diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestHsyncGenerator.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestHsyncGenerator.java
new file mode 100644
index 000000000000..7026f32d8b31
--- /dev/null
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestHsyncGenerator.java
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.ozone.freon;
+
+import org.apache.hadoop.hdds.conf.DatanodeRatisServerConfig;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdds.ratis.conf.RatisClientConfig;
+import org.apache.hadoop.ozone.MiniOzoneCluster;
+import org.apache.hadoop.ozone.client.ObjectStore;
+import org.apache.hadoop.ozone.client.OzoneClient;
+import org.apache.hadoop.ozone.client.OzoneVolume;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import picocli.CommandLine;
+
+import java.io.IOException;
+import java.time.Duration;
+
+import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_FS_HSYNC_ENABLED;
+import static org.apache.hadoop.ozone.OzoneConsts.OZONE_OFS_URI_SCHEME;
+import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_ADDRESS_KEY;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * Tests Freon HsyncGenerator with MiniOzoneCluster and validate data.
+ */
+public class TestHsyncGenerator {
+  private static MiniOzoneCluster cluster = null;
+
+  private static void startCluster(OzoneConfiguration conf) throws Exception {
+    DatanodeRatisServerConfig ratisServerConfig =
+        conf.getObject(DatanodeRatisServerConfig.class);
+    ratisServerConfig.setRequestTimeOut(Duration.ofSeconds(3));
+    ratisServerConfig.setWatchTimeOut(Duration.ofSeconds(10));
+    conf.setFromObject(ratisServerConfig);
+
+    RatisClientConfig.RaftConfig raftClientConfig =
+        conf.getObject(RatisClientConfig.RaftConfig.class);
+    raftClientConfig.setRpcRequestTimeout(Duration.ofSeconds(3));
+    raftClientConfig.setRpcWatchRequestTimeout(Duration.ofSeconds(10));
+    conf.setFromObject(raftClientConfig);
+    conf.set(OZONE_FS_HSYNC_ENABLED, "true");
+
+    cluster = MiniOzoneCluster.newBuilder(conf)
+        .setNumDatanodes(5).build();
+    cluster.waitForClusterToBeReady();
+  }
+
+  static void shutdownCluster() {
+    if (cluster != null) {
+      cluster.shutdown();
+    }
+  }
+
+  @BeforeAll
+  public static void init() throws Exception {
+    OzoneConfiguration conf = new OzoneConfiguration();
+    startCluster(conf);
+  }
+
+  @AfterAll
+  public static void shutdown() {
+    shutdownCluster();
+  }
+
+  @Test
+  public void test() throws IOException {
+    HsyncGenerator randomKeyGenerator =
+        new HsyncGenerator(cluster.getConf());
+    CommandLine cmd = new CommandLine(randomKeyGenerator);
+
+    String volumeName = "vol1";
+    String bucketName = "bucket1";
+    try (OzoneClient client = cluster.newClient()) {
+      ObjectStore store = client.getObjectStore();
+      store.createVolume(volumeName);
+      OzoneVolume volume = store.getVolume(volumeName);
+      volume.createBucket(bucketName);
+
+      String rootPath = String.format("%s://%s/%s/%s/",
+          OZONE_OFS_URI_SCHEME, cluster.getConf().get(OZONE_OM_ADDRESS_KEY),
+          volumeName, bucketName);
+
+      int exitCode = cmd.execute(
+          "--path", rootPath,
+          "--bytes-per-write", "1024",
+          "--number-of-files", "2",
+          "-t", "5",
+          "-n", "100");
+      assertEquals(0, exitCode);
+    }
+  }
+}
diff --git a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/Freon.java b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/Freon.java
index 349887a776d3..d0c9a33b330f 100644
--- a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/Freon.java
+++ b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/Freon.java
@@ -74,7 +74,8 @@
         RangeKeysGenerator.class,
         DatanodeSimulator.class,
         OmMetadataGenerator.class,
-        DNRPCLoadGenerator.class
+        DNRPCLoadGenerator.class,
+        HsyncGenerator.class
     },
     versionProvider = HddsVersionProvider.class,
     mixinStandardHelpOptions = true)
diff --git a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/HsyncGenerator.java b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/HsyncGenerator.java
new file mode 100644
index 000000000000..962a7448060e
--- /dev/null
+++ b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/HsyncGenerator.java
@@ -0,0 +1,154 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership.  The ASF
+ * licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.apache.hadoop.ozone.freon;
+
+import java.net.URI;
+import java.util.concurrent.Callable;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdds.cli.HddsVersionProvider;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+
+import com.codahale.metrics.Timer;
+import org.apache.hadoop.ozone.util.PayloadUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import picocli.CommandLine;
+import picocli.CommandLine.Command;
+import picocli.CommandLine.Option;
+
+/**
+ * Data generator tool test hsync/write synchronization performance.
+ *
+ * Example usage:
+ *
+ * To generate 1000 hsync calls with 10 threads on a single file:
+ *    ozone freon hsync-generator -t 10 --bytes-per-write=1024 -n 1000
+ *
+ * To generate 1000 hsync calls with 10 threads on 3 files simultaneously:
+ *
+ *    ozone freon hsync-generator -t 10 --bytes-per-write=1024 --number-of-files=3 -n 1000
+ *
+ */
+@Command(name = "hg",
+    aliases = "hsync-generator",
+    description = "Generate writes and hsync traffic on one or multiple files.",
+    versionProvider = HddsVersionProvider.class,
+    mixinStandardHelpOptions = true,
+    showDefaultValues = true)
+public class HsyncGenerator extends BaseFreonGenerator implements Callable<Void> {
+  private static final Logger LOG = LoggerFactory.getLogger(HsyncGenerator.class);
+
+  @CommandLine.ParentCommand
+  private Freon freon;
+
+  @Option(names = {"--path"},
+      description = "Hadoop FS file system path. Use full path.",
+      defaultValue = "o3fs://bucket1.vol1")
+  private String rootPath;
+
+  @Option(names = {"--bytes-per-write"},
+      description = "Size of each write",
+      defaultValue = "1024")
+  private int writeSize;
+
+  @Option(names = {"--number-of-files"},
+      description = "Number of files to run test.",
+      defaultValue = "1")
+  private int numberOfFiles;
+
+  private Timer timer;
+
+  private OzoneConfiguration configuration;
+  private FileSystem[] fileSystems;
+  private FSDataOutputStream[] outputStreams;
+  private Path[] files;
+  private AtomicInteger[] callsPerFile;
+
+  public HsyncGenerator() {
+  }
+  private byte[] data;
+
+  @VisibleForTesting
+  HsyncGenerator(OzoneConfiguration ozoneConfiguration) {
+    this.configuration = ozoneConfiguration;
+  }
+
+  @Override
+  public Void call() throws Exception {
+    init();
+
+    if (configuration == null) {
+      configuration = freon.createOzoneConfiguration();
+    }
+    URI uri = URI.create(rootPath);
+
+    fileSystems = new FileSystem[numberOfFiles];
+    outputStreams = new FSDataOutputStream[numberOfFiles];
+    files = new Path[numberOfFiles];
+    callsPerFile = new AtomicInteger[numberOfFiles];
+    for (int i = 0; i < numberOfFiles; i++) {
+      FileSystem fileSystem = FileSystem.get(uri, configuration);
+      Path file = new Path(rootPath + "/" + generateObjectName(i));
+      fileSystem.mkdirs(file.getParent());
+      outputStreams[i] = fileSystem.create(file);
+      fileSystems[i] = fileSystem;
+      files[i] = file;
+      callsPerFile[i] = new AtomicInteger();
+
+      LOG.info("Created file for testing: {}", file);
+    }
+
+    timer = getMetrics().timer("hsync-generator");
+    data = PayloadUtils.generatePayload(writeSize);
+
+    try {
+      runTests(this::sendHsync);
+    } finally {
+      for (FSDataOutputStream outputStream : outputStreams) {
+        outputStream.close();
+      }
+      for (FileSystem fs : fileSystems) {
+        fs.close();
+      }
+    }
+
+    StringBuilder distributionReport = new StringBuilder();
+    for (int i = 0; i < numberOfFiles; i++) {
+      distributionReport.append("\t").append(files[i]).append(": ").append(callsPerFile[i]).append("\n");
+    }
+
+    LOG.info("Hsync generator finished, calls distribution: \n {}", distributionReport);
+
+    return null;
+  }
+
+  private void sendHsync(long counter) throws Exception {
+    timer.time(() -> {
+      int i = ((int) counter) % numberOfFiles;
+      FSDataOutputStream outputStream = outputStreams[i];
+      outputStream.write(data);
+      outputStream.hsync();
+      callsPerFile[i].incrementAndGet();
+      return null;
+    });
+  }
+}