perf: shrink data.json
/dashboard/data.json?benchmark=all reduced from 7.8MB to 2.0MB with gzip
compression, and from 2.0MB to 1.1MB by removing the indentation.
For golang/go#48803.
Change-Id: I9031d23b1b751e130521658fd45551771cec04da
Reviewed-on: https://go-review.googlesource.com/c/build/+/413576
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/perf/app/dashboard.go b/perf/app/dashboard.go
index 84b3157..0474cd0 100644
--- a/perf/app/dashboard.go
+++ b/perf/app/dashboard.go
@@ -5,6 +5,7 @@
package app
import (
+ "compress/gzip"
"context"
"embed"
"encoding/json"
@@ -14,6 +15,7 @@
"net/http"
"regexp"
"sort"
+ "strings"
"time"
"github.com/influxdata/influxdb-client-go/v2/api"
@@ -329,6 +331,15 @@
return s, nil
}
+type gzipResponseWriter struct {
+ http.ResponseWriter
+ w *gzip.Writer
+}
+
+func (w *gzipResponseWriter) Write(b []byte) (int, error) {
+ return w.w.Write(b)
+}
+
// search handles /dashboard/data.json.
//
// TODO(prattmic): Consider caching Influx results in-memory for a few mintures
@@ -372,8 +383,15 @@
}
w.Header().Set("Content-Type", "application/json")
+
+ if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
+ w.Header().Set("Content-Encoding", "gzip")
+ gz := gzip.NewWriter(w)
+ defer gz.Close()
+ w = &gzipResponseWriter{w: gz, ResponseWriter: w}
+ }
+
w.WriteHeader(http.StatusOK)
e := json.NewEncoder(w)
- e.SetIndent("", "\t")
e.Encode(benchmarks)
}
