From 8e36a0a3993e0185d9e177a65eee2a1513ed023f Mon Sep 17 00:00:00 2001
From: Serge Bishyr <SeriyBg@gmail.com>
Date: Wed, 3 Apr 2024 11:23:52 +0300
Subject: [PATCH] Add Delta WanSync docs [CN-476] (#183)

* Add Delta WanSync docs [CN-476]

* Update docs/modules/ROOT/pages/wan-sync.adoc

Co-authored-by: rebekah-lawrence <142301480+rebekah-lawrence@users.noreply.github.com>

---------

Co-authored-by: rebekah-lawrence <142301480+rebekah-lawrence@users.noreply.github.com>
---
 .../modules/ROOT/examples/wan-sync-delta.yaml | 27 +++++++++++++++++++
 docs/modules/ROOT/pages/wan-sync.adoc         | 15 +++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 docs/modules/ROOT/examples/wan-sync-delta.yaml

diff --git a/docs/modules/ROOT/examples/wan-sync-delta.yaml b/docs/modules/ROOT/examples/wan-sync-delta.yaml
new file mode 100644
index 00000000..0ea60bab
--- /dev/null
+++ b/docs/modules/ROOT/examples/wan-sync-delta.yaml
@@ -0,0 +1,27 @@
+apiVersion: hazelcast.com/v1alpha1
+kind: Map
+metadata:
+  name: map-sample
+spec:
+  hazelcastResourceName: hazelcast
+  merkleTree:
+    depth: 10
+---
+apiVersion: hazelcast.com/v1alpha1
+kind: WanReplication
+metadata:
+  name: wan-replication-sample
+spec:
+  resources:
+  - name: map-sample
+    kind: Map
+  targetClusterName: dev
+  endpoints: "35.192.33.252"
+  synConsistencyCheckStrategy: "MERKLE_TREES"
+---
+apiVersion: hazelcast.com/v1alpha1
+kind: WanSync
+metadata:
+  name: wansync-sample
+spec:
+  wanReplicationResourceName: wan-replication-sample
diff --git a/docs/modules/ROOT/pages/wan-sync.adoc b/docs/modules/ROOT/pages/wan-sync.adoc
index c7ec59c8..e14d5671 100644
--- a/docs/modules/ROOT/pages/wan-sync.adoc
+++ b/docs/modules/ROOT/pages/wan-sync.adoc
@@ -26,6 +26,21 @@ To create `WanSync` resource you must use the existing `WanReplication` CR. This
 include::ROOT:example$/wan-sync-full.yaml[]
 ----
 
+== Configuring Delta WanSync
+
+To configure xref:hazelcast:wan:advanced-features#delta-wan-synchronization.adoc[Delta WAN Sync] for the Hazelcast cluster, do the following:
+
+* Configure Merkle Tree for the `Map` resource.
+* Set `synConsistencyCheckStrategy` to `MERKLE_TREES` in the `WanReplication` resource. 
+* Create the `WanSync` resource. The created `WanSync` automatically uses Delta WAN Synchronization.
+
+.Example of Delta WanSync
+[source,yaml,subs="attributes+"]
+----
+include::ROOT:example$/wan-sync-delta.yaml[]
+----
+
+
 == Checking the Status of a WAN Sync
 
 After creating the `WanSync` resource, run the following command to see the WAN syncronization status: