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+# `Kafka`
+
+## 1.Mode
+
+### 1.1.`Zookeeper`
+
+#### 1.1.1.`Node`
+
+- /admin
+    - delete_topics
+- /brokers
+    - ids
+        - 0
+        - …
+    - seqid
+    - topics
+        - `io.github.photowey.kafka.hello.topic`
+            - partition
+                - 0
+                - 1
+                - 2
+        - …
+- cluster
+    - id
+- config
+    - brokers
+    - **changes**
+    - clients
+    - ips
+    - topics
+        - `io.github.photowey.kafka.hello.topic`
+            - `{"version":1,"config":{}}`
+    - users
+- consumers
+- <font style="color:#FFCC66">controller</font>
+- `controller_eppch`
+- feature
+- **isr_change_notification**
+- latest_producer_id_block
+- **log_dir_event_notification**
+
+### 1.2.`KRaft`
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