIX + tagIndex, tagValue);
-        tagIndex++;
-      }
-    }
+  public void setTAG_KEY_PREFIX(String TAG_KEY_PREFIX) {
+    this.TAG_KEY_PREFIX = TAG_KEY_PREFIX;
+  }
+
+  public String getTAG_VALUE_PREFIX() {
+    return TAG_VALUE_PREFIX;
+  }
+
+  public void setTAG_VALUE_PREFIX(String TAG_VALUE_PREFIX) {
+    this.TAG_VALUE_PREFIX = TAG_VALUE_PREFIX;
+  }
+
+  public List<Integer> getTAG_VALUE_CARDINALITY() {
+    return TAG_VALUE_CARDINALITY;
+  }
+
+  public void setTAG_VALUE_CARDINALITY(List<Integer> TAG_VALUE_CARDINALITY) {
+    this.TAG_VALUE_CARDINALITY = TAG_VALUE_CARDINALITY;
   }
 
   public String getGROUP_NAME_PREFIX() {
@@ -1785,8 +1796,11 @@ public ConfigProperties getAllConfigProperties() {
     configProperties.addProperty("Extern Param", "GROUP_NAME_PREFIX", this.GROUP_NAME_PREFIX);
     configProperties.addProperty("Extern Param", "DEVICE_NAME_PREFIX", this.DEVICE_NAME_PREFIX);
     configProperties.addProperty("Extern Param", "SENSOR_NAME_PREFIX", this.SENSOR_NAME_PREFIX);
-    configProperties.addProperty("Extern Param", "TAG_NAME_PREFIX", this.TAG_NAME_PREFIX);
-    configProperties.addProperty("Extern Param", "DEVICE_TAGS", this.DEVICE_TAGS);
+    configProperties.addProperty("Extern Param", "TAG_NUMBER", this.TAG_NUMBER);
+    configProperties.addProperty("Extern Param", "TAG_KEY_PREFIX", this.TAG_KEY_PREFIX);
+    configProperties.addProperty("Extern Param", "TAG_VALUE_PREFIX", this.TAG_VALUE_PREFIX);
+    configProperties.addProperty(
+        "Extern Param", "TAG_VALUE_CARDINALITY", this.TAG_VALUE_CARDINALITY);
 
     configProperties.addProperty(
         "Extern Param", "ENABLE_THRIFT_COMPRESSION", this.ENABLE_THRIFT_COMPRESSION);

core/src/main/java/cn/edu/tsinghua/iot/benchmark/conf/ConfigDescriptor.java

@@ -33,6 +33,7 @@
 import java.lang.reflect.Field;
 import java.util.Arrays;
 import java.util.Properties;
+import java.util.stream.Collectors;
 
 import static cn.edu.tsinghua.iot.benchmark.tsdb.enums.DBInsertMode.INSERT_USE_SESSION_RECORDS;
 
@@ -248,8 +249,25 @@ private void loadProps() {
             properties.getProperty("DEVICE_NAME_PREFIX", config.getDEVICE_NAME_PREFIX()));
         config.setSENSOR_NAME_PREFIX(
             properties.getProperty("SENSOR_NAME_PREFIX", config.getSENSOR_NAME_PREFIX()));
-        config.setDEVICE_TAGS(properties.getProperty("DEVICE_TAGS", ""));
-
+        config.setTAG_NUMBER(
+            Integer.parseInt(properties.getProperty("TAG_NUMBER", config.getTAG_NUMBER() + "")));
+        config.setTAG_KEY_PREFIX(
+            properties.getProperty("TAG_KEY_PREFIX", config.getTAG_KEY_PREFIX()));
+        config.setTAG_VALUE_PREFIX(
+            properties.getProperty("TAG_VALUE_PREFIX", config.getTAG_VALUE_PREFIX()));
+        config.setTAG_VALUE_CARDINALITY(
+            Arrays.stream(
+                    properties
+                        .getProperty(
+                            "TAG_VALUE_CARDINALITY",
+                            config.getTAG_VALUE_CARDINALITY().stream()
+                                .map(Object::toString)
+                                .collect(Collectors.joining(",")))
+                        .split(","))
+                .filter(s -> !s.isEmpty())
+                .mapToInt(Integer::parseInt)
+                .boxed()
+                .collect(Collectors.toList()));
         config.setBENCHMARK_CLUSTER(
             Boolean.parseBoolean(
                 properties.getProperty("BENCHMARK_CLUSTER", config.isBENCHMARK_CLUSTER() + "")));
@@ -596,6 +614,15 @@ private boolean checkConfig() {
           "The combination of \"DEVICE_NUM_PER_WRITE > 1\" and \"IS_SENSOR_TS_ALIGNMENT == false\" is not supported");
       result = false;
     }
+    // check tag
+    if (config.getTAG_NUMBER() != config.getTAG_VALUE_CARDINALITY().size()) {
+      LOGGER.error(
+          "TAG_NUMBER must be equal to TAG_VALUE_CARDINALITY's size. Currently, "
+              + "TAG_NUMBER = {}, TAG_VALUE_CARDINALITY = {}.",
+          config.getTAG_NUMBER(),
+          config.getTAG_VALUE_CARDINALITY().size());
+      result = false;
+    }
     return result;
   }
 

core/src/main/java/cn/edu/tsinghua/iot/benchmark/schema/MetaUtil.java

@@ -5,11 +5,32 @@
 import cn.edu.tsinghua.iot.benchmark.conf.Constants;
 import cn.edu.tsinghua.iot.benchmark.exception.WorkloadException;
 
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 public class MetaUtil {
 
   private static Config config = ConfigDescriptor.getInstance().getConfig();
+  private static final String TAG_KEY_PREFIX = config.getTAG_KEY_PREFIX();
+  private static final String TAG_VALUE_PREFIX = config.getTAG_VALUE_PREFIX();
+  private static final int TAG_NUMBER = config.getTAG_NUMBER();
+  private static final List<Integer> TAG_VALUE_CARDINALITY = config.getTAG_VALUE_CARDINALITY();
+  private static final List<Long> LEVEL_CARDINALITY =
+      Arrays.asList(new Long[TAG_VALUE_CARDINALITY.size() + 1]);
+
+  static {
+    int idx = TAG_VALUE_CARDINALITY.size();
+    long sum = 1;
+    LEVEL_CARDINALITY.set(idx--, 1L);
+    for (; idx >= 0; idx--) {
+      sum *= TAG_VALUE_CARDINALITY.get(idx);
+      LEVEL_CARDINALITY.set(idx, sum);
+    }
+  }
+
   private static List<List<String>> CLIENT_FILES;
 
   /** Used under cluster mode of benchmark */
@@ -72,4 +93,36 @@ public static List<List<String>> getClientFiles() {
   public static void setClientFiles(List<List<String>> clientFiles) {
     CLIENT_FILES = clientFiles;
   }
+
+  /**
+   * Get tags pair by deviceName. Tags are allocated based on hashCode to ensure an even number of
+   * devices under each tag as much as possible.
+   *
+   * @param deviceName deviceName
+   * @return tags pair
+   */
+  public static Map<String, String> getTags(String deviceName) {
+    if (TAG_NUMBER == 0) {
+      return Collections.emptyMap();
+    }
+    long id = Math.abs(deviceName.hashCode());
+    Map<String, String> res = new HashMap<>();
+    for (int i = 0; i < LEVEL_CARDINALITY.size() - 1; i++) {
+      id = id % LEVEL_CARDINALITY.get(i);
+      long tagValueId = id / LEVEL_CARDINALITY.get(i + 1);
+      res.put(TAG_KEY_PREFIX + i, TAG_VALUE_PREFIX + tagValueId);
+    }
+    return res;
+  }
+
+  /**
+   * Get tags pair by deviceId. Tags are allocated based on hashCode to ensure an even number of
+   * devices under each tag as much as possible.
+   *
+   * @param deviceId deviceId
+   * @return tags pair
+   */
+  public static Map<String, String> getTags(int deviceId) {
+    return getTags(getDeviceName(deviceId));
+  }
 }

core/src/main/java/cn/edu/tsinghua/iot/benchmark/schema/schemaImpl/GenerateMetaDataSchema.java

@@ -52,7 +52,7 @@ public boolean createMetaDataSchema() {
           (clientId < leftClientDeviceNum) ? eachClientDeviceNum + 1 : eachClientDeviceNum;
       List<DeviceSchema> deviceSchemaList = new ArrayList<>();
       for (int d = 0; d < deviceNumber; d++) {
-        DeviceSchema deviceSchema = new DeviceSchema(deviceId, sensors, config.getDEVICE_TAGS());
+        DeviceSchema deviceSchema = new DeviceSchema(deviceId, sensors, MetaUtil.getTags(deviceId));
         NAME_DATA_SCHEMA.put(deviceSchema.getDevice(), deviceSchema);
         GROUPS.add(deviceSchema.getGroup());
         deviceSchemaList.add(deviceSchema);

core/src/main/java/cn/edu/tsinghua/iot/benchmark/schema/schemaImpl/RealMetaDataSchema.java

@@ -73,7 +73,7 @@ protected boolean createMetaDataSchema() {
               MetaUtil.getGroupIdFromDeviceName(deviceName),
               deviceName,
               sensors,
-              config.getDEVICE_TAGS());
+              MetaUtil.getTags(deviceName));
       NAME_DATA_SCHEMA.put(deviceName, deviceSchema);
       GROUPS.add(deviceSchema.getGroup());
       deviceSchemaList.add(deviceSchema);

core/src/main/java/cn/edu/tsinghua/iot/benchmark/source/CSVDataReader.java

@@ -80,7 +80,7 @@ public IBatch nextBatch() {
                   MetaUtil.getGroupIdFromDeviceName(deviceName),
                   deviceName,
                   sensors,
-                  config.getDEVICE_TAGS());
+                  MetaUtil.getTags(deviceName));
           firstLine = false;
           continue;
         }

core/src/main/java/cn/edu/tsinghua/iot/benchmark/source/CopyDataReader.java

@@ -90,7 +90,7 @@ public CopyDataReader(List<String> files) {
                   MetaUtil.getGroupIdFromDeviceName(deviceName),
                   deviceName,
                   sensors,
-                  config.getDEVICE_TAGS());
+                  MetaUtil.getTags(deviceName));
           firstLine = false;
           continue;
         }

core/src/main/java/cn/edu/tsinghua/iot/benchmark/workload/GenerateQueryWorkLoad.java

@@ -25,6 +25,7 @@
 import cn.edu.tsinghua.iot.benchmark.entity.Sensor;
 import cn.edu.tsinghua.iot.benchmark.entity.enums.SensorType;
 import cn.edu.tsinghua.iot.benchmark.exception.WorkloadException;
+import cn.edu.tsinghua.iot.benchmark.schema.MetaUtil;
 import cn.edu.tsinghua.iot.benchmark.schema.schemaImpl.DeviceSchema;
 import cn.edu.tsinghua.iot.benchmark.tsdb.enums.DBSwitch;
 import cn.edu.tsinghua.iot.benchmark.utils.TimeUtils;
@@ -165,7 +166,7 @@ public DeviceQuery getDeviceQuery() {
       return null;
     }
     DeviceSchema deviceSchema =
-        new DeviceSchema(deviceId, config.getSENSORS(), config.getDEVICE_TAGS());
+        new DeviceSchema(deviceId, config.getSENSORS(), MetaUtil.getTags(deviceId));
     return new DeviceQuery(deviceSchema);
   }
 
@@ -234,7 +235,8 @@ private List<DeviceSchema> getQueryDeviceSchemaList(boolean typeAllow) throws Wo
       if (querySensors.size() != config.getQUERY_SENSOR_NUM()) {
         continue;
       }
-      DeviceSchema deviceSchema = new DeviceSchema(deviceId, querySensors, config.getDEVICE_TAGS());
+      DeviceSchema deviceSchema =
+          new DeviceSchema(deviceId, querySensors, MetaUtil.getTags(deviceId));
       queryDevices.add(deviceSchema);
     }
     if (queryDevices.size() != config.getQUERY_DEVICE_NUM()) {

core/src/main/java/cn/edu/tsinghua/iot/benchmark/workload/SingletonWorkDataWorkLoad.java

@@ -89,7 +89,7 @@ public IBatch getOneBatch() throws WorkloadException {
           new DeviceSchema(
               MetaUtil.getDeviceId((int) curLoop % config.getDEVICE_NUMBER()),
               sensors,
-              config.getDEVICE_TAGS());
+              MetaUtil.getTags((int) curLoop % config.getDEVICE_NUMBER()));
       // create data of batch
       List<Record> records = new ArrayList<>();
       for (long batchOffset = 0; batchOffset < recordsNumPerDevice; batchOffset++) {

core/src/main/java/cn/edu/tsinghua/iot/benchmark/workload/SyntheticDataWorkLoad.java

@@ -25,6 +25,7 @@
 import cn.edu.tsinghua.iot.benchmark.entity.Record;
 import cn.edu.tsinghua.iot.benchmark.entity.Sensor;
 import cn.edu.tsinghua.iot.benchmark.exception.WorkloadException;
+import cn.edu.tsinghua.iot.benchmark.schema.MetaUtil;
 import cn.edu.tsinghua.iot.benchmark.schema.schemaImpl.DeviceSchema;
 
 import java.util.*;
@@ -47,7 +48,9 @@ public SyntheticDataWorkLoad(List<DeviceSchema> deviceSchemas) {
         for (Sensor sensor : schema.getSensors()) {
           DeviceSchema deviceSchema =
               new DeviceSchema(
-                  schema.getDeviceId(), Collections.singletonList(sensor), config.getDEVICE_TAGS());
+                  schema.getDeviceId(),
+                  Collections.singletonList(sensor),
+                  MetaUtil.getTags(schema.getDeviceId()));
           maxTimestampIndexMap.put(deviceSchema, 0L);
         }
       }

iotdb-0.12/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb012/IoTDB.java

@@ -599,7 +599,7 @@ private String addGroupByClause(String prefix, long start, long end, long granul
   protected String getDevicePath(DeviceSchema deviceSchema) {
     StringBuilder name = new StringBuilder(ROOT_SERIES_NAME);
     name.append(".").append(deviceSchema.getGroup());
-    for (Map.Entry<String, String> pair : config.getDEVICE_TAGS().entrySet()) {
+    for (Map.Entry<String, String> pair : deviceSchema.getTags().entrySet()) {
       name.append(".").append(pair.getValue());
     }
     name.append(".").append(deviceSchema.getDevice());

iotdb-0.13/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb013/IoTDB.java

@@ -652,7 +652,7 @@ private String addGroupByClause(String prefix, long start, long end, long granul
   protected String getDevicePath(DeviceSchema deviceSchema) {
     StringBuilder name = new StringBuilder(ROOT_SERIES_NAME);
     name.append(".").append(deviceSchema.getGroup());
-    for (Map.Entry<String, String> pair : config.getDEVICE_TAGS().entrySet()) {
+    for (Map.Entry<String, String> pair : deviceSchema.getTags().entrySet()) {
       name.append(".").append(pair.getValue());
     }
     name.append(".").append(deviceSchema.getDevice());

iotdb-1.0/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb100/IoTDB.java

@@ -652,7 +652,7 @@ private String addGroupByClause(String prefix, long start, long end, long granul
   protected String getDevicePath(DeviceSchema deviceSchema) {
     StringBuilder name = new StringBuilder(ROOT_SERIES_NAME);
     name.append(".").append(deviceSchema.getGroup());
-    for (Map.Entry<String, String> pair : config.getDEVICE_TAGS().entrySet()) {
+    for (Map.Entry<String, String> pair : deviceSchema.getTags().entrySet()) {
       name.append(".").append(pair.getValue());
     }
     name.append(".").append(deviceSchema.getDevice());

iotdb-1.1/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb110/IoTDB.java

@@ -676,7 +676,7 @@ private String addGroupByClause(String prefix, long start, long end, long granul
   protected String getDevicePath(DeviceSchema deviceSchema) {
     StringBuilder name = new StringBuilder(ROOT_SERIES_NAME);
     name.append(".").append(deviceSchema.getGroup());
-    for (Map.Entry<String, String> pair : config.getDEVICE_TAGS().entrySet()) {
+    for (Map.Entry<String, String> pair : deviceSchema.getTags().entrySet()) {
       name.append(".").append(pair.getValue());
     }
     name.append(".").append(deviceSchema.getDevice());