ShiftNode (偏移节点)

stream
  |shift(5m)

stream
  |shift(-10s)

shift.quiet()

shift|alert()

shift|barrier()

shift|bottom(num int64, field string, fieldsAndTags ...string)

shift|changeDetect(field string)

shift|combine(expressions ...ast.LambdaNode)

shift|count(field string)

shift|cumulativeSum(field string)

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    data
        |deadman(100.0, 10s)
    //Do normal processing of data
    data...

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    data
        |stats(10s)
            .align()
        |derivative('emitted')
            .unit(10s)
            .nonNegative()
        |alert()
            .id('node \'stream0\' in task \'{{ .TaskName }}\'')
            .message('{{ .ID }} is {{ if eq .Level "OK" }}alive{{ else }}dead{{ end }}: {{ index .Fields "emitted" | printf "%0.3f" }} points/10s.')
            .crit(lambda: "emitted" <= 100.0)
    //Do normal processing of data
    data...

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    data
        |deadman(100.0, 10s)
            .slack()
            .channel('#dead_tasks')
    //Do normal processing of data
    data...

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    // Only trigger the alert if the time of day is between 8am-5pm.
    data
        |deadman(100.0, 10s, lambda: hour("time") >= 8 AND hour("time") <= 17)
    //Do normal processing of data
    data...

shift|deadman(threshold float64, interval time.Duration, expr ...ast.LambdaNode)

shift|default()

shift|delete()

shift|derivative(field string)

shift|difference(field string)

shift|distinct(field string)

shift|ec2Autoscale()

shift|elapsed(field string, unit time.Duration)

shift|eval(expressions ...ast.LambdaNode)

shift|first(field string)

shift|flatten()

    |groupBy(*)

shift|groupBy(tag ...interface{})

shift|holtWinters(field string, h int64, m int64, interval time.Duration)

shift|holtWintersWithFit(field string, h int64, m int64, interval time.Duration)

shift|httpOut(endpoint string)

shift|httpPost(url ...string)

shift|influxDBOut()

shift|join(others ...Node)

shift|k8sAutoscale()

shift|kapacitorLoopback()

shift|last(field string)

shift|log()

shift|max(field string)

shift|mean(field string)

shift|median(field string)

shift|min(field string)

shift|mode(field string)

shift|movingAverage(field string, window int64)

shift|percentile(field string, percentile float64)

shift|sample(rate interface{})

shift|shift(shift time.Duration)

shift|sideload()

shift|spread(field string)

shift|stateCount(expression ast.LambdaNode)

shift|stateDuration(expression ast.LambdaNode)

shift|stats(interval time.Duration)

shift|stddev(field string)

shift|sum(field string)

shift|swarmAutoscale()

shift|top(num int64, field string, fieldsAndTags ...string)

shift|trickle()

shift|union(node ...Node)

shift|where(expression ast.LambdaNode)

shift|window()