Remove deprecated ingester metrics (#5472)

Signed-off-by: Xiaochao Dong (@damnever) <[email protected]>

Author: damnever

pkg/ingester/metrics.go

@@ -18,7 +18,6 @@ const (
 )
 
 type ingesterMetrics struct {
-	flushQueueLength        prometheus.Gauge
 	ingestedSamples         prometheus.Counter
 	ingestedExemplars       prometheus.Counter
 	ingestedMetadata        prometheus.Counter
@@ -37,25 +36,6 @@ type ingesterMetrics struct {
 	memMetadataCreatedTotal *prometheus.CounterVec
 	memSeriesRemovedTotal   *prometheus.CounterVec
 	memMetadataRemovedTotal *prometheus.CounterVec
-	createdChunks           prometheus.Counter
-	walReplayDuration       prometheus.Gauge
-	walCorruptionsTotal     prometheus.Counter
-
-	// Chunks transfer.
-	sentChunks     prometheus.Counter
-	receivedChunks prometheus.Counter
-
-	// Chunks flushing.
-	flushSeriesInProgress         prometheus.Gauge
-	chunkUtilization              prometheus.Histogram
-	chunkLength                   prometheus.Histogram
-	chunkSize                     prometheus.Histogram
-	chunkAge                      prometheus.Histogram
-	memoryChunks                  prometheus.Gauge
-	seriesEnqueuedForFlush        *prometheus.CounterVec
-	seriesDequeuedOutcome         *prometheus.CounterVec
-	droppedChunks                 prometheus.Counter
-	oldestUnflushedChunkTimestamp prometheus.Gauge
 
 	activeSeriesPerUser *prometheus.GaugeVec
 
@@ -76,10 +56,6 @@ func newIngesterMetrics(r prometheus.Registerer, createMetricsConflictingWithTSD
 	)
 
 	m := &ingesterMetrics{
-		flushQueueLength: promauto.With(r).NewGauge(prometheus.GaugeOpts{
-			Name: "cortex_ingester_flush_queue_length",
-			Help: "The total number of series pending in the flush queue.",
-		}),
 		ingestedSamples: promauto.With(r).NewCounter(prometheus.CounterOpts{
 			Name: "cortex_ingester_ingested_samples_total",
 			Help: "The total number of samples ingested.",
@@ -144,18 +120,6 @@ func newIngesterMetrics(r prometheus.Registerer, createMetricsConflictingWithTSD
 			Name: "cortex_ingester_memory_users",
 			Help: "The current number of users in memory.",
 		}),
-		createdChunks: promauto.With(r).NewCounter(prometheus.CounterOpts{
-			Name: "cortex_ingester_chunks_created_total",
-			Help: "The total number of chunks the ingester has created.",
-		}),
-		walReplayDuration: promauto.With(r).NewGauge(prometheus.GaugeOpts{
-			Name: "cortex_ingester_wal_replay_duration_seconds",
-			Help: "Time taken to replay the checkpoint and the WAL.",
-		}),
-		walCorruptionsTotal: promauto.With(r).NewCounter(prometheus.CounterOpts{
-			Name: "cortex_ingester_wal_corruptions_total",
-			Help: "Total number of WAL corruptions encountered.",
-		}),
 		memMetadataCreatedTotal: promauto.With(r).NewCounterVec(prometheus.CounterOpts{
 			Name: "cortex_ingester_memory_metadata_created_total",
 			Help: "The total number of metadata that were created per user",
@@ -165,64 +129,6 @@ func newIngesterMetrics(r prometheus.Registerer, createMetricsConflictingWithTSD
 			Help: "The total number of metadata that were removed per user.",
 		}, []string{"user"}),
 
-		// Chunks / blocks transfer.
-		sentChunks: promauto.With(r).NewCounter(prometheus.CounterOpts{
-			Name: "cortex_ingester_sent_chunks",
-			Help: "The total number of chunks sent by this ingester whilst leaving.",
-		}),
-		receivedChunks: promauto.With(r).NewCounter(prometheus.CounterOpts{
-			Name: "cortex_ingester_received_chunks",
-			Help: "The total number of chunks received by this ingester whilst joining",
-		}),
-
-		// Chunks flushing.
-		flushSeriesInProgress: promauto.With(r).NewGauge(prometheus.GaugeOpts{
-			Name: "cortex_ingester_flush_series_in_progress",
-			Help: "Number of flush series operations in progress.",
-		}),
-		chunkUtilization: promauto.With(r).NewHistogram(prometheus.HistogramOpts{
-			Name:    "cortex_ingester_chunk_utilization",
-			Help:    "Distribution of stored chunk utilization (when stored).",
-			Buckets: prometheus.LinearBuckets(0, 0.2, 6),
-		}),
-		chunkLength: promauto.With(r).NewHistogram(prometheus.HistogramOpts{
-			Name:    "cortex_ingester_chunk_length",
-			Help:    "Distribution of stored chunk lengths (when stored).",
-			Buckets: prometheus.ExponentialBuckets(5, 2, 11), // biggest bucket is 5*2^(11-1) = 5120
-		}),
-		chunkSize: promauto.With(r).NewHistogram(prometheus.HistogramOpts{
-			Name:    "cortex_ingester_chunk_size_bytes",
-			Help:    "Distribution of stored chunk sizes (when stored).",
-			Buckets: prometheus.ExponentialBuckets(500, 2, 7), // biggest bucket is 500*2^(7-1) = 32000
-		}),
-		chunkAge: promauto.With(r).NewHistogram(prometheus.HistogramOpts{
-			Name: "cortex_ingester_chunk_age_seconds",
-			Help: "Distribution of chunk ages (when stored).",
-			// with default settings chunks should flush between 5 min and 12 hours
-			// so buckets at 1min, 5min, 10min, 30min, 1hr, 2hr, 4hr, 10hr, 12hr, 16hr
-			Buckets: []float64{60, 300, 600, 1800, 3600, 7200, 14400, 36000, 43200, 57600},
-		}),
-		memoryChunks: promauto.With(r).NewGauge(prometheus.GaugeOpts{
-			Name: "cortex_ingester_memory_chunks",
-			Help: "The total number of chunks in memory.",
-		}),
-		seriesEnqueuedForFlush: promauto.With(r).NewCounterVec(prometheus.CounterOpts{
-			Name: "cortex_ingester_flushing_enqueued_series_total",
-			Help: "Total number of series enqueued for flushing, with reasons.",
-		}, []string{"reason"}),
-		seriesDequeuedOutcome: promauto.With(r).NewCounterVec(prometheus.CounterOpts{
-			Name: "cortex_ingester_flushing_dequeued_series_total",
-			Help: "Total number of series dequeued for flushing, with outcome (superset of enqueue reasons)",
-		}, []string{"outcome"}),
-		droppedChunks: promauto.With(r).NewCounter(prometheus.CounterOpts{
-			Name: "cortex_ingester_dropped_chunks_total",
-			Help: "Total number of chunks dropped from flushing because they have too few samples.",
-		}),
-		oldestUnflushedChunkTimestamp: promauto.With(r).NewGauge(prometheus.GaugeOpts{
-			Name: "cortex_oldest_unflushed_chunk_timestamp_seconds",
-			Help: "Unix timestamp of the oldest unflushed chunk in the memory",
-		}),
-
 		maxUsersGauge: promauto.With(r).NewGaugeFunc(prometheus.GaugeOpts{
 			Name:        instanceLimits,
 			Help:        instanceLimitsHelp,