milvus/pkg/metrics/datacoord_metrics.go
wayblink a1232fafda
feat: Major compaction (#33620)
#30633

Signed-off-by: wayblink <anyang.wang@zilliz.com>
Co-authored-by: MrPresent-Han <chun.han@zilliz.com>
2024-06-10 21:34:08 +08:00

380 lines
12 KiB
Go

// 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 (
"fmt"
"github.com/prometheus/client_golang/prometheus"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
const (
InsertFileLabel = "insert_file"
DeleteFileLabel = "delete_file"
StatFileLabel = "stat_file"
IndexFileLabel = "index_file"
segmentFileTypeLabelName = "segment_file_type"
)
var (
// DataCoordNumDataNodes records the num of data nodes managed by DataCoord.
DataCoordNumDataNodes = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "datanode_num",
Help: "number of data nodes",
}, []string{})
DataCoordNumSegments = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "segment_num",
Help: "number of segments",
}, []string{
segmentStateLabelName,
segmentLevelLabelName,
})
// DataCoordCollectionNum records the num of collections managed by DataCoord.
DataCoordNumCollections = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "collection_num",
Help: "number of collections",
}, []string{})
DataCoordSizeStoredL0Segment = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "store_level0_segment_size",
Help: "stored l0 segment size",
Buckets: buckets,
}, []string{
collectionIDLabelName,
})
DataCoordRateStoredL0Segment = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "store_level0_segment_rate",
Help: "stored l0 segment rate",
}, []string{})
// DataCoordNumStoredRows all metrics will be cleaned up after removing matched collectionID and
// segment state labels in CleanupDataCoordNumStoredRows method.
DataCoordNumStoredRows = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "stored_rows_num",
Help: "number of stored rows of healthy segment",
}, []string{
databaseLabelName,
collectionIDLabelName,
segmentStateLabelName,
})
DataCoordBulkVectors = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "bulk_insert_vectors_count",
Help: "counter of vectors successfully bulk inserted",
}, []string{
databaseLabelName,
collectionIDLabelName,
})
DataCoordConsumeDataNodeTimeTickLag = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "consume_datanode_tt_lag_ms",
Help: "now time minus tt per physical channel",
}, []string{
nodeIDLabelName,
channelNameLabelName,
})
DataCoordCheckpointUnixSeconds = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "channel_checkpoint_unix_seconds",
Help: "channel checkpoint timestamp in unix seconds",
}, []string{
nodeIDLabelName,
channelNameLabelName,
})
DataCoordStoredBinlogSize = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "stored_binlog_size",
Help: "binlog size of healthy segments",
}, []string{
databaseLabelName,
collectionIDLabelName,
segmentIDLabelName,
})
DataCoordSegmentBinLogFileCount = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "segment_binlog_file_count",
Help: "number of binlog files for each segment",
}, []string{
collectionIDLabelName,
segmentIDLabelName,
})
DataCoordStoredIndexFilesSize = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "stored_index_files_size",
Help: "index files size of the segments",
}, []string{
databaseLabelName,
collectionIDLabelName,
segmentIDLabelName,
})
DataCoordDmlChannelNum = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "watched_dml_chanel_num",
Help: "the num of dml channel watched by datanode",
}, []string{
nodeIDLabelName,
})
DataCoordCompactedSegmentSize = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "compacted_segment_size",
Help: "the segment size of compacted segment",
Buckets: sizeBuckets,
}, []string{})
DataCoordCompactionTaskNum = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "compaction_task_num",
Help: "Number of compaction tasks currently",
}, []string{
nodeIDLabelName,
compactionTypeLabelName,
statusLabelName,
})
DataCoordCompactionLatency = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "compaction_latency",
Help: "latency of compaction operation",
Buckets: longTaskBuckets,
}, []string{
isVectorFieldLabelName,
compactionTypeLabelName,
stageLabelName,
})
FlushedSegmentFileNum = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Name: "flushed_segment_file_num",
Help: "the num of files for flushed segment",
Buckets: buckets,
}, []string{segmentFileTypeLabelName})
/* garbage collector related metrics */
// GarbageCollectorFileScanDuration metrics for gc scan storage files.
GarbageCollectorFileScanDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "gc_file_scan_duration",
Help: "duration of scan file in storage while garbage collecting (in milliseconds)",
Buckets: longTaskBuckets,
}, []string{nodeIDLabelName, segmentFileTypeLabelName})
GarbageCollectorRunCount = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "gc_run_count",
Help: "garbage collection running count",
}, []string{nodeIDLabelName})
/* hard to implement, commented now
DataCoordSegmentSizeRatio = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "segment_size_ratio",
Help: "size ratio compared to the configuration size",
Buckets: prometheus.LinearBuckets(0.0, 0.1, 15),
}, []string{})
DataCoordSegmentFlushDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "segment_flush_duration",
Help: "time spent on each segment flush",
Buckets: []float64{0.1, 0.5, 1, 5, 10, 20, 50, 100, 250, 500, 1000, 3600, 5000, 10000}, // unit seconds
}, []string{})
DataCoordCompactDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "segment_compact_duration",
Help: "time spent on each segment flush",
Buckets: []float64{0.1, 0.5, 1, 5, 10, 20, 50, 100, 250, 500, 1000, 3600, 5000, 10000}, // unit seconds
}, []string{})
DataCoordCompactLoad = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "compaction_load",
Help: "Information on the input and output of compaction",
}, []string{})
*/
// IndexRequestCounter records the number of the index requests.
IndexRequestCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "index_req_count",
Help: "number of building index requests ",
}, []string{statusLabelName})
// IndexTaskNum records the number of index tasks of each type.
IndexTaskNum = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "index_task_count",
Help: "number of index tasks of each type",
}, []string{collectionIDLabelName, indexTaskStatusLabelName})
// IndexNodeNum records the number of IndexNodes managed by IndexCoord.
IndexNodeNum = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "index_node_num",
Help: "number of IndexNodes managed by IndexCoord",
}, []string{})
ImportTasks = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: milvusNamespace,
Subsystem: typeutil.DataCoordRole,
Name: "import_tasks",
Help: "the import tasks grouping by type and state",
}, []string{"task_type", "import_state"})
)
// RegisterDataCoord registers DataCoord metrics
func RegisterDataCoord(registry *prometheus.Registry) {
registry.MustRegister(DataCoordNumDataNodes)
registry.MustRegister(DataCoordNumSegments)
registry.MustRegister(DataCoordNumCollections)
registry.MustRegister(DataCoordNumStoredRows)
registry.MustRegister(DataCoordBulkVectors)
registry.MustRegister(DataCoordConsumeDataNodeTimeTickLag)
registry.MustRegister(DataCoordCheckpointUnixSeconds)
registry.MustRegister(DataCoordStoredBinlogSize)
registry.MustRegister(DataCoordStoredIndexFilesSize)
registry.MustRegister(DataCoordSegmentBinLogFileCount)
registry.MustRegister(DataCoordDmlChannelNum)
registry.MustRegister(DataCoordCompactedSegmentSize)
registry.MustRegister(DataCoordCompactionTaskNum)
registry.MustRegister(DataCoordCompactionLatency)
registry.MustRegister(DataCoordSizeStoredL0Segment)
registry.MustRegister(DataCoordRateStoredL0Segment)
registry.MustRegister(FlushedSegmentFileNum)
registry.MustRegister(IndexRequestCounter)
registry.MustRegister(IndexTaskNum)
registry.MustRegister(IndexNodeNum)
registry.MustRegister(ImportTasks)
registry.MustRegister(GarbageCollectorFileScanDuration)
registry.MustRegister(GarbageCollectorRunCount)
}
func CleanupDataCoordSegmentMetrics(dbName string, collectionID int64, segmentID int64) {
DataCoordSegmentBinLogFileCount.
Delete(
prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
segmentIDLabelName: fmt.Sprint(segmentID),
})
DataCoordStoredBinlogSize.Delete(prometheus.Labels{
databaseLabelName: dbName,
collectionIDLabelName: fmt.Sprint(collectionID),
segmentIDLabelName: fmt.Sprint(segmentID),
})
DataCoordStoredIndexFilesSize.Delete(prometheus.Labels{
databaseLabelName: dbName,
collectionIDLabelName: fmt.Sprint(collectionID),
segmentIDLabelName: fmt.Sprint(segmentID),
})
}
func CleanupDataCoordWithCollectionID(collectionID int64) {
IndexTaskNum.DeletePartialMatch(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
DataCoordNumStoredRows.DeletePartialMatch(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
DataCoordBulkVectors.DeletePartialMatch(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
DataCoordSegmentBinLogFileCount.DeletePartialMatch(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
DataCoordStoredBinlogSize.DeletePartialMatch(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
DataCoordStoredIndexFilesSize.DeletePartialMatch(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
DataCoordSizeStoredL0Segment.Delete(prometheus.Labels{
collectionIDLabelName: fmt.Sprint(collectionID),
})
}