add class-9 related files

ApsaraDB · May 31, 2022 · 24fb256 · 24fb256
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diff --git a/README.md b/README.md
@@ -8,6 +8,7 @@
 * [跟我学：如何在 PolarDB-X 中优化慢 SQL](https://developer.aliyun.com/live/248707)
 * [跟我学：用 PolarDB-X + Flink 搭建实时数据大屏](https://developer.aliyun.com/live/248797)
 * [跟我学：用 PolarDB-X 搭建一个高可用系统](https://developer.aliyun.com/live/248893)
+* [跟我学：PolarDB-X Replica 原理和使用](https://developer.aliyun.com/live/249064)
 
 该直播课程通过钉钉群直播、B站直播和阿里云开发者社区直播等多种方式进行。
 

diff --git a/class-9/polardb-x.yaml b/class-9/polardb-x.yaml
@@ -0,0 +1,28 @@
+version: v1
+type: polardbx
+cluster:
+  name: pxc_test
+  gms:
+    image: polardbx/galaxyengine:latest
+    host_group: [127.0.0.1]
+  cn:
+    image: polardbx/galaxysql:latest
+    replica: 1
+    nodes:
+      - host: 127.0.0.1
+    resources:
+      mem_limit: 16G
+  dn:
+    image: polardbx/galaxyengine:latest
+    replica: 1
+    nodes:
+      - host_group: [127.0.0.1]
+    resources:
+      mem_limit: 16G
+  cdc:
+    image: polardbx/galaxycdc:latest
+    replica: 1
+    nodes:
+      - host: 127.0.0.1
+    resources:
+      mem_limit: 16G
diff --git a/class-9/tpcc.tar.gz b/class-9/tpcc.tar.gz
diff --git a/class-9/transfer.tar.gz b/class-9/transfer.tar.gz