mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-25 05:34:05 -08:00
promql: remove global metrics
This commit is contained in:
Fabian Reinartz
parent
2ec5965b75
commit
f8fccc73d8
137
promql/engine.go
137
promql/engine.go
|
|
@ -47,64 +47,13 @@ const (
|
|||
minInt64 = -9223372036854775808
|
||||
)
|
||||
|
||||
var (
|
||||
currentQueries = prometheus.NewGauge(prometheus.GaugeOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "queries",
|
||||
Help: "The current number of queries being executed or waiting.",
|
||||
})
|
||||
maxConcurrentQueries = prometheus.NewGauge(prometheus.GaugeOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "queries_concurrent_max",
|
||||
Help: "The max number of concurrent queries.",
|
||||
})
|
||||
queryPrepareTime = prometheus.NewSummary(
|
||||
prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "prepare_time"},
|
||||
},
|
||||
)
|
||||
queryInnerEval = prometheus.NewSummary(
|
||||
prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "inner_eval"},
|
||||
},
|
||||
)
|
||||
queryResultAppend = prometheus.NewSummary(
|
||||
prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "result_append"},
|
||||
},
|
||||
)
|
||||
queryResultSort = prometheus.NewSummary(
|
||||
prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "result_sort"},
|
||||
},
|
||||
)
|
||||
)
|
||||
|
||||
func init() {
|
||||
prometheus.MustRegister(currentQueries)
|
||||
prometheus.MustRegister(maxConcurrentQueries)
|
||||
prometheus.MustRegister(queryPrepareTime)
|
||||
prometheus.MustRegister(queryInnerEval)
|
||||
prometheus.MustRegister(queryResultAppend)
|
||||
prometheus.MustRegister(queryResultSort)
|
||||
type engineMetrics struct {
|
||||
currentQueries prometheus.Gauge
|
||||
maxConcurrentQueries prometheus.Gauge
|
||||
queryPrepareTime prometheus.Summary
|
||||
queryInnerEval prometheus.Summary
|
||||
queryResultAppend prometheus.Summary
|
||||
queryResultSort prometheus.Summary
|
||||
}
|
||||
|
||||
// convertibleToInt64 returns true if v does not over-/underflow an int64.
|
||||
|
|
@ -203,6 +152,7 @@ func contextDone(ctx context.Context, env string) error {
|
|||
type Engine struct {
|
||||
// A Querier constructor against an underlying storage.
|
||||
queryable Queryable
|
||||
metrics *engineMetrics
|
||||
// The gate limiting the maximum number of concurrent and waiting queries.
|
||||
gate *queryGate
|
||||
options *EngineOptions
|
||||
|
|
@ -220,12 +170,66 @@ func NewEngine(queryable Queryable, o *EngineOptions) *Engine {
|
|||
if o == nil {
|
||||
o = DefaultEngineOptions
|
||||
}
|
||||
maxConcurrentQueries.Set(float64(o.MaxConcurrentQueries))
|
||||
metrics := &engineMetrics{
|
||||
currentQueries: prometheus.NewGauge(prometheus.GaugeOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "queries",
|
||||
Help: "The current number of queries being executed or waiting.",
|
||||
}),
|
||||
maxConcurrentQueries: prometheus.NewGauge(prometheus.GaugeOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "queries_concurrent_max",
|
||||
Help: "The max number of concurrent queries.",
|
||||
}),
|
||||
queryPrepareTime: prometheus.NewSummary(prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "prepare_time"},
|
||||
}),
|
||||
queryInnerEval: prometheus.NewSummary(prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "inner_eval"},
|
||||
}),
|
||||
queryResultAppend: prometheus.NewSummary(prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "result_append"},
|
||||
}),
|
||||
queryResultSort: prometheus.NewSummary(prometheus.SummaryOpts{
|
||||
Namespace: namespace,
|
||||
Subsystem: subsystem,
|
||||
Name: "query_duration_seconds",
|
||||
Help: "Query timings",
|
||||
ConstLabels: prometheus.Labels{"slice": "result_sort"},
|
||||
}),
|
||||
}
|
||||
metrics.maxConcurrentQueries.Set(float64(o.MaxConcurrentQueries))
|
||||
|
||||
if o.Metrics != nil {
|
||||
o.Metrics.MustRegister(
|
||||
metrics.currentQueries,
|
||||
metrics.maxConcurrentQueries,
|
||||
metrics.queryInnerEval,
|
||||
metrics.queryPrepareTime,
|
||||
metrics.queryResultAppend,
|
||||
metrics.queryResultSort,
|
||||
)
|
||||
}
|
||||
return &Engine{
|
||||
queryable: queryable,
|
||||
gate: newQueryGate(o.MaxConcurrentQueries),
|
||||
options: o,
|
||||
logger: o.Logger,
|
||||
metrics: metrics,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -234,6 +238,7 @@ type EngineOptions struct {
|
|||
MaxConcurrentQueries int
|
||||
Timeout time.Duration
|
||||
Logger log.Logger
|
||||
Metrics prometheus.Registerer
|
||||
}
|
||||
|
||||
// DefaultEngineOptions are the default engine options.
|
||||
|
|
@ -308,8 +313,8 @@ func (ng *Engine) newTestQuery(f func(context.Context) error) Query {
|
|||
// At this point per query only one EvalStmt is evaluated. Alert and record
|
||||
// statements are not handled by the Engine.
|
||||
func (ng *Engine) exec(ctx context.Context, q *query) (Value, error) {
|
||||
currentQueries.Inc()
|
||||
defer currentQueries.Dec()
|
||||
ng.metrics.currentQueries.Inc()
|
||||
defer ng.metrics.currentQueries.Dec()
|
||||
|
||||
ctx, cancel := context.WithTimeout(ctx, ng.options.Timeout)
|
||||
q.cancel = cancel
|
||||
|
|
@ -362,7 +367,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
|
|||
prepareTimer := query.stats.GetTimer(stats.QueryPreparationTime).Start()
|
||||
querier, err := ng.populateIterators(ctx, s)
|
||||
prepareTimer.Stop()
|
||||
queryPrepareTime.Observe(prepareTimer.ElapsedTime().Seconds())
|
||||
ng.metrics.queryPrepareTime.Observe(prepareTimer.ElapsedTime().Seconds())
|
||||
|
||||
// XXX(fabxc): the querier returned by populateIterators might be instantiated
|
||||
// we must not return without closing irrespective of the error.
|
||||
|
|
@ -390,7 +395,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
|
|||
}
|
||||
|
||||
evalTimer.Stop()
|
||||
queryInnerEval.Observe(evalTimer.ElapsedTime().Seconds())
|
||||
ng.metrics.queryInnerEval.Observe(evalTimer.ElapsedTime().Seconds())
|
||||
// Point might have a different timestamp, force it to the evaluation
|
||||
// timestamp as that is when we ran the evaluation.
|
||||
switch v := val.(type) {
|
||||
|
|
@ -456,7 +461,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
|
|||
}
|
||||
}
|
||||
evalTimer.Stop()
|
||||
queryInnerEval.Observe(evalTimer.ElapsedTime().Seconds())
|
||||
ng.metrics.queryInnerEval.Observe(evalTimer.ElapsedTime().Seconds())
|
||||
|
||||
if err := contextDone(ctx, "expression evaluation"); err != nil {
|
||||
return nil, err
|
||||
|
|
@ -468,7 +473,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
|
|||
mat = append(mat, ss)
|
||||
}
|
||||
appendTimer.Stop()
|
||||
queryResultAppend.Observe(appendTimer.ElapsedTime().Seconds())
|
||||
ng.metrics.queryResultAppend.Observe(appendTimer.ElapsedTime().Seconds())
|
||||
|
||||
if err := contextDone(ctx, "expression evaluation"); err != nil {
|
||||
return nil, err
|
||||
|
|
@ -480,7 +485,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
|
|||
sort.Sort(mat)
|
||||
sortTimer.Stop()
|
||||
|
||||
queryResultSort.Observe(sortTimer.ElapsedTime().Seconds())
|
||||
ng.metrics.queryResultSort.Observe(sortTimer.ElapsedTime().Seconds())
|
||||
return mat, nil
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue