Add postgres monitoring documentation

Author: madelinemacd

articles/azure-arc/data/upload-logs.md

@@ -248,7 +248,7 @@ Once your logs are uploaded, you should be able to query them using the log quer
 2. Select Logs in the left panel.
 3. Select Get Started (or select the links on the Getting Started page to learn more about Log Analytics if you are new to it).
 4. Follow the tutorial to learn more about Log Analytics if this is your first time using Log Analytics.
-5. Expand Custom Logs at the bottom of the list of tables and you will see a table called 'sql_instance_logs_CL'.
+5. Expand Custom Logs at the bottom of the list of tables and you will see a table called 'sql_instance_logs_CL' or 'postgresInstances_postgresql_logs_CL'.
 6. Select the 'eye' icon next to the table name.
 7. Select the 'View in query editor' button.
 8. You'll now have a query in the query editor that will show the most recent 10 events in the log.

articles/azure-arc/data/upload-metrics-and-logs-to-azure-monitor.md

@@ -16,9 +16,6 @@ ms.topic: how-to
 
 Periodically, you can export out usage information for billing purposes, monitoring metrics, and logs and then upload it to Azure. The export and upload of any of these three types of data will also create and update the data controller, and SQL managed instance resources in Azure.
 
-> [!NOTE]
-> At this time, you can't upload usage data, metrics, or logs for Azure Arc-enabled PostgreSQL server preview.
-
 Before you can upload usage data, metrics, or logs you need to:
 
 * Install tools 

articles/azure-arc/data/upload-metrics.md

@@ -209,11 +209,11 @@ To view your metrics, navigate to the [Azure portal](https://portal.azure.com).
 
 You can view CPU utilization on the Overview page or if you want more detailed metrics you can click on metrics from the left navigation panel
 
-Choose sql server as the metric namespace:
+Choose sql server or postgres as the metric namespace.
 
-Select the metric you want to visualize (you can also select multiple):
+Select the metric you want to visualize (you can also select multiple).
 
-Change the frequency to last 30 minutes:
+Change the frequency to last 30 minutes.
 
 > [!NOTE]
 > You can only upload metrics only for the last 30 minutes. Azure Monitor rejects metrics older than 30 minutes.