Enable hibernate write batching

- Implement fragment ID sequence generator with allocation size of 100
- Enable write batching for insert and update, with batch size of 100
- Write performance is over 2x faster

Issue-ID: CPS-1795
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I7ebd0f834abb57c593603e2cd3fafc7e3425ab1e

5 files changed, 75 insertions, 3 deletions

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/entities/FragmentEntity.java b/cps-ri/src/main/java/org/onap/cps/spi/entities/FragmentEntity.java
index 12f42f2b7e..c763f61f8f 100755..100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/entities/FragmentEntity.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/entities/FragmentEntity.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (C) 2020-2023 Nordix Foundation.
+ * Copyright (C) 2020-2024 Nordix Foundation.
  * Modifications Copyright (C) 2021 Pantheon.tech
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -31,6 +31,7 @@ import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.OneToMany;
+import jakarta.persistence.SequenceGenerator;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
 import java.io.Serializable;
@@ -63,7 +64,8 @@ public class FragmentEntity implements Serializable {
     private static final long serialVersionUID = 7737669789097119667L;
 
     @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "fragment_id_seq_generator")
+    @SequenceGenerator(name = "fragment_id_seq_generator", sequenceName = "fragment_id_seq", allocationSize = 100)
     private Long id;
 
     @NotNull
diff --git a/cps-ri/src/main/resources/changelog/changelog-master.yaml b/cps-ri/src/main/resources/changelog/changelog-master.yaml
index f76c5ba3b9..e10ce633d3 100644
--- a/cps-ri/src/main/resources/changelog/changelog-master.yaml
+++ b/cps-ri/src/main/resources/changelog/changelog-master.yaml
@@ -1,6 +1,6 @@
 # ============LICENSE_START=======================================================
 # Copyright (c) 2021 Bell Canada.
-# Modifications Copyright (C) 2022-2023 Nordix Foundation.
+# Modifications Copyright (C) 2022-2024 Nordix Foundation.
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -58,3 +58,5 @@ databaseChangeLog:
       file: changelog/db/changes/20-change-foreign-key-id-types-to-integer.yaml
   - include:
       file: changelog/db/changes/21-escape-quotes-in-xpath.yaml
+  - include:
+      file: changelog/db/changes/22-fragment-id-sequence.yaml
diff --git a/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence-forward.sql b/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence-forward.sql
new file mode 100644
index 0000000000..7f8d686c72
--- /dev/null
+++ b/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence-forward.sql
@@ -0,0 +1,20 @@
+/*
+   ============LICENSE_START=======================================================
+    Copyright (C) 2024 Nordix Foundation.
+   ================================================================================
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+        http://www.apache.org/licenses/LICENSE-2.0
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   SPDX-License-Identifier: Apache-2.0
+   ============LICENSE_END=========================================================
+*/
+
+ALTER TABLE fragment ALTER COLUMN id DROP IDENTITY;
+CREATE SEQUENCE fragment_id_seq INCREMENT BY 100 START WITH 100;
+SELECT setval('fragment_id_seq', (SELECT ((max(id) / 100) + 1) * 100 FROM fragment), TRUE);
diff --git a/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence-rollback.sql b/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence-rollback.sql
new file mode 100644
index 0000000000..88bb8c774a
--- /dev/null
+++ b/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence-rollback.sql
@@ -0,0 +1,20 @@
+/*
+   ============LICENSE_START=======================================================
+    Copyright (C) 2024 Nordix Foundation.
+   ================================================================================
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+        http://www.apache.org/licenses/LICENSE-2.0
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   SPDX-License-Identifier: Apache-2.0
+   ============LICENSE_END=========================================================
+*/
+
+DROP SEQUENCE fragment_id_seq;
+ALTER TABLE fragment ALTER id ADD GENERATED BY DEFAULT AS IDENTITY;
+SELECT setval('fragment_id_seq', (SELECT max(id) FROM fragment), TRUE);
diff --git a/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence.yaml b/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence.yaml
new file mode 100644
index 0000000000..8bdabb5019
--- /dev/null
+++ b/cps-ri/src/main/resources/changelog/db/changes/22-fragment-id-sequence.yaml
@@ -0,0 +1,28 @@
+# ============LICENSE_START=======================================================
+# Copyright (C) 2024 Nordix Foundation.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+
+databaseChangeLog:
+  - changeSet:
+      author: cps
+      id: 21
+      changes:
+        - sqlFile:
+            path: changelog/db/changes/22-fragment-id-sequence-forward.sql
+      rollback:
+        - sqlFile:
+            path: changelog/db/changes/22-fragment-id-sequence-rollback.sql