storage: add initial metrics for kv

2015-08-28 10:35:30 -07:00
parent 37d9354aa2
commit b5838edb93
3 changed files with 123 additions and 3 deletions
--- a/storage/metrics.go
+++ b/storage/metrics.go
@ -0,0 +1,92 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package storage
+
+import (
+	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
+)
+
+var (
+	rangeCounter = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "range_total",
+			Help:      "Total number of ranges seen by this member.",
+		})
+
+	putCounter = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "put_total",
+			Help:      "Total number of puts seen by this member.",
+		})
+
+	deleteCounter = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "delete_total",
+			Help:      "Total number of deletes seen by this member.",
+		})
+
+	txnCounter = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "txn_total",
+			Help:      "Total number of txns seen by this member.",
+		})
+
+	indexCompactionPauseDurations = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "index_compaction_pause_duration_milliseconds",
+			Help:      "Bucketed histogram of index compaction puase duration.",
+			// 0.5ms -> 1second
+			Buckets: prometheus.ExponentialBuckets(0.5, 2, 12),
+		})
+
+	dbCompactionPauseDurations = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "db_compaction_pause_duration_milliseconds",
+			Help:      "Bucketed histogram of db compaction puase duration.",
+			// 1ms -> 4second
+			Buckets: prometheus.ExponentialBuckets(1, 2, 13),
+		})
+
+	dbCompactionTotalDurations = prometheus.NewHistogram(
+		prometheus.HistogramOpts{
+			Namespace: "etcd",
+			Subsystem: "storage",
+			Name:      "db_compaction_total_duration_milliseconds",
+			Help:      "Bucketed histogram of db compaction total duration.",
+			// 100ms -> 800second
+			Buckets: prometheus.ExponentialBuckets(100, 2, 14),
+		})
+)
+
+func init() {
+	prometheus.MustRegister(rangeCounter)
+	prometheus.MustRegister(putCounter)
+	prometheus.MustRegister(deleteCounter)
+	prometheus.MustRegister(indexCompactionPauseDurations)
+	prometheus.MustRegister(dbCompactionPauseDurations)
+	prometheus.MustRegister(dbCompactionTotalDurations)
+}