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docs: Update stackdriver examples for tracing and stats #613

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merged 2 commits into from Feb 5, 2021
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docs: Update stackdriver examples for tracing and stats #613

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docs: Update stackdriver examples for tracing and stats
mutianf Feb 4, 2021
0f4e3b3
update based on review
mutianf Feb 5, 2021
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34 changes: 32 additions & 2 deletions README.md
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Expand Up @@ -203,7 +203,7 @@ try {

TIP: If you are experiencing version conflicts with gRPC, see [Version Conflicts](#version-conflicts).

## OpenCensus Tracing
## Client request tracing: OpenCensus Tracing

Cloud Bigtable client supports [OpenCensus Tracing](https://opencensus.io/tracing/),
which gives insight into the client internals and aids in debugging production issues.
Expand Down Expand Up @@ -258,6 +258,8 @@ StackdriverTraceExporter.createAndRegister(
.setProjectId("YOUR_PROJECT_ID")
.build());
```
You can view the traces on the Google Cloud Platform Console
[Trace](https://console.cloud.google.com/traces) page.

By default traces are [sampled](https://opencensus.io/tracing/sampling) at a rate of about 1/10,000.
You can configure a higher rate by updating the active tracing params:
Expand All @@ -273,7 +275,7 @@ Tracing.getTraceConfig().updateActiveTraceParams(
);
```

## OpenCensus Stats
## Enabling Cloud Bigtable Metrics: OpenCensus Stats

Cloud Bigtable client supports [Opencensus Metrics](https://opencensus.io/stats/),
which gives insight into the client internals and aids in debugging production issues.
Expand Down Expand Up @@ -376,6 +378,34 @@ BigtableDataSettings.enableOpenCensusStats();
BigtableDataSettings.enableGfeOpenCensusStats();
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I"m not sure that this line works still. Or at least it didn't compile when I tried using it I think

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Ah.. Looks like this change is not released yet

```

You can view the metrics on the Google Cloud Platform Console
[Metrics explorer](https://console.cloud.google.com/monitoring/metrics-explorer)
page.

You can configure how frequently metrics are pushed to StackDriver and the
[Monitored resource type](https://cloud.google.com/monitoring/api/resources) by
updating `StackdriverStatsConfiguration`:

``` java
// Example: configuring export interval and monitored resource type
StackdriverStatsExporter.createAndRegister(
StackdriverStatsConfiguration.builder()
.setProjectId("YOUR_PROJECT_ID")
// Exporting metrics every 10 seconds
.setExportInterval(Duration.create(10, 0))
// Configure monitored resource type. A common practice is to use the
// monitored resource objects that represent the physical resources
// where your application code is running. See the full list of
// monitored resource type here:
// https://cloud.google.com/monitoring/api/resources
.setMonitoredResource(MonitoredResource.newBuilder()
.setType("global")
.putLabels("project_id", "YOUR_PROJECT_ID")
.build())
.build()
);
```

## Version Conflicts

google-cloud-bigtable depends on gRPC directly which may conflict with the versions brought
Expand Down