HADOOP-13634. Some configuration in doc has been outdated. Contributed by Genmao Yu

hadoop-tools/hadoop-aliyun/src/site/markdown/tools/hadoop-aliyun/index.md

@@ -167,7 +167,7 @@ please raise your issues with them.
 
     <property>
       <name>fs.oss.paging.maximum</name>
-      <value>500</value>
+      <value>1000</value>
       <description>How many keys to request from Aliyun OSS when doing directory listings at a time.
       </description>
     </property>
@@ -195,11 +195,6 @@ please raise your issues with them.
       <description>Comma separated list of directories to buffer OSS data before uploading to Aliyun OSS</description>
     </property>
 
-    <property>
-      <name>fs.oss.buffer.dir</name>
-      <description>Comma separated list of directories to buffer OSS data before uploading to Aliyun OSS</description>
-    </property>
-
     <property>
       <name>fs.oss.acl.default</name>
       <value></vaule>