Merge pull request #99094 from MikeDodaro/diagnosticsUpdate

Fixing bug 1657148

Author: megvanhuygen

articles/spring-cloud/diagnostic-services.md

@@ -4,19 +4,32 @@ description: Learn how to analyze diagnostics data in Azure Spring Cloud
 author: jpconnock
 ms.service: spring-cloud
 ms.topic: conceptual
-ms.date: 10/06/2019
+ms.date: 01/06/2020
 ms.author: jeconnoc
 
 ---
 # Analyze logs and metrics with diagnostics settings
 
-By using the diagnostics functionality of Azure Spring Cloud, you can analyze logs and metrics with any of the following services:
+Using the diagnostics functionality of Azure Spring Cloud, you can analyze logs and metrics with any of the following services:
 
-* Use Azure Log Analytics, where the data is written immediately without having to be written to storage first.
-* Save them to a storage account  for auditing or manual inspection. You can specify the retention time (in days).
-* Stream them to your event hub for ingestion by a third-party service or custom analytics solution.
+* Use Azure Log Analytics, where the data is written to Azure Storage. There is a delay when exporting logs to Log Analytics.
+* Save logs to a storage account  for auditing or manual inspection. You can specify the retention time (in days).
+* Stream logs to your event hub for ingestion by a third-party service or custom analytics solution.
 
-To get started, enable one of these services to receive the data. To learn about configuring Log Analytics, review [Get started with Log Analytics in Azure Monitor](../azure-monitor/log-query/get-started-portal.md). 
+Choose the log category and metric category you want to monitor.
+
+## Logs
+
+|Log | Description |
+|----|----|
+| **ApplicationConsole** | Console log of all customer applications. | 
+| **SystemLogs** | Currently, only [Spring Cloud Config Server](https://cloud.spring.io/spring-cloud-config/reference/html/#_spring_cloud_config_server) logs in this category. |
+
+## Metrics
+
+For a complete list of metrics, see [Spring Cloud Metrics](https://docs.microsoft.com/azure/spring-cloud/spring-cloud-concept-metrics#user-portal-metrics-options)
+
+To get started, enable one of these services to receive the data. To learn about configuring Log Analytics, see [Get started with Log Analytics in Azure Monitor](../azure-monitor/log-query/get-started-portal.md). 
 
 ## Configure diagnostics settings
 
@@ -33,19 +46,46 @@ To get started, enable one of these services to receive the data. To learn about
 > [!NOTE]
 > There might be a gap of up to 15 minutes between when logs or metrics are emitted and when they appear in your storage account, your event hub, or Log Analytics.
 
-## View the logs
+## View the logs and metrics
+There are various methods to view logs and metrics as described under the following headings.
+
+### Use Logs blade
+
+1. In the Azure portal, go to your Azure Spring Cloud instance.
+1. To open the **Log Search** pane, select **Logs**.
+1. In the **Log** search box
+   * To view logs, enter a simple query such as:
+
+    ```sql
+    AppPlatformLogsforSpring
+    | limit 50
+    ```
+   * To view metrics, enter a simple query such as:
+
+    ```sql
+    AzureMetrics
+    | limit 50
+    ```
+1. To view the search result, select **Run**.
 
 ### Use Log Analytics
 
 1. In the Azure portal, in the left pane, select **Log Analytics**.
 1. Select the Log Analytics workspace that you chose when you added your diagnostics settings.
 1. To open the **Log Search** pane, select **Logs**.
-1. In the **Log** search box, enter a simple query such as:
+1. In the **Log** search box,
+   * to view logs, enter a simple query such as:
 
     ```sql
     AppPlatformLogsforSpring
     | limit 50
     ```
+    * to view metrics, enter a simple query such as:
+
+    ```sql
+    AzureMetrics
+    | limit 50
+    ```
 
 1. To view the search result, select **Run**.
 1. You can search the logs of the specific application or instance by setting a filter condition:
@@ -55,6 +95,8 @@ To get started, enable one of these services to receive the data. To learn about
     | where ServiceName == "YourServiceName" and AppName == "YourAppName" and InstanceName == "YourInstanceName"
     | limit 50
     ```
+> [!NOTE]  
+> `==` is case sensitive, but `=~` is not.
 
 To learn more about the query language that's used in Log Analytics, see [Azure Monitor log queries](../azure-monitor/log-query/query-language.md).
 
@@ -82,9 +124,9 @@ To learn more about sending diagnostics information to an event hub, see [Stream
 
 ## Analyze the logs
 
-Azure Log Analytics provides Kusto so that you can query your logs for analysis. For a quick introduction to querying logs by using Kusto, review the [Log Analytics tutorial](../azure-monitor/log-query/get-started-portal.md).
+Azure Log Analytics is running with a Kusto engine so you can query your logs for analysis. For a quick introduction to querying logs by using Kusto, review the [Log Analytics tutorial](../azure-monitor/log-query/get-started-portal.md).
 
-Application logs provide critical information about your application's health, performance, and more. In the next sections are some simple queries to help you understand your application's current and past states.
+Application logs provide critical information and verbose logs about your application's health, performance, and more. In the next sections are some simple queries to help you understand your application's current and past states.
 
 ### Show application logs from Azure Spring Cloud