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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>
58 lines
1.9 KiB
Go
58 lines
1.9 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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"github.com/milvus-io/milvus/pkg/v2/util/tsoutil"
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)
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// NewWriteAheadBufferMetrics creates a new WriteAheadBufferMetrics.
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func NewWriteAheadBufferMetrics(
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pchannel string,
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capacity int,
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) *WriteAheadBufferMetrics {
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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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metrics.WALWriteAheadBufferCapacityBytes.With(constLabel).Set(float64(capacity))
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return &WriteAheadBufferMetrics{
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constLabel: constLabel,
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total: metrics.WALWriteAheadBufferEntryTotal.With(constLabel),
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size: metrics.WALWriteAheadBufferSizeBytes.With(constLabel),
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earilestTimeTick: metrics.WALWriteAheadBufferEarliestTimeTick.With(constLabel),
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latestTimeTick: metrics.WALWriteAheadBufferLatestTimeTick.With(constLabel),
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}
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}
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type WriteAheadBufferMetrics struct {
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constLabel prometheus.Labels
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total prometheus.Gauge
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size prometheus.Gauge
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earilestTimeTick prometheus.Gauge
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latestTimeTick prometheus.Gauge
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}
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func (m *WriteAheadBufferMetrics) Observe(
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total int,
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bytes int,
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earilestTimeTick uint64,
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latestTimeTick uint64,
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) {
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m.total.Set(float64(total))
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m.size.Set(float64(bytes))
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m.earilestTimeTick.Set(tsoutil.PhysicalTimeSeconds(earilestTimeTick))
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m.latestTimeTick.Set(tsoutil.PhysicalTimeSeconds(latestTimeTick))
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}
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func (m *WriteAheadBufferMetrics) Close() {
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metrics.WALWriteAheadBufferEntryTotal.Delete(m.constLabel)
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metrics.WALWriteAheadBufferSizeBytes.Delete(m.constLabel)
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metrics.WALWriteAheadBufferEarliestTimeTick.Delete(m.constLabel)
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metrics.WALWriteAheadBufferLatestTimeTick.Delete(m.constLabel)
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metrics.WALWriteAheadBufferCapacityBytes.Delete(m.constLabel)
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}
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