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Add time to first byte metric for s3 (#4768)

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* Add time to first byte metric for s3

* Change second to millisecond
This commit is contained in:
SmsS4 2023-08-21 11:12:39 +03:30 committed by GitHub
parent 3650e5adda
commit f61490966f
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 17 additions and 1 deletions
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3
weed/s3api/s3api_object_handlers.go
View file

@ -355,6 +355,7 @@ func (s3a *S3ApiServer) doDeleteEmptyDirectories(client filer_pb.SeaweedFilerCli
func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, destUrl string, isWrite bool, responseFn func(proxyResponse *http.Response, w http.ResponseWriter) (statusCode int)) {
glog.V(3).Infof("s3 proxying %s to %s", r.Method, destUrl)
start := time.Now()
proxyReq, err := http.NewRequest(r.Method, destUrl, r.Body)
@ -404,12 +405,12 @@ func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, des
return
}
}
if resp.StatusCode == http.StatusNotFound {
s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchKey)
return
}
TimeToFirstByte(r.Method, start, r)
if resp.Header.Get(s3_constants.X_SeaweedFS_Header_Directory_Key) == "true" {
responseStatusCode := responseFn(resp, w)
s3err.PostLog(r, responseStatusCode, s3err.ErrNone)

5
weed/s3api/stats.go
View file

@ -43,3 +43,8 @@ func track(f http.HandlerFunc, action string) http.HandlerFunc {
stats_collect.S3RequestCounter.WithLabelValues(action, strconv.Itoa(recorder.Status), bucket).Inc()
}
}
func TimeToFirstByte(action string, start time.Time, r *http.Request) {
bucket, _ := s3_constants.GetBucketAndObject(r)
stats_collect.S3TimeToFirstByteHistogram.WithLabelValues(action, bucket).Observe(float64(time.Since(start).Milliseconds()))
}

10
weed/stats/metrics.go
View file

@ -226,6 +226,15 @@ var (
Help: "Bucketed histogram of s3 request processing time.",
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 24),
}, []string{"type", "bucket"})
S3TimeToFirstByteHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: Namespace,
Subsystem: "s3",
Name: "time_to_first_byte_millisecond",
Help: "Bucketed histogram of s3 time to first byte request processing time.",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 27),
}, []string{"type", "bucket"})
)
func init() {
@ -258,6 +267,7 @@ func init() {
Gather.MustRegister(S3RequestCounter)
Gather.MustRegister(S3RequestHistogram)
Gather.MustRegister(S3TimeToFirstByteHistogram)
}
func LoopPushingMetric(name, instance, addr string, intervalSeconds int) {