fix snapshot backup

Author: dzdx

pom.xml

@@ -79,6 +79,7 @@
         <metrics.version>4.0.2</metrics.version>
         <commons-io.version>2.4</commons-io.version>
         <jetty.version>[9.4.17.v20190418,9.4.19.v20190610]</jetty.version>
+        <rocksdbjni.version>6.4.6</rocksdbjni.version>
         <main.user.dir>${user.dir}</main.user.dir>
         <argLine>-Dnetwork_interface_denylist=docker0</argLine>
     </properties>
@@ -343,6 +344,11 @@
                 <version>${powermock.version}</version>
                 <scope>test</scope>
             </dependency>
+            <dependency>
+                <groupId>org.rocksdb</groupId>
+                <artifactId>rocksdbjni</artifactId>
+                <version>${rocksdbjni.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 

server/server/data/src/main/java/com/alipay/sofa/registry/server/data/bootstrap/DataServerBeanConfiguration.java

@@ -418,6 +418,7 @@ public List<IDataChangeNotifier> dataChangeNotifiers() {
             list.add(sessionServerNotifier());
             list.add(tempPublisherNotifier());
             list.add(backUpNotifier());
+            list.add(snapshotBackUpNotifier());
             return list;
         }
 

server/server/data/src/main/java/com/alipay/sofa/registry/server/data/renew/LocalDataServerCleanHandler.java

@@ -94,9 +94,9 @@ public LocalDataServerCleanHandler() {
      */
     public void reset() {
         synchronized (LocalDataServerCleanHandler.class) {
-            if (EVENT_QUEUE.isEmpty() && task != null) {
+            EVENT_QUEUE.clear();
+            if (task != null) {
                 task.stop();
-                EVENT_QUEUE.clear();
             }
         }
         EVENT_QUEUE.add(new DelayItem<>(new LocalCleanTask(), dataServerConfig