!1458 add release note for 1.6.1

Merge pull request !1458 from tushengxia/releasenotes1.6.1

hetu-docs/en/index.md

@@ -217,6 +217,7 @@ headless: true
     - [Task Resource]({{< relref "./docs/rest/task.md" >}})
 
 - [Release Notes]("#")
+    - [1.6.1 (27 Apr 2022)]({{< relref "./docs/releasenotes/releasenotes-1.6.1.md" >}})
     - [1.6.0 (30 Mar 2022)]({{< relref "./docs/releasenotes/releasenotes-1.6.0.md" >}})
     - [1.5.0 (30 Dec 2021)]({{< relref "./docs/releasenotes/releasenotes-1.5.0.md" >}})
     - [1.4.1 (12 Nov 2021)]({{< relref "./docs/releasenotes/releasenotes-1.4.1.md" >}})

hetu-docs/en/releasenotes/releasenotes-1.6.1.md

@@ -0,0 +1,15 @@
+# Release 1.6.1 (27 Apr 2022)
+
+## Key Features
+
+This release is mainly about modification and enhancement of some SPIs, which are used in more scenarios.
+
+| Area                    | Feature                                                      | PR #s                                                        |
+| ----------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| Data Source statistics                | The method of obtaining statistics is added so that statistics can be directly obtained from the Connector. Some operators can be pushed down to the Connector for calculation. You may need to obtain statistics from the Connector to display the amount of processed data.                                               | 1450                                                          |
+| Operator processing extension | Users can customize the physical execution plan of worker nodes. Users can use their own operator pipelines to replace the native implementation to accelerate operator processing. | 1436                                                           |
+| HIVE UDF extension | Adds the adaptation of HIVE UDF function namespace to support the execution of UDFs (including GenericUDF) written based on the HIVE UDF framework. | 1456                                                           |
+
+## Obtaining the Document 
+
+For details, see [https://gitee.com/openlookeng/hetu-core/tree/1.6.1/hetu-docs/en](https://gitee.com/openlookeng/hetu-core/tree/1.6.1/hetu-docs/en)

hetu-docs/zh/index.md

@@ -216,6 +216,7 @@ headless: true
     - [任务资源]({{< relref "./docs/rest/task.md" >}})
 
 - [发行说明]("#")
+    - [1.6.1 (2022年4月27日)]({{< relref "./docs/releasenotes/releasenotes-1.6.1.md" >}})
     - [1.6.0 (2022年3月30日)]({{< relref "./docs/releasenotes/releasenotes-1.6.0.md" >}})
     - [1.5.0 (2021年12月30日)]({{< relref "./docs/releasenotes/releasenotes-1.5.0.md" >}})
     - [1.4.1 (2021年11月12日)]({{< relref "./docs/releasenotes/releasenotes-1.4.1.md" >}})

hetu-docs/zh/releasenotes/releasenotes-1.6.1.md

@@ -0,0 +1,15 @@
+# Release 1.6.1 (2022年04月27日)
+
+## 关键特性
+
+本次发布主要是一些SPI的修改和增强，为扩展更多的场景使用。
+
+| 类别                    | 特性                                                      | PR #s                                                        |
+| ----------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| 数据源统计信息               | 增加统计信息获取方式，支持从Connector直接获取统计信息。有些算子可以下推到Connector里面进行计算，可能需要直接从Connector获取统计信息才能展示真正被处理的数据量。                                               | 1450                                                          |
+| 算子处理扩展 | 增加通过用户自定义worker结点物理执行计划的生成，用户可以实现自己的算子pipeline代替原生实现，加速算子处理。 | 1436                                                           |
+| HIVE UDF扩展 | 增加 HIVE UDF 函数命名空间的适配，以支持执行基于HIVE UDF框架编写的UDF（含GenericUDF）。 | 1456                                                           |
+
+## 获取文档
+
+请参考：[https://gitee.com/openlookeng/hetu-core/tree/1.6.1/hetu-docs/zh](https://gitee.com/openlookeng/hetu-core/tree/1.6.1/hetu-docs/zh )