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7beafe99a7
issue: #41544 - add a truncator implementation into wal recovery storage. - add metrics for recovery storage. --------- Signed-off-by: chyezh <chyezh@outlook.com>
91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
package metricsutil
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/milvus-io/milvus/pkg/v2/metrics"
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"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
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)
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type GrowingSegmentState string
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func NewSegmentAssignMetrics(pchannel string) *SegmentAssignMetrics {
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constLabel := prometheus.Labels{
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metrics.NodeIDLabelName: paramtable.GetStringNodeID(),
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metrics.WALChannelLabelName: pchannel,
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}
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return &SegmentAssignMetrics{
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constLabel: constLabel,
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allocTotal: metrics.WALSegmentAllocTotal.With(constLabel),
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segmentRowsTotal: metrics.WALSegmentRowsTotal.With(constLabel),
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segmentBytes: metrics.WALSegmentBytes.With(constLabel),
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flushedTotal: metrics.WALSegmentFlushedTotal.MustCurryWith(constLabel),
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partitionTotal: metrics.WALPartitionTotal.With(constLabel),
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collectionTotal: metrics.WALCollectionTotal.With(constLabel),
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}
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}
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// SegmentAssignMetrics is the metrics of the segment assignment.
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type SegmentAssignMetrics struct {
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constLabel prometheus.Labels
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onAllocTotal prometheus.Gauge
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onFlushTotal prometheus.Gauge
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allocTotal prometheus.Gauge
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segmentRowsTotal prometheus.Observer
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segmentBytes prometheus.Observer
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flushedTotal *prometheus.CounterVec
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partitionTotal prometheus.Gauge
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collectionTotal prometheus.Gauge
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}
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// ObserveOnAllocating observe a allocating operation and return a guard function.
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func (m *SegmentAssignMetrics) ObserveOnAllocating() func() {
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m.onAllocTotal.Inc()
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return func() {
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m.onAllocTotal.Dec()
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}
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}
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// ObserveOnFlushing observe a flush operation and return a guard function.
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func (m *SegmentAssignMetrics) ObseveOnFlushing() func() {
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m.onFlushTotal.Inc()
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return func() {
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m.onFlushTotal.Dec()
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}
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}
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// ObserveCreateSegment increments the total number of growing segment.
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func (m *SegmentAssignMetrics) ObserveCreateSegment() {
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m.allocTotal.Inc()
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}
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// ObserveSegmentFlushed records the number of bytes flushed and increments the total number of flushed segments.
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func (m *SegmentAssignMetrics) ObserveSegmentFlushed(policy string, rows int64, bytes int64) {
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m.allocTotal.Dec()
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m.flushedTotal.WithLabelValues(policy).Inc()
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m.segmentRowsTotal.Observe(float64(rows))
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m.segmentBytes.Observe(float64(bytes))
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}
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func (m *SegmentAssignMetrics) UpdateSegmentCount(cnt int) {
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m.allocTotal.Set(float64(cnt))
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}
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func (m *SegmentAssignMetrics) UpdatePartitionCount(cnt int) {
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m.partitionTotal.Set(float64(cnt))
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}
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func (m *SegmentAssignMetrics) UpdateCollectionCount(cnt int) {
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m.collectionTotal.Set(float64(cnt))
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}
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func (m *SegmentAssignMetrics) Close() {
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metrics.WALSegmentAllocTotal.Delete(m.constLabel)
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metrics.WALSegmentFlushedTotal.DeletePartialMatch(m.constLabel)
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metrics.WALSegmentRowsTotal.Delete(m.constLabel)
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metrics.WALSegmentBytes.Delete(m.constLabel)
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metrics.WALPartitionTotal.Delete(m.constLabel)
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metrics.WALCollectionTotal.Delete(m.constLabel)
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}
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