diff --git a/docs/documentation/deployment/deploy-distributed.rst b/docs/documentation/deployment/deploy-distributed.rst
index f171c9d..efdc409 100644
--- a/docs/documentation/deployment/deploy-distributed.rst
+++ b/docs/documentation/deployment/deploy-distributed.rst
@@ -34,6 +34,7 @@ Then you can create a configuration file in the following format:
         "etcd_prefix": "gart_meta_",
         // entrypoint of the kafka server
         "kafka_server": "127.0.0.1:9092",
+        // total number of subgraphs
         "total_subgraph_num": 2,
         // path to the GART build folder
         "gart_bin_path": "/path/to/GART/build/",
diff --git a/docs/documentation/deployment/deploy-k8s.rst b/docs/documentation/deployment/deploy-k8s.rst
index 15b20f4..011fea2 100644
--- a/docs/documentation/deployment/deploy-k8s.rst
+++ b/docs/documentation/deployment/deploy-k8s.rst
@@ -1,4 +1,7 @@
 .. _deploy-k8s:
 
-Distributed on Kubernetes
+Deployment on Kubernetes
 ========================================
+
+GART also supports deployment on Kubernetes. The following steps will guide you through the process of deploying GART on Kubernetes.
+
diff --git a/vegito/test/schema/ldbc.ddl b/vegito/test/schema/ldbc.ddl
new file mode 100644
index 0000000..4f9305f
--- /dev/null
+++ b/vegito/test/schema/ldbc.ddl
@@ -0,0 +1,234 @@
+CREATE DATABASE IF NOT EXISTS ldbc;
+USE ldbc;
+
+CREATE TABLE organisation (
+            org_id BIGINT NOT NULL,
+            org_type VARCHAR(255),
+            org_name TEXT,
+            org_url TEXT,
+            PRIMARY KEY (org_id)
+        );
+        
+CREATE TABLE place (
+            pla_id BIGINT NOT NULL,
+            pla_name TEXT,
+            pla_url TEXT,
+            pla_type VARCHAR(255),
+            PRIMARY KEY (pla_id)
+        );
+CREATE TABLE tag (
+            tag_id BIGINT NOT NULL,
+            tag_name TEXT,
+            tag_url TEXT,
+            PRIMARY KEY (tag_id)
+        );
+CREATE TABLE tagclass (
+            tagc_id BIGINT NOT NULL,
+            tagc_name TEXT,
+            tagc_url TEXT,
+            PRIMARY KEY (tagc_id)
+        );
+CREATE TABLE person (
+            p_id BIGINT NOT NULL,
+            p_first_name VARCHAR(255),
+            p_last_name VARCHAR(255),
+            p_gender VARCHAR(255),
+            p_birthday VARCHAR(255),
+            p_creation_date VARCHAR(255),
+            p_location_ip VARCHAR(255),
+            p_browser_used VARCHAR(255),
+            PRIMARY KEY (p_id)
+        );
+CREATE TABLE comment (
+            co_id BIGINT NOT NULL,
+            co_creation_date VARCHAR(255),
+            co_location_ip VARCHAR(255),
+            co_browser_used VARCHAR(255),
+            co_content TEXT,
+            co_length INT,
+            PRIMARY KEY (co_id)
+        );
+CREATE TABLE post (
+            po_id BIGINT NOT NULL,
+            po_image_file VARCHAR(255),
+            po_creation_date VARCHAR(255),
+            po_location_ip VARCHAR(255),
+            po_browser_used VARCHAR(255),
+            po_language VARCHAR(255),
+            po_content TEXT,
+            po_length INT,
+            PRIMARY KEY (po_id)
+        );
+CREATE TABLE forum (
+            fo_id BIGINT NOT NULL,
+            fo_title TEXT,
+            fo_creation_date VARCHAR(255),
+            PRIMARY KEY (fo_id)
+        );
+CREATE TABLE org_islocationin (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES organisation(org_id),
+            FOREIGN KEY (dst) REFERENCES place(pla_id)
+        );
+CREATE TABLE ispartof (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES place(pla_id),
+            FOREIGN KEY (dst) REFERENCES place(pla_id)
+        );
+CREATE TABLE issubclassof (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES tagclass(tagc_id),
+            FOREIGN KEY (dst) REFERENCES tagclass(tagc_id)
+        );
+CREATE TABLE hastype (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES tag(tag_id),
+            FOREIGN KEY (dst) REFERENCES tagclass(tagc_id)
+        );
+CREATE TABLE comment_hascreator (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES comment(co_id),
+            FOREIGN KEY (dst) REFERENCES person(p_id)
+        );
+CREATE TABLE comment_hastag (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES comment(co_id),
+            FOREIGN KEY (dst) REFERENCES tag(tag_id)
+        );
+CREATE TABLE comment_islocationin (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES comment(co_id),
+            FOREIGN KEY (dst) REFERENCES place(pla_id)
+        );
+CREATE TABLE replyof_comment (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES comment(co_id),
+            FOREIGN KEY (dst) REFERENCES comment(co_id)
+        );
+CREATE TABLE replyof_post (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES comment(co_id),
+            FOREIGN KEY (dst) REFERENCES post(po_id)
+        );
+CREATE TABLE post_hascreator (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES post(po_id),
+            FOREIGN KEY (dst) REFERENCES person(p_id)
+        );
+CREATE TABLE post_hastag (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES post(po_id),
+            FOREIGN KEY (dst) REFERENCES tag(tag_id)
+        );
+CREATE TABLE post_islocationin (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES post(po_id),
+            FOREIGN KEY (dst) REFERENCES place(pla_id)
+        );
+CREATE TABLE forum_containerof (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES forum(fo_id),
+            FOREIGN KEY (dst) REFERENCES post(po_id)
+        );
+CREATE TABLE forum_hasmoderator (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES forum(fo_id),
+            FOREIGN KEY (dst) REFERENCES person(p_id)
+        );
+CREATE TABLE forum_hastag (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES forum(fo_id),
+            FOREIGN KEY (dst) REFERENCES tag(tag_id)
+        );
+CREATE TABLE person_hasinterest (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES tag(tag_id)
+        );
+CREATE TABLE person_islocationin (
+            src BIGINT,
+            dst BIGINT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES place(pla_id)
+        );
+CREATE TABLE forum_hasmember (
+            src BIGINT,
+            dst BIGINT,
+            fo_hm_join_date VARCHAR(255),
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES forum(fo_id),
+            FOREIGN KEY (dst) REFERENCES person(p_id)
+        );
+CREATE TABLE knows (
+            src BIGINT,
+            dst BIGINT,
+            kn_creation_date VARCHAR(255),
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES person(p_id)
+        );
+CREATE TABLE likes_comment (
+            src BIGINT,
+            dst BIGINT,
+            likes_co_creation_date VARCHAR(255),
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES comment(co_id)
+        );
+CREATE TABLE likes_post (
+            src BIGINT,
+            dst BIGINT,
+            likes_po_creation_date VARCHAR(255),
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES post(po_id)
+        );
+CREATE TABLE studyat (
+            src BIGINT,
+            dst BIGINT,
+            sa_class_year INT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES organisation(org_id)
+        );
+CREATE TABLE workat (
+            src BIGINT,
+            dst BIGINT,
+            wa_work_from INT,
+            PRIMARY KEY (src, dst),
+            FOREIGN KEY (src) REFERENCES person(p_id),
+            FOREIGN KEY (dst) REFERENCES organisation(org_id)
+        );
\ No newline at end of file