milvus/pkg/metrics/querycoord_metrics.go

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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
var (
QueryCoordNumCollections = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "collection_num",
Help: "number of collections",
}, []string{})
QueryCoordNumPartitions = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "partition_num",
Help: "number of partitions",
}, []string{})
QueryCoordLoadCount = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "load_req_count",
Help: "count of load request",
}, []string{
statusLabelName,
})
QueryCoordReleaseCount = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "release_req_count",
Help: "count of release request",
}, []string{
statusLabelName,
})
QueryCoordLoadLatency = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "load_latency",
Help: "latency of load the entire collection",
Buckets: []float64{0, 500, 1000, 2000, 5000, 10000, 20000, 50000, 60000, 300000, 600000, 1800000},
}, []string{})
QueryCoordReleaseLatency = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "release_latency",
Help: "latency of release request",
Buckets: []float64{0, 5, 10, 20, 40, 100, 200, 400, 1000, 10000},
}, []string{})
QueryCoordTaskNum = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "task_num",
Help: "the number of tasks in QueryCoord's scheduler",
}, []string{})
QueryCoordNumQueryNodes = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.QueryCoordRole,
Name: "querynode_num",
Help: "number of QueryNodes managered by QueryCoord",
}, []string{})
)
// RegisterQueryCoord registers QueryCoord metrics
func RegisterQueryCoord(registry *prometheus.Registry) {
registry.MustRegister(QueryCoordNumCollections)
registry.MustRegister(QueryCoordNumPartitions)
registry.MustRegister(QueryCoordLoadCount)
registry.MustRegister(QueryCoordReleaseCount)
registry.MustRegister(QueryCoordLoadLatency)
registry.MustRegister(QueryCoordReleaseLatency)
registry.MustRegister(QueryCoordTaskNum)
registry.MustRegister(QueryCoordNumQueryNodes)
}