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84df80b5e4
issue: #38399 - add metrics for broadcaster component. - add metrics for wal flusher component. - add metrics for wal interceptors. - add slow log for wal. - add more label for some wal metrics. (local or remote/catcup or tailing...) Signed-off-by: chyezh <chyezh@outlook.com>
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
package flusherimpl
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import (
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"strconv"
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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/streaming/util/types"
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"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
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"github.com/milvus-io/milvus/pkg/v2/util/tsoutil"
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)
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const (
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flusherStateInRecovering flusherState = "in_recovery"
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flusherStateInWorking flusherState = "working"
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flusherStateOnClosing flusherState = "closing"
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)
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type flusherState = string
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func newFlusherMetrics(pchannel types.PChannelInfo) *flusherMetrics {
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constLabels := prometheus.Labels{
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metrics.NodeIDLabelName: paramtable.GetStringNodeID(),
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metrics.WALChannelLabelName: pchannel.Name,
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metrics.WALChannelTermLabelName: strconv.FormatInt(pchannel.Term, 10),
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}
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m := &flusherMetrics{
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constLabels: constLabels,
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info: metrics.WALFlusherInfo.MustCurryWith(constLabels),
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timetick: metrics.WALFlusherTimeTick.With(constLabels),
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state: flusherStateInRecovering,
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}
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m.info.WithLabelValues(flusherStateInRecovering).Set(1)
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return m
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}
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type flusherMetrics struct {
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constLabels prometheus.Labels
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info *prometheus.GaugeVec
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timetick prometheus.Gauge
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state flusherState
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}
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func (m *flusherMetrics) IntoState(state flusherState) {
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metrics.WALFlusherInfo.DeletePartialMatch(m.constLabels)
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m.state = state
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m.info.WithLabelValues(m.state).Set(1)
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}
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func (m *flusherMetrics) ObserveMetrics(tickTime uint64) {
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m.timetick.Set(tsoutil.PhysicalTimeSeconds(tickTime))
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}
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func (m *flusherMetrics) Close() {
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metrics.WALFlusherInfo.DeletePartialMatch(m.constLabels)
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metrics.WALFlusherTimeTick.DeletePartialMatch(m.constLabels)
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}
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