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85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 metrics
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import (
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"net/http"
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// nolint:gosec
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_ "net/http/pprof"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"go.uber.org/zap"
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)
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const (
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milvusNamespace = "milvus"
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AbandonLabel = "abandon"
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SuccessLabel = "success"
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FailLabel = "fail"
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TotalLabel = "total"
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InsertLabel = "insert"
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DeleteLabel = "delete"
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SearchLabel = "search"
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QueryLabel = "query"
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CacheHitLabel = "hit"
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CacheMissLabel = "miss"
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UnissuedIndexTaskLabel = "unissued"
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InProgressIndexTaskLabel = "in-progress"
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FinishedIndexTaskLabel = "finished"
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FailedIndexTaskLabel = "failed"
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RecycledIndexTaskLabel = "recycled"
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SealedSegmentLabel = "Sealed"
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GrowingSegmentLabel = "Growing"
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FlushedSegmentLabel = "Flushed"
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FlushingSegmentLabel = "Flushing"
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DropedSegmentLabel = "Dropped"
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nodeIDLabelName = "node_id"
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statusLabelName = "status"
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indexTaskStatusLabelName = "index_task_status"
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msgTypeLabelName = "msg_type"
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collectionIDLabelName = "collection_id"
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channelNameLabelName = "channel_name"
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functionLabelName = "function_name"
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queryTypeLabelName = "query_type"
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segmentTypeLabelName = "segment_type"
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)
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var (
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// buckets involves durations in milliseconds,
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// [1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 1.31072e+05]
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buckets = prometheus.ExponentialBuckets(1, 2, 18)
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)
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//ServeHTTP serves prometheus http service
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func ServeHTTP() {
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http.Handle("/metrics", promhttp.Handler())
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go func() {
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if err := http.ListenAndServe(":9091", nil); err != nil {
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log.Error("handle metrics failed", zap.Error(err))
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}
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}()
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}
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