chore: remove initial metric aggregation experiment (#13729)

docs/sources/shared/configuration.md

@@ -612,21 +612,6 @@ pattern_ingester:
   # CLI flag: -pattern-ingester.max-eviction-ratio
   [max_eviction_ratio: <float> | default = 0.25]
 
-  # Configures the metric aggregation and storage behavior of the pattern
-  # ingester.
-  metric_aggregation:
-    # Whether the pattern ingester metric aggregation is enabled.
-    # CLI flag: -pattern-ingester.metric-aggregation.enabled
-    [enabled: <boolean> | default = false]
-
-    # Whether to log push observations.
-    # CLI flag: -pattern-ingester.metric-aggregation.log-push-observations
-    [log_push_observations: <boolean> | default = false]
-
-    # How often to downsample metrics from raw push observations.
-    # CLI flag: -pattern-ingester.downsample-period
-    [downsample_period: <duration> | default = 10s]
-
 # The index_gateway block configures the Loki index gateway server, responsible
 # for serving index queries without the need to constantly interact with the
 # object store.

go.mod

@@ -161,7 +161,6 @@ require (
 	github.com/coreos/etcd v3.3.27+incompatible // indirect
 	github.com/coreos/pkg v0.0.0-20220810130054-c7d1c02cb6cf // indirect
 	github.com/dlclark/regexp2 v1.4.0 // indirect
-	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/goccy/go-json v0.10.3 // indirect
 	github.com/hashicorp/go-msgpack/v2 v2.1.1 // indirect
@@ -241,6 +240,7 @@ require (
 	github.com/envoyproxy/go-control-plane v0.12.0 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.0.4 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/analysis v0.22.2 // indirect

pkg/canary/comparator/comparator_test.go

@@ -386,7 +386,7 @@ func TestCacheTest(t *testing.T) {
 
 	queryResultsDiff = &mockCounter{}    // reset counter
 	mr.countOverTime = 2.3               // value not important
-	mr.noCacheCountOvertime = 2.30000005 // different than `countOverTime` value but within tolerance
+	mr.noCacheCountOvertime = 2.30000005 // different than `countOverTime` value but withing tolerance
 	c.cacheTest(now)
 	assert.Equal(t, 0, queryResultsDiff.(*mockCounter).count)
 

pkg/logproto/compat.go

@@ -82,10 +82,6 @@ func FromMetricsToLabelAdapters(metric model.Metric) []LabelAdapter {
 	return result
 }
 
-func FromMetricsToLabels(metric model.Metric) labels.Labels {
-	return FromLabelAdaptersToLabels(FromMetricsToLabelAdapters(metric))
-}
-
 type byLabel []LabelAdapter
 
 func (s byLabel) Len() int           { return len(s) }
@@ -595,32 +591,3 @@ func (m *DetectedLabelsRequest) LogToSpan(sp opentracing.Span) {
 	}
 	sp.LogFields(fields...)
 }
-
-func (m *QuerySamplesRequest) GetCachingOptions() (res definitions.CachingOptions) { return }
-
-func (m *QuerySamplesRequest) WithStartEnd(start, end time.Time) definitions.Request {
-	clone := *m
-	clone.Start = start
-	clone.End = end
-	return &clone
-}
-
-func (m *QuerySamplesRequest) WithStartEndForCache(start, end time.Time) resultscache.Request {
-	return m.WithStartEnd(start, end).(resultscache.Request)
-}
-
-func (m *QuerySamplesRequest) WithQuery(query string) definitions.Request {
-	clone := *m
-	clone.Query = query
-	return &clone
-}
-
-func (m *QuerySamplesRequest) LogToSpan(sp opentracing.Span) {
-	fields := []otlog.Field{
-		otlog.String("query", m.GetQuery()),
-		otlog.String("start", m.Start.String()),
-		otlog.String("end", m.End.String()),
-		otlog.String("step", time.Duration(m.Step).String()),
-	}
-	sp.LogFields(fields...)
-}

pkg/logproto/extensions.go

@@ -1,12 +1,10 @@
 package logproto
 
 import (
-	"encoding/json"
 	"sort"
 	"strings"
 	"sync/atomic" //lint:ignore faillint we can't use go.uber.org/atomic with a protobuf struct without wrapping it.
 
-	"github.com/buger/jsonparser"
 	"github.com/cespare/xxhash/v2"
 	"github.com/dustin/go-humanize"
 	jsoniter "github.com/json-iterator/go"
@@ -190,47 +188,3 @@ func (m *ShardsResponse) Merge(other *ShardsResponse) {
 	m.ChunkGroups = append(m.ChunkGroups, other.ChunkGroups...)
 	m.Statistics.Merge(other.Statistics)
 }
-
-func NewPatternSeries(pattern string, samples []*PatternSample) *PatternSeries {
-	return &PatternSeries{Pattern: pattern, Samples: samples}
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface.
-// QuerySamplesResponse json representation is different from the proto
-func (r *QuerySamplesResponse) UnmarshalJSON(data []byte) error {
-	return jsonparser.ObjectEach(
-		data,
-		func(key, value []byte, dataType jsonparser.ValueType, offset int) error {
-			if string(key) == "data" {
-				var m []model.SampleStream
-				if err := json.Unmarshal(value, &m); err != nil {
-					return err
-				}
-				series := make([]Series, len(m))
-
-				for i, s := range m {
-					lbls := FromMetricsToLabels(s.Metric)
-
-					newSeries := Series{
-						Labels:     s.Metric.String(),
-						StreamHash: lbls.Hash(),
-						Samples:    make([]Sample, len(s.Values)),
-					}
-
-					for j, samplePair := range s.Values {
-						newSeries.Samples[j] = Sample{
-							Timestamp: samplePair.Timestamp.UnixNano(),
-							Value:     float64(samplePair.Value),
-						}
-					}
-
-					series[i] = newSeries
-				}
-
-				r.Series = series
-			}
-
-			return nil
-		},
-	)
-}