mirror of https://github.com/prometheus/prometheus
91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
// Copyright 2014 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package chunk
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import "github.com/prometheus/client_golang/prometheus"
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// Usually, a separate file for instrumentation is frowned upon. Metrics should
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// be close to where they are used. However, the metrics below are set all over
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// the place, so we go for a separate instrumentation file in this case.
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var (
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Ops = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "chunk_ops_total",
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Help: "The total number of chunk operations by their type.",
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},
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[]string{OpTypeLabel},
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)
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DescOps = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "chunkdesc_ops_total",
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Help: "The total number of chunk descriptor operations by their type.",
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},
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[]string{OpTypeLabel},
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)
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NumMemDescs = prometheus.NewGauge(prometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "memory_chunkdescs",
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Help: "The current number of chunk descriptors in memory.",
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})
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)
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const (
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namespace = "prometheus"
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subsystem = "local_storage"
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// OpTypeLabel is the label name for chunk operation types.
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OpTypeLabel = "type"
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// Op-types for ChunkOps.
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// CreateAndPin is the label value for create-and-pin chunk ops.
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CreateAndPin = "create" // A Desc creation with refCount=1.
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// PersistAndUnpin is the label value for persist chunk ops.
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PersistAndUnpin = "persist"
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// Pin is the label value for pin chunk ops (excludes pin on creation).
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Pin = "pin"
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// Unpin is the label value for unpin chunk ops (excludes the unpin on persisting).
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Unpin = "unpin"
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// Clone is the label value for clone chunk ops.
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Clone = "clone"
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// Transcode is the label value for transcode chunk ops.
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Transcode = "transcode"
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// Drop is the label value for drop chunk ops.
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Drop = "drop"
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// Op-types for ChunkOps and ChunkDescOps.
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// Evict is the label value for evict chunk desc ops.
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Evict = "evict"
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// Load is the label value for load chunk and chunk desc ops.
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Load = "load"
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)
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func init() {
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prometheus.MustRegister(Ops)
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prometheus.MustRegister(DescOps)
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prometheus.MustRegister(NumMemDescs)
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}
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// NumMemChunks is the total number of chunks in memory. This is a global
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// counter, also used internally, so not implemented as metrics. Collected in
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// MemorySeriesStorage.
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// TODO(beorn7): Having this as an exported global variable is really bad.
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var NumMemChunks int64
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