diff options
Diffstat (limited to 'vendor/go.opencensus.io/plugin/ochttp/stats.go')
| -rw-r--r-- | vendor/go.opencensus.io/plugin/ochttp/stats.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/vendor/go.opencensus.io/plugin/ochttp/stats.go b/vendor/go.opencensus.io/plugin/ochttp/stats.go index 2bd11f6..19a8825 100644 --- a/vendor/go.opencensus.io/plugin/ochttp/stats.go +++ b/vendor/go.opencensus.io/plugin/ochttp/stats.go @@ -41,6 +41,10 @@ var ( // ClientRequestCount or ServerRequestCount, since it is recorded before the status is known. var ( // Host is the value of the HTTP Host header. + // + // The value of this tag can be controlled by the HTTP client, so you need + // to watch out for potentially generating high-cardinality labels in your + // metrics backend if you use this tag in views. Host, _ = tag.NewKey("http.host") // StatusCode is the numeric HTTP response status code, @@ -48,6 +52,10 @@ var ( StatusCode, _ = tag.NewKey("http.status") // Path is the URL path (not including query string) in the request. + // + // The value of this tag can be controlled by the HTTP client, so you need + // to watch out for potentially generating high-cardinality labels in your + // metrics backend if you use this tag in views. Path, _ = tag.NewKey("http.path") // Method is the HTTP method of the request, capitalized (GET, POST, etc.). @@ -61,7 +69,7 @@ var ( ) // Package ochttp provides some convenience views. -// You need to subscribe to the views for data to actually be collected. +// You need to register the views for data to actually be collected. var ( ClientRequestCountView = &view.View{ Name: "opencensus.io/http/client/request_count", |