[spark] branch branch-3.0 updated: [SPARK-35405][DOC] Submitting Applications documentation has outdated information about K8s client mode support

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The following commit(s) were added to refs/heads/branch-3.0 by this push:
     new d160cd2  [SPARK-35405][DOC] Submitting Applications documentation has outdated information about K8s client mode support
d160cd2 is described below

commit d160cd2d55907d67ecf2904a5852d632e19412da
Author: Oleksandr Shevchenko <ol...@datarobot.com>
AuthorDate: Fri May 14 11:26:35 2021 -0700

    [SPARK-35405][DOC] Submitting Applications documentation has outdated information about K8s client mode support
    
    ### What changes were proposed in this pull request?
    [Submitting Applications doc](https://spark.apache.org/docs/latest/submitting-applications.html#master-urls) has outdated information about K8s client mode support.
    It still says "Client mode is currently unsupported and will be supported in future releases".
    ![image](https://user-images.githubusercontent.com/31073930/118268920-b5b51580-b4c6-11eb-8eed-975be8d37964.png)
    
    Whereas it's already supported and [Running Spark on Kubernetes doc](https://spark.apache.org/docs/latest/running-on-kubernetes.html#client-mode) says that it's supported started from 2.4.0 and has all needed information.
    ![image](https://user-images.githubusercontent.com/31073930/118268947-bd74ba00-b4c6-11eb-98d5-37961327642f.png)
    
    Changes:
    ![image](https://user-images.githubusercontent.com/31073930/118269179-12b0cb80-b4c7-11eb-8a37-d9d301bbda53.png)
    
    JIRA: https://issues.apache.org/jira/browse/SPARK-35405
    
    ### Why are the changes needed?
    Outdated information in the doc is misleading
    
    ### Does this PR introduce _any_ user-facing change?
    Documentation changes
    
    ### How was this patch tested?
    Documentation changes
    
    Closes #32551 from o-shevchenko/SPARK-35405.
    
    Authored-by: Oleksandr Shevchenko <ol...@datarobot.com>
    Signed-off-by: Dongjoon Hyun <dh...@apple.com>
    (cherry picked from commit d2fbf0dce43cbc5bde99d572817011841d6a3d41)
    Signed-off-by: Dongjoon Hyun <dh...@apple.com>
---
 docs/submitting-applications.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/submitting-applications.md b/docs/submitting-applications.md
index b27cf36..70f3a15 100644
--- a/docs/submitting-applications.md
+++ b/docs/submitting-applications.md
@@ -181,7 +181,7 @@ The master URL passed to Spark can be in one of the following formats:
         The cluster location will be found based on the <code>HADOOP_CONF_DIR</code> or <code>YARN_CONF_DIR</code> variable.
 </td></tr>
 <tr><td> <code>k8s://HOST:PORT</code> </td><td> Connect to a <a href="running-on-kubernetes.html">Kubernetes</a> cluster in
-        <code>cluster</code> mode. Client mode is currently unsupported and will be supported in future releases.
+        <code>client</code> or <code>cluster</code> mode depending on the value of <code>--deploy-mode</code>.
         The <code>HOST</code> and <code>PORT</code> refer to the <a href="https://kubernetes.io/docs/reference/generated/kube-apiserver/">Kubernetes API Server</a>.
         It connects using TLS by default. In order to force it to use an unsecured connection, you can use
         <code>k8s://http://HOST:PORT</code>.

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