Merge pull request #228772 from srijan55/master

Add details about multiple-splitting feature in the documents.

Author: v-shils

articles/azure-monitor/essentials/media/metrics-charts/031.png

@@ -45,7 +45,17 @@ Your storage account resource is experiencing an excess volume of failed transac
 
 In the metric picker, select your storage account and the **Transactions** metric. Switch chart type to **Bar chart**. Click **Apply splitting** and select dimension **API name**. Then click on the **Add filter** and pick the **API name** dimension once again. In the filter dialog, select the APIs that you want to plot on the chart.
 
+## Total requests of Cosmos DB by Database Names and Collection Names
+
+You want to identify which collection in which database of your Cosmos DB instance is having maximum requests to adjust your costs for Cosmos DB.
+
+![Segmented line chart of Total Requests](./media/metrics-charts/multiple-split-example.png)
+
+### How to configure this chart?
+
+In the metric picker, select your Cosmos DB resource and the **Total Requests** metric. Click **Apply splitting** and select dimensions **DatabaseName** and **CollectionName**.
+
 ## Next steps
 
 * Learn about Azure Monitor [Workbooks](../visualize/workbooks-overview.md)
-* Learn more about [Metric Explorer](metrics-charts.md)
+* Learn more about [Metric Explorer](metrics-charts.md)

articles/azure-monitor/essentials/media/metrics-charts/multiple-split-example.png

@@ -172,11 +172,8 @@ You can split a metric by dimension to visualize how different segments of the m
 ### Apply splitting
 
 1. Above the chart, select **Apply splitting**.
-
-   > [!NOTE]
-   > Charts that have multiple metrics can't use the splitting functionality. Also, although a chart can have multiple filters, it can have only one splitting dimension.
-
-1. Choose a dimension on which to segment your chart:
+   
+1. Choose dimension(s) on which to segment your chart:
 
    ![Screenshot that shows the selected dimension on which to segment the chart.](./media/metrics-charts/031.png)
 
@@ -192,7 +189,11 @@ You can split a metric by dimension to visualize how different segments of the m
 
    ![Screenshot that shows sort order on split values.](./media/metrics-charts/segment-dimension-sort.png)
 
-1. Click away from the grouping selector to close it.
+1. If you like to segment by multiple segments select multiple dimensions from the values dropdown. The legends will show a comma-separated list of dimension values for each segment
+
+   ![Screenshot that shows multiple segments selected, and the corresponding chart below.](./media/metrics-charts/segment-dimension-multiple.png)
+   
+3. Click away from the grouping selector to close it.
 
    > [!NOTE]
    > To hide segments that are irrelevant for your scenario and to make your charts easier to read, use both filtering and splitting on the same dimension.