[maven-release-plugin] prepare release kylin-2.6.3
diff --git a/assembly/pom.xml b/assembly/pom.xml
index a1cbd82..49f1466 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <properties>
diff --git a/cache/pom.xml b/cache/pom.xml
index a15b2d2..c566224 100644
--- a/cache/pom.xml
+++ b/cache/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-common/pom.xml b/core-common/pom.xml
index 1647be8..0560f77 100644
--- a/core-common/pom.xml
+++ b/core-common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-cube/pom.xml b/core-cube/pom.xml
index 6a632b0..3c56399 100644
--- a/core-cube/pom.xml
+++ b/core-cube/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-dictionary/pom.xml b/core-dictionary/pom.xml
index 5b79f46..3f59a6c 100644
--- a/core-dictionary/pom.xml
+++ b/core-dictionary/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-job/pom.xml b/core-job/pom.xml
index dfbcdbc..fea23b6 100644
--- a/core-job/pom.xml
+++ b/core-job/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-metadata/pom.xml b/core-metadata/pom.xml
index bdf4048..e5d0091 100644
--- a/core-metadata/pom.xml
+++ b/core-metadata/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-metrics/pom.xml b/core-metrics/pom.xml
index 7700308..9918992 100644
--- a/core-metrics/pom.xml
+++ b/core-metrics/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/core-storage/pom.xml b/core-storage/pom.xml
index 70595c4..34586c1 100644
--- a/core-storage/pom.xml
+++ b/core-storage/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/datasource-sdk/pom.xml b/datasource-sdk/pom.xml
index c9b950d..41552ac 100644
--- a/datasource-sdk/pom.xml
+++ b/datasource-sdk/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/engine-mr/pom.xml b/engine-mr/pom.xml
index dc190c0..51fd86a 100644
--- a/engine-mr/pom.xml
+++ b/engine-mr/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/engine-spark/pom.xml b/engine-spark/pom.xml
index f4f6c82..902f0f1 100644
--- a/engine-spark/pom.xml
+++ b/engine-spark/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index eea0cad..02c08aa 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <properties>
diff --git a/kylin-it/pom.xml b/kylin-it/pom.xml
index ce59563..2caf90a 100644
--- a/kylin-it/pom.xml
+++ b/kylin-it/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <properties>
diff --git a/metrics-reporter-hive/pom.xml b/metrics-reporter-hive/pom.xml
index 9ca49ff..0dcf962 100644
--- a/metrics-reporter-hive/pom.xml
+++ b/metrics-reporter-hive/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/metrics-reporter-kafka/pom.xml b/metrics-reporter-kafka/pom.xml
index cda6b30..19f5cd2 100644
--- a/metrics-reporter-kafka/pom.xml
+++ b/metrics-reporter-kafka/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 84253be..0d10539 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
   <groupId>org.apache.kylin</groupId>
   <artifactId>kylin</artifactId>
   <packaging>pom</packaging>
-  <version>2.6.3-SNAPSHOT</version>
+  <version>2.6.3</version>
 
   <name>Apache Kylin</name>
   <url>http://kylin.apache.org</url>
@@ -207,7 +207,7 @@
     <developerConnection>scm:git:ssh://git@github.com/apache/kylin.git
     </developerConnection>
     <url>https://github.com/apache/kylin</url>
-    <tag>HEAD</tag>
+    <tag>kylin-2.6.3</tag>
   </scm>
 
   <dependencyManagement>
diff --git a/query/pom.xml b/query/pom.xml
index 5104f71..9b54109 100644
--- a/query/pom.xml
+++ b/query/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/server-base/pom.xml b/server-base/pom.xml
index 8f4e102..046b7bf 100644
--- a/server-base/pom.xml
+++ b/server-base/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index 40d29bf..ed4868c 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/source-hive/pom.xml b/source-hive/pom.xml
index 58f73c1..b22c745 100644
--- a/source-hive/pom.xml
+++ b/source-hive/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/source-jdbc/pom.xml b/source-jdbc/pom.xml
index 7548457..41080a4 100644
--- a/source-jdbc/pom.xml
+++ b/source-jdbc/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/source-kafka/pom.xml b/source-kafka/pom.xml
index 94bcec0..f6d2c2b 100644
--- a/source-kafka/pom.xml
+++ b/source-kafka/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/storage-hbase/pom.xml b/storage-hbase/pom.xml
index 5355e18..c178653 100644
--- a/storage-hbase/pom.xml
+++ b/storage-hbase/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <properties>
diff --git a/tomcat-ext/pom.xml b/tomcat-ext/pom.xml
index a085f1b..9e4b2eb 100644
--- a/tomcat-ext/pom.xml
+++ b/tomcat-ext/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <dependencies>
diff --git a/tool-assembly/pom.xml b/tool-assembly/pom.xml
index 3510aaa..5e4499a 100644
--- a/tool-assembly/pom.xml
+++ b/tool-assembly/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <properties>
diff --git a/tool/pom.xml b/tool/pom.xml
index 9ffb0e4..18e9918 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.6.3-SNAPSHOT</version>
+        <version>2.6.3</version>
     </parent>
 
     <properties>