diff --git a/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 2dd3f4b62..bec1679d0 100644
--- a/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -54,6 +54,7 @@ public class RedissonSessionManager extends ManagerBase implements Lifecycle {
     private String configPath;
     private ReadMode readMode = ReadMode.MEMORY;
     private UpdateMode updateMode = UpdateMode.DEFAULT;
+    private String keySpace = "";
     
     public String getUpdateMode() {
         return updateMode.toString();
@@ -78,6 +79,14 @@ public class RedissonSessionManager extends ManagerBase implements Lifecycle {
     public String getConfigPath() {
         return configPath;
     }
+
+    public String getKeySpace() {
+        return this.keySpace;
+    }
+
+    public void setKeySpace(String keySpace) {
+        this.keySpace = keySpace;
+    }
     
     @Override
     public int getRejectedSessions() {
@@ -131,7 +140,7 @@ public class RedissonSessionManager extends ManagerBase implements Lifecycle {
     }
 
     public RMap<String, Object> getMap(String sessionId) {
-        return redisson.getMap("redisson_tomcat_session:" + sessionId);
+        return redisson.getMap(keySpace + "redisson_tomcat_session:" + sessionId);
     }
     
     @Override
diff --git a/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 4df80d6ae..f43cb8f02 100644
--- a/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -52,6 +52,8 @@ public class RedissonSessionManager extends ManagerBase {
     
     private ReadMode readMode = ReadMode.MEMORY;
     private UpdateMode updateMode = UpdateMode.DEFAULT;
+
+    private String keySpace = "";
     
     public String getUpdateMode() {
         return updateMode.toString();
@@ -76,6 +78,14 @@ public class RedissonSessionManager extends ManagerBase {
     public String getConfigPath() {
         return configPath;
     }
+
+    public String getKeySpace() {
+        return this.keySpace;
+    }
+
+    public void setKeySpace(String keySpace) {
+        this.keySpace = keySpace;
+    }
     
     @Override
     public String getName() {
@@ -110,7 +120,7 @@ public class RedissonSessionManager extends ManagerBase {
     }
 
     public RMap<String, Object> getMap(String sessionId) {
-        return redisson.getMap("redisson_tomcat_session:" + sessionId);
+        return redisson.getMap(keySpace + "redisson_tomcat_session:" + sessionId);
     }
     
     @Override
diff --git a/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 88ddda4a3..ce9121f7a 100644
--- a/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -51,6 +51,8 @@ public class RedissonSessionManager extends ManagerBase {
     
     private ReadMode readMode = ReadMode.MEMORY;
     private UpdateMode updateMode = UpdateMode.DEFAULT;
+
+    private String keySpace = "";
     
     public String getUpdateMode() {
         return updateMode.toString();
@@ -75,6 +77,14 @@ public class RedissonSessionManager extends ManagerBase {
     public String getConfigPath() {
         return configPath;
     }
+
+    public String getKeySpace() {
+        return this.keySpace;
+    }
+
+    public void setKeySpace(String keySpace) {
+        this.keySpace = keySpace;
+    }
     
     @Override
     public String getName() {
@@ -109,7 +119,7 @@ public class RedissonSessionManager extends ManagerBase {
     }
 
     public RMap<String, Object> getMap(String sessionId) {
-        return redisson.getMap("redisson_tomcat_session:" + sessionId);
+        return redisson.getMap(keySpace + "redisson_tomcat_session:" + sessionId);
     }
     
     @Override
diff --git a/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index eadd455de..182edfc14 100644
--- a/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -51,6 +51,8 @@ public class RedissonSessionManager extends ManagerBase {
     
     private ReadMode readMode = ReadMode.MEMORY;
     private UpdateMode updateMode = UpdateMode.DEFAULT;
+
+    private String keySpace = "";
     
     public String getUpdateMode() {
         return updateMode.toString();
@@ -75,6 +77,14 @@ public class RedissonSessionManager extends ManagerBase {
     public String getConfigPath() {
         return configPath;
     }
+
+    public String getKeySpace() {
+        return this.keySpace;
+    }
+
+    public void setKeySpace(String keySpace) {
+        this.keySpace = keySpace;
+    }
     
     @Override
     public String getName() {
@@ -109,7 +119,7 @@ public class RedissonSessionManager extends ManagerBase {
     }
 
     public RMap<String, Object> getMap(String sessionId) {
-        return redisson.getMap("redisson_tomcat_session:" + sessionId);
+        return redisson.getMap(keySpace + "redisson_tomcat_session:" + sessionId);
     }
     
     @Override