[GitHub] [hadoop] hadoop-yetus commented on a change in pull request #879: HADOOP-15563 S3Guard to create on-demand DDB tables

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hadoop-yetus commented on a change in pull request #879: HADOOP-15563 S3Guard to create on-demand DDB tables
URL: https://github.com/apache/hadoop/pull/879#discussion_r291189498
 
 

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 File path: hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/s3guard.md
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 @@ -315,63 +322,90 @@ Next, you can choose whether or not the table will be automatically created
 </property>
 ```
 
-### 7. If creating a table: Set your DynamoDB I/O Capacity
+### 7. If creating a table: Choose your billing mode (and perhaps I/O Capacity)
+
+Next, you need to decide whether to use On-Demand DynamoDB and its
+pay-per-request billing (recommended), or to explicitly request a
+provisioned IO capacity.
 
-Next, you need to set the DynamoDB read and write throughput requirements you
-expect to need for your cluster.  Setting higher values will cost you more
-money.  *Note* that these settings only affect table creation when
+Before AWS offered pay-per-request billing, the sole billing mechanism,
+was "provisioned capacity". This mechanism requires you to choose 
 
 Review comment:
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