diff --git a/charts/graphscope-store/values.yaml b/charts/graphscope-store/values.yaml
index 883131b45be2..063a81baa478 100644
--- a/charts/graphscope-store/values.yaml
+++ b/charts/graphscope-store/values.yaml
@@ -497,7 +497,7 @@ javaOpts: ""
 
 graphName: "graphscope"
 
-rpcMaxBytesMb: 4
+rpcMaxBytesMb: 20
 
 engineType: "gaia"
 
diff --git a/docs/storage_engine/groot.md b/docs/storage_engine/groot.md
index ac2a5750c002..60ac625dc89c 100644
--- a/docs/storage_engine/groot.md
+++ b/docs/storage_engine/groot.md
@@ -430,7 +430,7 @@ skip.header=true
 load.after.build=true
 # This is not required when load.after.build=true
 # hadoop.endpoint=127.0.0.1:9000
-# ```
+```
   
   Details of the parameters are listed below:
   
diff --git a/interactive_engine/data-load-tool/src/main/java/com/alibaba/graphscope/groot/dataload/databuild/OfflineBuildOdps.java b/interactive_engine/data-load-tool/src/main/java/com/alibaba/graphscope/groot/dataload/databuild/OfflineBuildOdps.java
index d8663df4e8d2..79a98ba8722a 100644
--- a/interactive_engine/data-load-tool/src/main/java/com/alibaba/graphscope/groot/dataload/databuild/OfflineBuildOdps.java
+++ b/interactive_engine/data-load-tool/src/main/java/com/alibaba/graphscope/groot/dataload/databuild/OfflineBuildOdps.java
@@ -224,6 +224,11 @@ public static void main(String[] args) throws IOException {
                 client.clearIngest(uniquePath);
                 throw ex;
             }
+            try {
+                client.clearIngest(uniquePath);
+            } catch (Exception ex) {
+                logger.error("Clear ingest failed, ignored.");
+            }
         }
     }
 
diff --git a/interactive_engine/groot-client/pom.xml b/interactive_engine/groot-client/pom.xml
index 01d2b7c3f0dd..9b46320d90ed 100644
--- a/interactive_engine/groot-client/pom.xml
+++ b/interactive_engine/groot-client/pom.xml
@@ -181,7 +181,6 @@
                         <argument>com.alibaba.graphscope.groot.sdk.example.RealtimeWrite</argument>
                     </arguments>
                     <mainClass>com.alibaba.graphscope.groot.sdk.example.RealtimeWrite</mainClass>
-                    <complianceLevel>1.11</complianceLevel>
                     <killAfter>-1</killAfter>
                 </configuration>
             </plugin>
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java
index b183ca71736b..9632d482092d 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java
@@ -106,6 +106,7 @@ private void recoverInternal() throws IOException, ExecutionException, Interrupt
         this.graphDefRef.set(graphDef);
         this.ready = true;
         logger.info("SchemaManager recovered. version [" + graphDef.getVersion() + "]");
+        logger.info(graphDef.toProto().toString());
     }
 
     public void stop() {
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/ClientService.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/ClientService.java
index 7c20e804f23f..de816a69cff4 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/ClientService.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/ClientService.java
@@ -380,9 +380,11 @@ public void clearIngest(
         int storeCount = this.metaService.getStoreCount();
         AtomicInteger counter = new AtomicInteger(storeCount);
         AtomicBoolean finished = new AtomicBoolean(false);
+        String dataPath = request.getDataPath();
         for (int i = 0; i < storeCount; i++) {
             this.storeIngestor.clearIngest(
                     i,
+                    dataPath,
                     new CompletionCallback<Void>() {
                         @Override
                         public void onCompleted(Void res) {
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClient.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClient.java
index b1daa9d9f1de..9a8f3e1b70bb 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClient.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClient.java
@@ -58,9 +58,9 @@ public void onCompleted() {}
                 });
     }
 
-    public void storeClearIngest(CompletionCallback<Void> callback) {
+    public void storeClearIngest(String path, CompletionCallback<Void> callback) {
         this.stub.storeClearIngest(
-                StoreClearIngestRequest.newBuilder().build(),
+                StoreClearIngestRequest.newBuilder().setDataPath(path).build(),
                 new StreamObserver<StoreClearIngestResponse>() {
                     @Override
                     public void onNext(StoreClearIngestResponse storeClearIngestResponse) {
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClients.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClients.java
index 2bb4b5d8f208..ea2d2008b291 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClients.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestClients.java
@@ -48,7 +48,7 @@ public void ingest(
     }
 
     @Override
-    public void clearIngest(int storeId, CompletionCallback<Void> callback) {
-        this.getClient(storeId).storeClearIngest(callback);
+    public void clearIngest(int storeId, String path, CompletionCallback<Void> callback) {
+        this.getClient(storeId).storeClearIngest(path, callback);
     }
 }
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestor.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestor.java
index 8a99e8dd6b9d..285ca06d3620 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestor.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/StoreIngestor.java
@@ -26,5 +26,5 @@ void ingest(
             Map<String, String> config,
             CompletionCallback<Void> callback);
 
-    void clearIngest(int storeId, CompletionCallback<Void> callback);
+    void clearIngest(int storeId, String path, CompletionCallback<Void> callback);
 }
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/store/StoreService.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/store/StoreService.java
index 475a62a713cd..6e9c2d6e61ae 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/store/StoreService.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/store/StoreService.java
@@ -224,9 +224,11 @@ public boolean batchWrite(StoreDataBatch storeDataBatch)
         long snapshotId = storeDataBatch.getSnapshotId();
         List<Map<Integer, OperationBatch>> dataBatch = storeDataBatch.getDataBatch();
         AtomicBoolean hasDdl = new AtomicBoolean(false);
+        int maxRetry = 10;
         for (Map<Integer, OperationBatch> partitionToBatch : dataBatch) {
-            while (!shouldStop && partitionToBatch.size() != 0) {
+            while (!shouldStop && partitionToBatch.size() != 0 && maxRetry > 0) {
                 partitionToBatch = writeStore(snapshotId, partitionToBatch, hasDdl);
+                maxRetry--;
             }
         }
         return hasDdl.get();
@@ -364,12 +366,11 @@ private void ingestDataInternal(
     }
 
     public void clearIngest(String dataPath) throws IOException {
-        String dataRoot = StoreConfig.STORE_DATA_PATH.get(storeConfigs);
         if (dataPath == null || dataPath.isEmpty()) {
             logger.warn("Must set a sub-path for clearing.");
             return;
         }
-
+        String dataRoot = StoreConfig.STORE_DATA_PATH.get(storeConfigs);
         Path downloadPath = Paths.get(dataRoot, "download", dataPath);
         try {
             logger.info("Clearing directory {}", downloadPath);
diff --git a/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/ir/IrServiceProducer.java b/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/ir/IrServiceProducer.java
index bf8dde2f6005..c7d7ac83fc8a 100644
--- a/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/ir/IrServiceProducer.java
+++ b/interactive_engine/groot-server/src/main/java/com/alibaba/graphscope/groot/servers/ir/IrServiceProducer.java
@@ -56,7 +56,7 @@ public AbstractService makeGraphService(
         ChannelFetcher channelFetcher =
                 new RpcChannelManagerFetcher(channelManager, executorCount, RoleType.GAIA_RPC);
         com.alibaba.graphscope.common.config.Configs irConfigs = getConfigs();
-        logger.info("IR Config: {}", irConfigs);
+        logger.info("IR configs: {}", irConfigs);
         IrMetaFetcher irMetaFetcher = new GrootMetaFetcher(schemaFetcher);
         SnapshotUpdateCommitter updateCommitter = new SnapshotUpdateCommitter(channelManager);
         int frontendId = CommonConfig.NODE_IDX.get(configs);
diff --git a/interactive_engine/pom.xml b/interactive_engine/pom.xml
index 61733289326d..f20ecc0a98a1 100644
--- a/interactive_engine/pom.xml
+++ b/interactive_engine/pom.xml
@@ -114,6 +114,13 @@
       </modules>
       <build>
         <plugins>
+            <plugin>
+              <artifactId>maven-compiler-plugin</artifactId>
+              <configuration>
+                <source>1.8</source>
+                <target>1.8</target>
+              </configuration>
+            </plugin>
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-gpg-plugin</artifactId>
@@ -216,6 +223,9 @@
     <exec.maven.version>3.0.0</exec.maven.version>
     <scala.maven.version>3.2.2</scala.maven.version>
     <cobertura.maven.version>2.7</cobertura.maven.version>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
+
     <noe4j.version>4.4.0</noe4j.version>
   </properties>