From fbb5e04ad76dbaeb8b7938d3f6e2eedea9a4cabf Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Sun, 16 Nov 2025 15:45:10 +0800
Subject: [PATCH 1/9] fix(server): ensure graph clear API does not clear meta
 table

---
 .../backend/store/hbase/HbaseStore.java       |  2 +
 .../unit/hbase/BaseHbaseUnitTest.java         | 63 +++++++++++++++++++
 .../hugegraph/unit/hbase/HbaseUnitTest.java   | 58 +++++++++++++++++
 3 files changed, 123 insertions(+)
 create mode 100644 hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
 create mode 100644 hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java

diff --git a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
index 1d75c00944..a17df5f41c 100644
--- a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
+++ b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
@@ -402,6 +402,8 @@ public void truncate() {
                     "Failed to truncate table for '%s' store", e, this.store);
         }
 
+        this.init();
+
         LOG.debug("Store truncated: {}", this.store);
     }
 
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
new file mode 100644
index 0000000000..c3fbcb8b13
--- /dev/null
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -0,0 +1,63 @@
+/*
+ *
+ *  * 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
+ *  *
+ *  *     http://www.apache.org/licenses/LICENSE-2.0
+ *  *
+ *  * 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.hugegraph.unit.hbase;
+
+import org.apache.hugegraph.backend.store.BackendStore;
+import org.apache.hugegraph.backend.store.hbase.HbaseStoreProvider;
+import org.apache.hugegraph.config.HugeConfig;
+import org.apache.hugegraph.unit.BaseUnitTest;
+import org.apache.hugegraph.unit.FakeObjects;
+import org.junit.After;
+import org.junit.Before;
+
+public class BaseHbaseUnitTest extends BaseUnitTest{
+
+    protected BackendStore store;
+
+    protected HugeConfig config;
+    protected HbaseStoreProvider provider;
+
+    @Before
+    public void setup() {
+        this.config = FakeObjects.newConfig();
+
+        this.provider = new HbaseStoreProvider();
+
+        this.store = this.provider.loadSystemStore(config);
+    }
+
+    @After
+    public void down(){
+        if (this.store != null) {
+            try {
+                this.store.close();
+            } catch (Exception e) {
+                // pass
+            }
+        }
+        if (this.provider != null) {
+            try {
+                this.provider.close();
+            } catch (Exception e) {
+                // pass
+            }
+        }
+    }
+}
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
new file mode 100644
index 0000000000..c4ed2e38b0
--- /dev/null
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
@@ -0,0 +1,58 @@
+/*
+ *
+ *  * 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
+ *  *
+ *  *     http://www.apache.org/licenses/LICENSE-2.0
+ *  *
+ *  * 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.hugegraph.unit.hbase;
+
+import org.apache.hugegraph.testutil.Assert;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class HbaseUnitTest extends BaseHbaseUnitTest {
+
+    private static final String GRAPH_NAME = "test_graph";
+
+    @Before
+    public void setUp(){
+        this.provider.open(GRAPH_NAME);
+        this.provider.init();
+    }
+
+    @After
+    public void teardown(){
+        if (this.store != null) {
+            this.store.close();
+        }
+        if (this.provider != null) {
+            this.provider.close();
+        }
+    }
+
+    @Test
+    public void testHbaseMetaVersion(){
+        // init store
+        this.store.init();
+        String beforeVersion = this.store.storedVersion();
+        this.store.truncate();
+        String afterInitVersion = this.store.storedVersion();
+        Assert.assertNotNull(beforeVersion);
+        Assert.assertNotNull(afterInitVersion);
+        Assert.assertEquals(beforeVersion, afterInitVersion);
+    }
+}

From 9c810fd18082a5d6184424b62f2a77f8026b48a5 Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Thu, 20 Nov 2025 23:56:27 +0800
Subject: [PATCH 2/9] fix(server): ensure graph clear API does not clear system
 table

---
 .../backend/store/hbase/HbaseStore.java       | 13 ++++++---
 .../unit/hbase/BaseHbaseUnitTest.java         | 28 +++++++-----------
 .../hugegraph/unit/hbase/HbaseUnitTest.java   | 29 +++++--------------
 3 files changed, 27 insertions(+), 43 deletions(-)

diff --git a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
index a17df5f41c..81bbf84db8 100644
--- a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
+++ b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
@@ -114,6 +114,14 @@ protected List<String> tableNames() {
                           .collect(Collectors.toList());
     }
 
+    protected List<String> truncatedTableNames() {
+        return this.tables.values().stream()
+                          .filter(table -> !(table instanceof HbaseTables.Meta ||
+                                           table instanceof HbaseTables.Counters))
+                          .map(BackendTable::table)
+                          .collect(Collectors.toList());
+    }
+
     public String namespace() {
         return this.namespace;
     }
@@ -371,7 +379,7 @@ public void truncate() {
         };
 
         // Truncate tables
-        List<String> tables = this.tableNames();
+        List<String> tables = this.truncatedTableNames();
         Map<String, Future<Void>> futures = new HashMap<>(tables.size());
 
         try {
@@ -401,9 +409,6 @@ public void truncate() {
             throw new BackendException(
                     "Failed to truncate table for '%s' store", e, this.store);
         }
-
-        this.init();
-
         LOG.debug("Store truncated: {}", this.store);
     }
 
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
index c3fbcb8b13..f162ff68fe 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -19,44 +19,38 @@
 
 package org.apache.hugegraph.unit.hbase;
 
-import org.apache.hugegraph.backend.store.BackendStore;
+import org.apache.commons.configuration2.Configuration;
 import org.apache.hugegraph.backend.store.hbase.HbaseStoreProvider;
 import org.apache.hugegraph.config.HugeConfig;
+import org.apache.hugegraph.testutil.Utils;
 import org.apache.hugegraph.unit.BaseUnitTest;
-import org.apache.hugegraph.unit.FakeObjects;
 import org.junit.After;
-import org.junit.Before;
 
 public class BaseHbaseUnitTest extends BaseUnitTest{
 
-    protected BackendStore store;
+    private static final String GRAPH_NAME = "test_graph";
 
     protected HugeConfig config;
     protected HbaseStoreProvider provider;
 
-    @Before
     public void setup() {
-        this.config = FakeObjects.newConfig();
-
+        Configuration conf = Utils.getConf();
+        this.config = new HugeConfig(conf);
         this.provider = new HbaseStoreProvider();
-
-        this.store = this.provider.loadSystemStore(config);
+        this.provider.open(GRAPH_NAME);
+        this.provider.loadSystemStore(config).open(config);
+        this.provider.loadGraphStore(config).open(config);
+        this.provider.loadSchemaStore(config).open(config);
+        this.provider.init();
     }
 
     @After
     public void down(){
-        if (this.store != null) {
-            try {
-                this.store.close();
-            } catch (Exception e) {
-                // pass
-            }
-        }
         if (this.provider != null) {
             try {
                 this.provider.close();
             } catch (Exception e) {
-                // pass
+                LOG.warn("Failed to close provider",e);
             }
         }
     }
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
index c4ed2e38b0..be594d8809 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
@@ -19,38 +19,23 @@
 
 package org.apache.hugegraph.unit.hbase;
 
+import org.apache.hugegraph.backend.store.BackendStore;
 import org.apache.hugegraph.testutil.Assert;
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
 public class HbaseUnitTest extends BaseHbaseUnitTest {
-
-    private static final String GRAPH_NAME = "test_graph";
-
     @Before
     public void setUp(){
-        this.provider.open(GRAPH_NAME);
-        this.provider.init();
-    }
-
-    @After
-    public void teardown(){
-        if (this.store != null) {
-            this.store.close();
-        }
-        if (this.provider != null) {
-            this.provider.close();
-        }
+        super.setup();
     }
 
     @Test
-    public void testHbaseMetaVersion(){
-        // init store
-        this.store.init();
-        String beforeVersion = this.store.storedVersion();
-        this.store.truncate();
-        String afterInitVersion = this.store.storedVersion();
+    public void testMysqlMetaVersion(){
+        BackendStore systemStore = this.provider.loadSystemStore(config);
+        String beforeVersion = systemStore.storedVersion();
+        this.provider.truncate();
+        String afterInitVersion = systemStore.storedVersion();
         Assert.assertNotNull(beforeVersion);
         Assert.assertNotNull(afterInitVersion);
         Assert.assertEquals(beforeVersion, afterInitVersion);

From 004684e3321b1fcebb7d1c7f2b72d2cf3ccf4712 Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Sun, 30 Nov 2025 14:35:13 +0800
Subject: [PATCH 3/9] fix(server): Improve the test cases

---
 .../backend/store/hbase/HbaseStore.java       |  8 +--
 .../unit/hbase/BaseHbaseUnitTest.java         |  8 ++-
 .../hugegraph/unit/hbase/HbaseUnitTest.java   | 58 +++++++++++++++++--
 3 files changed, 63 insertions(+), 11 deletions(-)

diff --git a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
index 81bbf84db8..d8f7943fac 100644
--- a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
+++ b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
@@ -115,10 +115,9 @@ protected List<String> tableNames() {
     }
 
     protected List<String> truncatedTableNames() {
-        return this.tables.values().stream()
-                          .filter(table -> !(table instanceof HbaseTables.Meta ||
-                                           table instanceof HbaseTables.Counters))
-                          .map(BackendTable::table)
+        return this.tables.entrySet().stream()
+                          .filter(e -> !(HugeType.META == e.getKey()))
+                          .map(e -> e.getValue().table())
                           .collect(Collectors.toList());
     }
 
@@ -409,6 +408,7 @@ public void truncate() {
             throw new BackendException(
                     "Failed to truncate table for '%s' store", e, this.store);
         }
+
         LOG.debug("Store truncated: {}", this.store);
     }
 
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
index f162ff68fe..1949474ca0 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -20,20 +20,24 @@
 package org.apache.hugegraph.unit.hbase;
 
 import org.apache.commons.configuration2.Configuration;
+import org.apache.hugegraph.backend.store.hbase.HbaseSessions;
 import org.apache.hugegraph.backend.store.hbase.HbaseStoreProvider;
 import org.apache.hugegraph.config.HugeConfig;
 import org.apache.hugegraph.testutil.Utils;
 import org.apache.hugegraph.unit.BaseUnitTest;
 import org.junit.After;
 
+import java.io.IOException;
+
 public class BaseHbaseUnitTest extends BaseUnitTest{
 
     private static final String GRAPH_NAME = "test_graph";
 
     protected HugeConfig config;
     protected HbaseStoreProvider provider;
+    protected HbaseSessions sessions;
 
-    public void setup() {
+    public void setup() throws IOException {
         Configuration conf = Utils.getConf();
         this.config = new HugeConfig(conf);
         this.provider = new HbaseStoreProvider();
@@ -42,6 +46,8 @@ public void setup() {
         this.provider.loadGraphStore(config).open(config);
         this.provider.loadSchemaStore(config).open(config);
         this.provider.init();
+        this.sessions = new HbaseSessions(config,GRAPH_NAME, this.provider.loadGraphStore(config).store());
+        this.sessions.open();
     }
 
     @After
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
index be594d8809..c0fca11d8c 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
@@ -19,25 +19,71 @@
 
 package org.apache.hugegraph.unit.hbase;
 
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hugegraph.backend.store.BackendEntry.BackendIterator;
 import org.apache.hugegraph.backend.store.BackendStore;
 import org.apache.hugegraph.testutil.Assert;
+import org.apache.hugegraph.backend.store.hbase.HbaseSessions;
+import org.apache.hugegraph.util.StringEncoding;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.io.IOException;
+
 public class HbaseUnitTest extends BaseHbaseUnitTest {
+
     @Before
-    public void setUp(){
+    public void setUp() throws IOException {
         super.setup();
     }
 
     @Test
-    public void testMysqlMetaVersion(){
+    public void testHbaseMetaVersionAfterTruncate() {
         BackendStore systemStore = this.provider.loadSystemStore(config);
+
+        // Record system version before truncation
         String beforeVersion = systemStore.storedVersion();
+
+        HbaseSessions.Session testsession = this.sessions.session();
+        
+        // Insert test data
+        testsession.put("g_v", "f".getBytes(), "row_trunc_v".getBytes(), StringEncoding.encode("q"), StringEncoding.encode("v"));
+        testsession.put("g_oe", "f".getBytes(), "row_trunc_oe".getBytes(), StringEncoding.encode("q"), StringEncoding.encode("v"));
+        testsession.put("g_ie", "f".getBytes(), "row_trunc_ie".getBytes(), StringEncoding.encode("q"), StringEncoding.encode("v"));
+        testsession.commit();
+
+        // Verify data insertion success
+        BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(), "row_trunc_v".getBytes());
+        BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(), "row_trunc_oe".getBytes());
+        BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(), "row_trunc_ie".getBytes());
+        
+        Assert.assertTrue("data should exist", vIterator.hasNext());
+        Assert.assertTrue("data should exist", oeIterator.hasNext());
+        Assert.assertTrue("data should exist", ieIterator.hasNext());
+        
+        vIterator.close();
+        oeIterator.close();
+        ieIterator.close();
+
+        // Execute truncate operation, clears all graph data but preserves system tables
         this.provider.truncate();
-        String afterInitVersion = systemStore.storedVersion();
-        Assert.assertNotNull(beforeVersion);
-        Assert.assertNotNull(afterInitVersion);
-        Assert.assertEquals(beforeVersion, afterInitVersion);
+
+        // Verify system version remains unchanged after truncation
+        String afterVersion = systemStore.storedVersion();
+        Assert.assertNotNull("System metadata version should exist",afterVersion);
+        Assert.assertEquals("System metadata version should remain unchanged after truncation", beforeVersion, afterVersion);
+
+        // Verify data has been cleared
+        vIterator = testsession.get("g_v", "f".getBytes(), "row_trunc_v".getBytes());
+        oeIterator = testsession.get("g_oe", "f".getBytes(), "row_trunc_oe".getBytes());
+        ieIterator = testsession.get("g_ie", "f".getBytes(), "row_trunc_ie".getBytes());
+        
+        Assert.assertFalse("data should not exist", vIterator.hasNext());
+        Assert.assertFalse("data should not exist", oeIterator.hasNext());
+        Assert.assertFalse("data should not exist", ieIterator.hasNext());
+
+        vIterator.close();
+        oeIterator.close();
+        ieIterator.close();
     }
 }

From 7676f54af0c9b8cccf3798ffdfa97bc96247886c Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Sat, 6 Dec 2025 20:10:39 +0800
Subject: [PATCH 4/9] fix(server): ensure graph clear API does not clear meta
 table

---
 .../backend/store/hbase/HbaseStore.java       |  1 +
 .../unit/hbase/BaseHbaseUnitTest.java         | 48 ++++++----
 .../hugegraph/unit/hbase/HbaseUnitTest.java   | 91 +++++++++----------
 3 files changed, 71 insertions(+), 69 deletions(-)

diff --git a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
index d8f7943fac..bc0f9f2b8b 100644
--- a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
+++ b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
@@ -115,6 +115,7 @@ protected List<String> tableNames() {
     }
 
     protected List<String> truncatedTableNames() {
+        // Exclude meta table to preserve system metadata during graph clear
         return this.tables.entrySet().stream()
                           .filter(e -> !(HugeType.META == e.getKey()))
                           .map(e -> e.getValue().table())
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
index 1949474ca0..c79ab79455 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -1,20 +1,18 @@
 /*
+ * 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
  *
- *  * 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
- *  *
- *  *     http://www.apache.org/licenses/LICENSE-2.0
- *  *
- *  * 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.
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
+ * 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.hugegraph.unit.hbase;
@@ -26,10 +24,11 @@
 import org.apache.hugegraph.testutil.Utils;
 import org.apache.hugegraph.unit.BaseUnitTest;
 import org.junit.After;
+import org.junit.Before;
 
 import java.io.IOException;
 
-public class BaseHbaseUnitTest extends BaseUnitTest{
+public class BaseHbaseUnitTest extends BaseUnitTest {
 
     private static final String GRAPH_NAME = "test_graph";
 
@@ -37,6 +36,7 @@ public class BaseHbaseUnitTest extends BaseUnitTest{
     protected HbaseStoreProvider provider;
     protected HbaseSessions sessions;
 
+    @Before
     public void setup() throws IOException {
         Configuration conf = Utils.getConf();
         this.config = new HugeConfig(conf);
@@ -46,17 +46,25 @@ public void setup() throws IOException {
         this.provider.loadGraphStore(config).open(config);
         this.provider.loadSchemaStore(config).open(config);
         this.provider.init();
-        this.sessions = new HbaseSessions(config,GRAPH_NAME, this.provider.loadGraphStore(config).store());
+        this.sessions =
+                new HbaseSessions(config, GRAPH_NAME, this.provider.loadGraphStore(config).store());
         this.sessions.open();
     }
 
     @After
-    public void down(){
-        if (this.provider != null) {
+    public void tearDown() {
+        if (this.sessions != null) {
             try {
-                this.provider.close();
+                this.sessions.close();
             } catch (Exception e) {
-                LOG.warn("Failed to close provider",e);
+                LOG.warn("Failed to close sessions ", e);
+            }
+        }
+        if (this.provider != null){
+            try {
+                this.provider.close();
+            }catch (Exception e){
+                LOG.warn("Failed to close provider ",e);
             }
         }
     }
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
index c0fca11d8c..96845b3e9d 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
@@ -1,20 +1,18 @@
 /*
+ * 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
  *
- *  * 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
- *  *
- *  *     http://www.apache.org/licenses/LICENSE-2.0
- *  *
- *  * 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.
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
+ * 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.hugegraph.unit.hbase;
@@ -25,18 +23,12 @@
 import org.apache.hugegraph.testutil.Assert;
 import org.apache.hugegraph.backend.store.hbase.HbaseSessions;
 import org.apache.hugegraph.util.StringEncoding;
-import org.junit.Before;
 import org.junit.Test;
 
-import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 
 public class HbaseUnitTest extends BaseHbaseUnitTest {
 
-    @Before
-    public void setUp() throws IOException {
-        super.setup();
-    }
-
     @Test
     public void testHbaseMetaVersionAfterTruncate() {
         BackendStore systemStore = this.provider.loadSystemStore(config);
@@ -45,45 +37,46 @@ public void testHbaseMetaVersionAfterTruncate() {
         String beforeVersion = systemStore.storedVersion();
 
         HbaseSessions.Session testsession = this.sessions.session();
-        
+
         // Insert test data
-        testsession.put("g_v", "f".getBytes(), "row_trunc_v".getBytes(), StringEncoding.encode("q"), StringEncoding.encode("v"));
-        testsession.put("g_oe", "f".getBytes(), "row_trunc_oe".getBytes(), StringEncoding.encode("q"), StringEncoding.encode("v"));
-        testsession.put("g_ie", "f".getBytes(), "row_trunc_ie".getBytes(), StringEncoding.encode("q"), StringEncoding.encode("v"));
+        testsession.put("g_v", "f".getBytes(StandardCharsets.UTF_8),
+                        "row_trunc_v".getBytes(StandardCharsets.UTF_8), StringEncoding.encode("q"),
+                        StringEncoding.encode("v"));
+        testsession.put("g_oe", "f".getBytes(StandardCharsets.UTF_8),
+                        "row_trunc_oe".getBytes(StandardCharsets.UTF_8),
+                        StringEncoding.encode("q"), StringEncoding.encode("v"));
+        testsession.put("g_ie", "f".getBytes(StandardCharsets.UTF_8),
+                        "row_trunc_ie".getBytes(StandardCharsets.UTF_8),
+                        StringEncoding.encode("q"), StringEncoding.encode("v"));
         testsession.commit();
 
         // Verify data insertion success
-        BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(), "row_trunc_v".getBytes());
-        BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(), "row_trunc_oe".getBytes());
-        BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(), "row_trunc_ie".getBytes());
-        
-        Assert.assertTrue("data should exist", vIterator.hasNext());
-        Assert.assertTrue("data should exist", oeIterator.hasNext());
-        Assert.assertTrue("data should exist", ieIterator.hasNext());
-        
-        vIterator.close();
-        oeIterator.close();
-        ieIterator.close();
-
+        try (
+                BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_v".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_oe".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_ie".getBytes(StandardCharsets.UTF_8));
+        ) {
+            Assert.assertTrue("data should exist", vIterator.hasNext());
+            Assert.assertTrue("data should exist", oeIterator.hasNext());
+            Assert.assertTrue("data should exist", ieIterator.hasNext());
+        }
         // Execute truncate operation, clears all graph data but preserves system tables
         this.provider.truncate();
 
         // Verify system version remains unchanged after truncation
         String afterVersion = systemStore.storedVersion();
-        Assert.assertNotNull("System metadata version should exist",afterVersion);
+        Assert.assertNotNull("System metadata version should exist", afterVersion);
         Assert.assertEquals("System metadata version should remain unchanged after truncation", beforeVersion, afterVersion);
 
         // Verify data has been cleared
-        vIterator = testsession.get("g_v", "f".getBytes(), "row_trunc_v".getBytes());
-        oeIterator = testsession.get("g_oe", "f".getBytes(), "row_trunc_oe".getBytes());
-        ieIterator = testsession.get("g_ie", "f".getBytes(), "row_trunc_ie".getBytes());
-        
-        Assert.assertFalse("data should not exist", vIterator.hasNext());
-        Assert.assertFalse("data should not exist", oeIterator.hasNext());
-        Assert.assertFalse("data should not exist", ieIterator.hasNext());
-
-        vIterator.close();
-        oeIterator.close();
-        ieIterator.close();
+        try (
+                BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_v".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_oe".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_ie".getBytes(StandardCharsets.UTF_8));
+        ) {
+            Assert.assertFalse("data should not exist", vIterator.hasNext());
+            Assert.assertFalse("data should not exist", oeIterator.hasNext());
+            Assert.assertFalse("data should not exist", ieIterator.hasNext());
+        }
     }
 }

From 06a09eb0bfd87d22dc84396281d45da5b6ce31d2 Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Sat, 13 Dec 2025 01:31:25 +0800
Subject: [PATCH 5/9] fix(server): ensure graph clear API does not clear meta
 table

---
 .../backend/store/hbase/HbaseStore.java       |  4 +--
 .../unit/hbase/BaseHbaseUnitTest.java         | 31 ++++++++++++-------
 .../hugegraph/unit/hbase/HbaseUnitTest.java   | 21 ++++++++-----
 3 files changed, 36 insertions(+), 20 deletions(-)

diff --git a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
index bc0f9f2b8b..7a9de48e26 100644
--- a/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
+++ b/hugegraph-server/hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseStore.java
@@ -114,7 +114,7 @@ protected List<String> tableNames() {
                           .collect(Collectors.toList());
     }
 
-    protected List<String> truncatedTableNames() {
+    protected List<String> getTableNamesExcludingMeta() {
         // Exclude meta table to preserve system metadata during graph clear
         return this.tables.entrySet().stream()
                           .filter(e -> !(HugeType.META == e.getKey()))
@@ -379,7 +379,7 @@ public void truncate() {
         };
 
         // Truncate tables
-        List<String> tables = this.truncatedTableNames();
+        List<String> tables = this.getTableNamesExcludingMeta();
         Map<String, Future<Void>> futures = new HashMap<>(tables.size());
 
         try {
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
index c79ab79455..5ebd281cf9 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -41,14 +41,21 @@ public void setup() throws IOException {
         Configuration conf = Utils.getConf();
         this.config = new HugeConfig(conf);
         this.provider = new HbaseStoreProvider();
-        this.provider.open(GRAPH_NAME);
-        this.provider.loadSystemStore(config).open(config);
-        this.provider.loadGraphStore(config).open(config);
-        this.provider.loadSchemaStore(config).open(config);
-        this.provider.init();
-        this.sessions =
-                new HbaseSessions(config, GRAPH_NAME, this.provider.loadGraphStore(config).store());
-        this.sessions.open();
+        try {
+            this.provider.open(GRAPH_NAME);
+            this.provider.loadSystemStore(config).open(config);
+            this.provider.loadGraphStore(config).open(config);
+            this.provider.loadSchemaStore(config).open(config);
+            // ensure back is clear
+            this.provider.truncate();
+            this.provider.init();
+            this.sessions = new HbaseSessions(config, GRAPH_NAME, this.provider.loadGraphStore(config).store());
+            this.sessions.open();
+        } catch (Exception e) {
+            tearDown();
+            LOG.warn("Failed to init Hbasetest ", e);
+        }
+
     }
 
     @After
@@ -60,11 +67,13 @@ public void tearDown() {
                 LOG.warn("Failed to close sessions ", e);
             }
         }
-        if (this.provider != null){
+        if (this.provider != null) {
+            // ensure back is clear
+            this.provider.truncate();
             try {
                 this.provider.close();
-            }catch (Exception e){
-                LOG.warn("Failed to close provider ",e);
+            } catch (Exception e) {
+                LOG.warn("Failed to close provider ", e);
             }
         }
     }
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
index 96845b3e9d..c851016139 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/HbaseUnitTest.java
@@ -52,9 +52,12 @@ public void testHbaseMetaVersionAfterTruncate() {
 
         // Verify data insertion success
         try (
-                BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_v".getBytes(StandardCharsets.UTF_8));
-                BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_oe".getBytes(StandardCharsets.UTF_8));
-                BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_ie".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(
+                        StandardCharsets.UTF_8), "row_trunc_v".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(
+                        StandardCharsets.UTF_8), "row_trunc_oe".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(
+                        StandardCharsets.UTF_8), "row_trunc_ie".getBytes(StandardCharsets.UTF_8));
         ) {
             Assert.assertTrue("data should exist", vIterator.hasNext());
             Assert.assertTrue("data should exist", oeIterator.hasNext());
@@ -66,13 +69,17 @@ public void testHbaseMetaVersionAfterTruncate() {
         // Verify system version remains unchanged after truncation
         String afterVersion = systemStore.storedVersion();
         Assert.assertNotNull("System metadata version should exist", afterVersion);
-        Assert.assertEquals("System metadata version should remain unchanged after truncation", beforeVersion, afterVersion);
+        Assert.assertEquals("System metadata version should remain unchanged after truncation",
+                            beforeVersion, afterVersion);
 
         // Verify data has been cleared
         try (
-                BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_v".getBytes(StandardCharsets.UTF_8));
-                BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_oe".getBytes(StandardCharsets.UTF_8));
-                BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(StandardCharsets.UTF_8), "row_trunc_ie".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> vIterator = testsession.get("g_v", "f".getBytes(
+                        StandardCharsets.UTF_8), "row_trunc_v".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> oeIterator = testsession.get("g_oe", "f".getBytes(
+                        StandardCharsets.UTF_8), "row_trunc_oe".getBytes(StandardCharsets.UTF_8));
+                BackendIterator<Result> ieIterator = testsession.get("g_ie", "f".getBytes(
+                        StandardCharsets.UTF_8), "row_trunc_ie".getBytes(StandardCharsets.UTF_8));
         ) {
             Assert.assertFalse("data should not exist", vIterator.hasNext());
             Assert.assertFalse("data should not exist", oeIterator.hasNext());

From 2bba64478940fa734ba17fecd2a1818efedb38e0 Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Sat, 13 Dec 2025 02:14:02 +0800
Subject: [PATCH 6/9] fix(server): ensure graph clear API does not clear meta
 table

---
 .../main/java/org/apache/hugegraph/unit/UnitTestSuite.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java
index a0cb72aa6c..f62c7b2110 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java
@@ -43,6 +43,7 @@
 import org.apache.hugegraph.unit.core.SerialEnumTest;
 import org.apache.hugegraph.unit.core.SystemSchemaStoreTest;
 import org.apache.hugegraph.unit.core.TraversalUtilTest;
+import org.apache.hugegraph.unit.hbase.HbaseUnitTest;
 import org.apache.hugegraph.unit.id.EdgeIdTest;
 import org.apache.hugegraph.unit.id.IdTest;
 import org.apache.hugegraph.unit.id.IdUtilTest;
@@ -140,6 +141,9 @@
         RocksDBSessionTest.class,
         RocksDBCountersTest.class,
 
+        /* hbase */
+        HbaseUnitTest.class,
+
         /* utils */
         VersionTest.class,
         JsonUtilTest.class,

From 77f20b713ac1af45334d3a9415a68d379ecef078 Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Wed, 14 Jan 2026 00:33:44 +0800
Subject: [PATCH 7/9] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8DCI/CD=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/java/org/apache/hugegraph/core/CoreTestSuite.java   | 5 ++++-
 .../main/java/org/apache/hugegraph/unit/UnitTestSuite.java   | 2 --
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/core/CoreTestSuite.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/core/CoreTestSuite.java
index 2ff62b06ef..2797b3287c 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/core/CoreTestSuite.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/core/CoreTestSuite.java
@@ -24,6 +24,7 @@
 import org.apache.hugegraph.meta.MetaManager;
 import org.apache.hugegraph.meta.PdMetaDriver;
 import org.apache.hugegraph.testutil.Utils;
+import org.apache.hugegraph.unit.hbase.HbaseUnitTest;
 import org.apache.hugegraph.util.Log;
 import org.junit.AfterClass;
 import org.junit.Assert;
@@ -47,7 +48,9 @@
         TaskCoreTest.class,
         AuthTest.class,
         MultiGraphsTest.class,
-        RamTableTest.class
+        RamTableTest.class,
+        /* hbase */
+        HbaseUnitTest.class,
 })
 public class CoreTestSuite {
 
diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java
index f62c7b2110..ec6d808a45 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/UnitTestSuite.java
@@ -141,8 +141,6 @@
         RocksDBSessionTest.class,
         RocksDBCountersTest.class,
 
-        /* hbase */
-        HbaseUnitTest.class,
 
         /* utils */
         VersionTest.class,

From aa5a973589ae88be4a5676d34130fcc7149865b8 Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Sun, 18 Jan 2026 01:45:36 +0800
Subject: [PATCH 8/9] =?UTF-8?q?feat:=20=E4=BF=AE=E5=A4=8DCI/CD=E6=B5=81?=
 =?UTF-8?q?=E7=A8=8B=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
index 5ebd281cf9..1a56ea76c7 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -25,6 +25,7 @@
 import org.apache.hugegraph.unit.BaseUnitTest;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Assume;
 
 import java.io.IOException;
 
@@ -39,6 +40,10 @@ public class BaseHbaseUnitTest extends BaseUnitTest {
     @Before
     public void setup() throws IOException {
         Configuration conf = Utils.getConf();
+        String backend = conf.getString("backend", "memory");
+        // Only run HBase related tests when backend is hbase
+        Assume.assumeTrue("Skip HBase tests when backend is not hbase",
+                          "hbase".equalsIgnoreCase(backend));
         this.config = new HugeConfig(conf);
         this.provider = new HbaseStoreProvider();
         try {

From cd658fbaca801012da87ea61a7b5e3a714a4493f Mon Sep 17 00:00:00 2001
From: LYD031106 <2565506388@qq.com>
Date: Mon, 19 Jan 2026 01:23:56 +0800
Subject: [PATCH 9/9] fix: debug

---
 .../java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java | 2 --
 1 file changed, 2 deletions(-)

diff --git a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
index 1a56ea76c7..449af964c8 100644
--- a/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
+++ b/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/hbase/BaseHbaseUnitTest.java
@@ -51,8 +51,6 @@ public void setup() throws IOException {
             this.provider.loadSystemStore(config).open(config);
             this.provider.loadGraphStore(config).open(config);
             this.provider.loadSchemaStore(config).open(config);
-            // ensure back is clear
-            this.provider.truncate();
             this.provider.init();
             this.sessions = new HbaseSessions(config, GRAPH_NAME, this.provider.loadGraphStore(config).store());
             this.sessions.open();