spark git commit: [DOC] update the API doc and modify the stage API description

[we...@apache.org]

Repository: spark
Updated Branches:
  refs/heads/master c755b0d91 -> fe93c0bf6


[DOC] update the API doc and modify the stage API description

## What changes were proposed in this pull request?

**1.stage api modify the description format**
<td>A list of all stages for a given application.</td>
<br><code>?status=[active|complete|pending|failed]</code> list only stages in the state.
content should be included in <td> </ td>

fix before:
![1](https://user-images.githubusercontent.com/26266482/31753100-201f3432-b4c1-11e7-9e8d-54b62b96c17f.png)

fix after:
![2](https://user-images.githubusercontent.com/26266482/31753102-23b174de-b4c1-11e7-96ad-fd79d10440b9.png)

**2.add version api doc '/api/v1/version' in monitoring.md**

fix after:
![3](https://user-images.githubusercontent.com/26266482/31753087-0fd3a036-b4c1-11e7-802f-a6dc86a2a4b0.png)

## How was this patch tested?
manual tests

Please review http://spark.apache.org/contributing.html before opening a pull request.

Author: guoxiaolong <gu...@zte.com.cn>

Closes #19532 from guoxiaolongzte/SPARK-22311.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/fe93c0bf
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/fe93c0bf
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/fe93c0bf

Branch: refs/heads/master
Commit: fe93c0bf6115a62486ebf9f494da5dc368c24418
Parents: c755b0d
Author: guoxiaolong <gu...@zte.com.cn>
Authored: Thu Nov 9 11:46:01 2017 +0100
Committer: Wenchen Fan <we...@databricks.com>
Committed: Thu Nov 9 11:46:01 2017 +0100

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 docs/monitoring.md | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/fe93c0bf/docs/monitoring.md
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diff --git a/docs/monitoring.md b/docs/monitoring.md
index 1ae4318..f8d3ce9 100644
--- a/docs/monitoring.md
+++ b/docs/monitoring.md
@@ -311,8 +311,10 @@ can be identified by their `[attempt-id]`. In the API listed below, when running
   </tr>
   <tr>
     <td><code>/applications/[app-id]/stages</code></td>
-    <td>A list of all stages for a given application.</td>
-    <br><code>?status=[active|complete|pending|failed]</code> list only stages in the state.
+    <td>
+      A list of all stages for a given application.
+      <br><code>?status=[active|complete|pending|failed]</code> list only stages in the state.
+    </td>
   </tr>
   <tr>
     <td><code>/applications/[app-id]/stages/[stage-id]</code></td>
@@ -398,7 +400,11 @@ can be identified by their `[attempt-id]`. In the API listed below, when running
   <tr>
     <td><code>/applications/[app-id]/environment</code></td>
     <td>Environment details of the given application.</td>
-  </tr>       
+  </tr>
+  <tr>
+    <td><code>/version</code></td>
+    <td>Get the current spark version.</td>
+  </tr>
 </table>
 
 The number of jobs and stages which can retrieved is constrained by the same retention


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