chore: update readme on client side metrics (#1557)

* chore: update readme on client side metrics

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* update

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix link

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* update

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: mutianf

.readme-partials.yml

@@ -116,18 +116,14 @@ custom_content: |
   TIP: If you are experiencing version conflicts with gRPC, see [Version Conflicts](#version-conflicts).
 
   ## Enabling client side metrics
-  
+
   Cloud Bigtable client supports publishing client side metrics to
   [Cloud Monitoring](https://cloud.google.com/monitoring/docs/monitoring-overview) under the
   `bigtable.googleapis.com/client` namespace.
-  
-  Please fill out this [Google Form](https://forms.gle/xuhu6vCunn2MjV2m9) to sign up for the private preview of this
-  feature. And enable it by setting:
-  
-  ```java
-  BigtableDataSettings.enableBuiltinMetrics();
-  ```
-    
+
+  This feature is available once you upgrade to version 2.16.0 and above.
+  Follow the guide on https://cloud.google.com/bigtable/docs/client-side-metrics-setup to enable.
+
   ## Client request tracing: OpenCensus Tracing
 
   Cloud Bigtable client supports [OpenCensus Tracing](https://opencensus.io/tracing/),
@@ -203,6 +199,12 @@ custom_content: |
 
   ## Enabling Cloud Bigtable Metrics: OpenCensus Stats
 
+  ---
+  Note: We recommend [enabling client side built-in metrics](#enabling-client-side-metrics)
+  if you want to view your metrics on cloud monitoring. This integration is only for exporting the
+  metrics to a third party dashboard.
+  ---
+
   Cloud Bigtable client supports [Opencensus Metrics](https://opencensus.io/stats/),
   which gives insight into the client internals and aids in debugging production issues.
   All Cloud Bigtable Metrics are prefixed with `cloud.google.com/java/bigtable/`. The
@@ -237,7 +239,7 @@ custom_content: |
     each operation required, tagged by operation name and final operation status.
     Under normal circumstances, this will be 1.
 
-  ### GFE metric views:
+  #### GFE metric views:
   * `cloud.google.com/java/bigtable/gfe_latency`: A distribution of the latency
   between Google's network receives an RPC and reads back the first byte of
   the response.

README.md

@@ -219,13 +219,9 @@ Cloud Bigtable client supports publishing client side metrics to
 [Cloud Monitoring](https://cloud.google.com/monitoring/docs/monitoring-overview) under the
 `bigtable.googleapis.com/client` namespace.
 
-Please fill out this [Google Form](https://forms.gle/xuhu6vCunn2MjV2m9) to sign up for the private preview of this
-feature. And enable it by setting:
+This feature is available once you upgrade to version 2.16.0 and above.
+Follow the guide on https://cloud.google.com/bigtable/docs/client-side-metrics-setup to enable.
 
-```java
-BigtableDataSettings.enableBuiltinMetrics();
-```
-  
 ## Client request tracing: OpenCensus Tracing
 
 Cloud Bigtable client supports [OpenCensus Tracing](https://opencensus.io/tracing/),
@@ -301,6 +297,12 @@ Tracing.getTraceConfig().updateActiveTraceParams(
 
 ## Enabling Cloud Bigtable Metrics: OpenCensus Stats
 
+---
+Note: We recommend [enabling client side built-in metrics](#enabling-client-side-metrics)
+if you want to view your metrics on cloud monitoring. This integration is only for exporting the
+metrics to a third party dashboard.
+---
+
 Cloud Bigtable client supports [Opencensus Metrics](https://opencensus.io/stats/),
 which gives insight into the client internals and aids in debugging production issues.
 All Cloud Bigtable Metrics are prefixed with `cloud.google.com/java/bigtable/`. The
@@ -335,7 +337,7 @@ metrics will be tagged with:
   each operation required, tagged by operation name and final operation status.
   Under normal circumstances, this will be 1.
 
-### GFE metric views:
+#### GFE metric views:
 * `cloud.google.com/java/bigtable/gfe_latency`: A distribution of the latency
 between Google's network receives an RPC and reads back the first byte of
 the response.