txn

Documentation

Index

• Variables
• func InitMetrics(registry *prometheus.Registry)

Variables

var (
	// ConflictDetectDuration records the duration of detecting conflict.
	ConflictDetectDuration = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_conflict_detect_duration",
			Help:      "Bucketed histogram of conflict detect time (s) for single DML statement.",
			Buckets:   prometheus.ExponentialBuckets(0.001, 2, 20),
		}, []string{"namespace", "changefeed"})

	// QueueDuration = ConflictDetectDuration + (queue time in txn workers).
	QueueDuration = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_queue_duration",
			Help:      "Bucketed histogram of queue time (s) for single DML statement.",
			Buckets:   prometheus.ExponentialBuckets(0.001, 2, 20),
		}, []string{"namespace", "changefeed"})

	WorkerFlushDuration = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_worker_flush_duration",
			Help:      "Flush duration (s) for txn worker.",
			Buckets:   prometheus.ExponentialBuckets(0.001, 2, 20),
		}, []string{"namespace", "changefeed", "id"})

	WorkerTotalDuration = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_worker_total_duration",
			Help:      "total duration (s) for txn worker.",
			Buckets:   prometheus.ExponentialBuckets(0.0001, 2, 20),
		}, []string{"namespace", "changefeed", "id"})

	WorkerHandledRows = prometheus.NewCounterVec(
		prometheus.CounterOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_worker_handled_rows",
			Help:      "Busy ratio (X ms in 1s) for all workers.",
		}, []string{"namespace", "changefeed", "id"})

	SinkDMLBatchCommit = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_sink_dml_batch_commit",
			Help:      "Duration of committing a DML batch",
			Buckets:   prometheus.ExponentialBuckets(0.01, 2, 18),
		}, []string{"namespace", "changefeed"})

	SinkDMLBatchCallback = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_sink_dml_batch_callback",
			Help:      "Duration of execuing a batch of callbacks",
			Buckets:   prometheus.ExponentialBuckets(0.01, 2, 18),
		}, []string{"namespace", "changefeed"})

	PrepareStatementErrors = prometheus.NewCounterVec(
		prometheus.CounterOpts{
			Namespace: "ticdc",
			Subsystem: "sink",
			Name:      "txn_prepare_statement_errors",
			Help:      "Prepare statement errors",
		}, []string{"namespace", "changefeed"})
)

---------- Metrics for txn sink and backends. ---------- //

Functions

func InitMetrics

func InitMetrics(registry *prometheus.Registry)

InitMetrics registers all metrics in this file.