deleting data part-2

Tutorials/chapter-9.md

@@ -73,4 +73,76 @@ $ ls -l1 var/druid/segments/deletion-tutorial/
 在"Segments"视图中，单击左侧的箭头以展开段条目：
 ![](img-9/tutorial-deletion-01.png)
 
-### 运行Kill任务
+信息框的顶部显示完整的段ID，例如 `deletion-tutorial_2015-09-12T14:00:00.000Z_2015-09-12T15:00:00.000Z_2019-02-28T01:11:51.606Z`，第14小时的段。
+
+让我们向Coordinator发送一个POST请求来禁用13点和14点的段
+```
+{
+  "segmentIds":
+  [
+    "deletion-tutorial_2015-09-12T13:00:00.000Z_2015-09-12T14:00:00.000Z_2019-05-01T17:38:46.961Z",
+    "deletion-tutorial_2015-09-12T14:00:00.000Z_2015-09-12T15:00:00.000Z_2019-05-01T17:38:46.961Z"
+  ]
+}
+```
+
+json文件位于 `curl -X 'POST' -H 'Content-Type:application/json' -d @quickstart/tutorial/deletion-disable-segments.json http://localhost:8081/druid/coordinator/v1/datasources/deletion-tutorial/markUnused` , 如下向Coordinator提交一个POST请求：
+
+```
+curl -X 'POST' -H 'Content-Type:application/json' -d @quickstart/tutorial/deletion-disable-segments.json http://localhost:8081/druid/coordinator/v1/datasources/deletion-tutorial/markUnused
+```
+
+命令执行完成后，可以看到13时和14时的段已经被禁用：
+![](img-9/tutorial-deletion-03.png)
+
+注意到这时13时和14时的段仍然在深度存储中：
+
+```
+$ ls -l1 var/druid/segments/deletion-tutorial/
+2015-09-12T00:00:00.000Z_2015-09-12T01:00:00.000Z
+2015-09-12T01:00:00.000Z_2015-09-12T02:00:00.000Z
+2015-09-12T02:00:00.000Z_2015-09-12T03:00:00.000Z
+2015-09-12T03:00:00.000Z_2015-09-12T04:00:00.000Z
+2015-09-12T04:00:00.000Z_2015-09-12T05:00:00.000Z
+2015-09-12T05:00:00.000Z_2015-09-12T06:00:00.000Z
+2015-09-12T06:00:00.000Z_2015-09-12T07:00:00.000Z
+2015-09-12T07:00:00.000Z_2015-09-12T08:00:00.000Z
+2015-09-12T08:00:00.000Z_2015-09-12T09:00:00.000Z
+2015-09-12T09:00:00.000Z_2015-09-12T10:00:00.000Z
+2015-09-12T10:00:00.000Z_2015-09-12T11:00:00.000Z
+2015-09-12T11:00:00.000Z_2015-09-12T12:00:00.000Z
+2015-09-12T12:00:00.000Z_2015-09-12T13:00:00.000Z
+2015-09-12T13:00:00.000Z_2015-09-12T14:00:00.000Z
+2015-09-12T14:00:00.000Z_2015-09-12T15:00:00.000Z
+2015-09-12T15:00:00.000Z_2015-09-12T16:00:00.000Z
+2015-09-12T16:00:00.000Z_2015-09-12T17:00:00.000Z
+2015-09-12T17:00:00.000Z_2015-09-12T18:00:00.000Z
+2015-09-12T18:00:00.000Z_2015-09-12T19:00:00.000Z
+2015-09-12T19:00:00.000Z_2015-09-12T20:00:00.000Z
+2015-09-12T20:00:00.000Z_2015-09-12T21:00:00.000Z
+2015-09-12T21:00:00.000Z_2015-09-12T22:00:00.000Z
+2015-09-12T22:00:00.000Z_2015-09-12T23:00:00.000Z
+2015-09-12T23:00:00.000Z_2015-09-13T00:00:00.000Z
+```
+
+### 运行Kill任务
+
+现在我们已经禁用了一些段，我们可以提交一个Kill任务，它将从元数据和深层存储中删除禁用的段。
+
+在 `quickstart/tutorial/deletion-kill.json` 提供了一个Kill任务的说明，通过以下的命令将任务提交到Overlord：
+```
+curl -X 'POST' -H 'Content-Type:application/json' -d @quickstart/tutorial/deletion-kill.json http://localhost:8081/druid/indexer/v1/task
+```
+任务执行完成后，可以看到已经禁用的段已经被从深度存储中移除了：
+
+```
+$ ls -l1 var/druid/segments/deletion-tutorial/
+2015-09-12T12:00:00.000Z_2015-09-12T13:00:00.000Z
+2015-09-12T15:00:00.000Z_2015-09-12T16:00:00.000Z
+2015-09-12T16:00:00.000Z_2015-09-12T17:00:00.000Z
+2015-09-12T17:00:00.000Z_2015-09-12T18:00:00.000Z
+2015-09-12T20:00:00.000Z_2015-09-12T21:00:00.000Z
+2015-09-12T21:00:00.000Z_2015-09-12T22:00:00.000Z
+2015-09-12T22:00:00.000Z_2015-09-12T23:00:00.000Z
+2015-09-12T23:00:00.000Z_2015-09-13T00:00:00.000Z
+```