mudhorn/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus.git synced 2024-11-09 23:24:05 -08:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

Scraping: add metric for symbol table size

Browse source 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
This commit is contained in:
Bryan Boreham 2024-04-02 14:56:19 +01:00
parent 709c5d6fc3
commit 7ca31c66be
2 changed files with 12 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
scrape/metrics.go
View file

@ -34,6 +34,7 @@ type scrapeMetrics struct {
targetScrapePoolExceededTargetLimit prometheus.Counter targetScrapePoolExceededTargetLimit prometheus.Counter
targetScrapePoolTargetLimit *prometheus.GaugeVec targetScrapePoolTargetLimit *prometheus.GaugeVec
targetScrapePoolTargetsAdded *prometheus.GaugeVec targetScrapePoolTargetsAdded *prometheus.GaugeVec
targetScrapePoolSymbolTableItems *prometheus.GaugeVec
targetSyncIntervalLength *prometheus.SummaryVec targetSyncIntervalLength *prometheus.SummaryVec
targetSyncFailed *prometheus.CounterVec targetSyncFailed *prometheus.CounterVec
@ -129,6 +130,13 @@ func newScrapeMetrics(reg prometheus.Registerer) (*scrapeMetrics, error) {
}, },
[]string{"scrape_job"}, []string{"scrape_job"},
) )
sm.targetScrapePoolSymbolTableItems = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "prometheus_target_scrape_pool_symboltable_items",
Help: "Current number of symbols in table for this scrape pool.",
},
[]string{"scrape_job"},
)
sm.targetScrapePoolSyncsCounter = prometheus.NewCounterVec( sm.targetScrapePoolSyncsCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{ prometheus.CounterOpts{
Name: "prometheus_target_scrape_pool_sync_total", Name: "prometheus_target_scrape_pool_sync_total",
@ -234,6 +242,7 @@ func newScrapeMetrics(reg prometheus.Registerer) (*scrapeMetrics, error) {
sm.targetScrapePoolExceededTargetLimit, sm.targetScrapePoolExceededTargetLimit,
sm.targetScrapePoolTargetLimit, sm.targetScrapePoolTargetLimit,
sm.targetScrapePoolTargetsAdded, sm.targetScrapePoolTargetsAdded,
sm.targetScrapePoolSymbolTableItems,
sm.targetSyncFailed, sm.targetSyncFailed,
// Used by targetScraper. // Used by targetScraper.
sm.targetScrapeExceededBodySizeLimit, sm.targetScrapeExceededBodySizeLimit,
@ -274,6 +283,7 @@ func (sm *scrapeMetrics) Unregister() {
sm.reg.Unregister(sm.targetScrapePoolExceededTargetLimit) sm.reg.Unregister(sm.targetScrapePoolExceededTargetLimit)
sm.reg.Unregister(sm.targetScrapePoolTargetLimit) sm.reg.Unregister(sm.targetScrapePoolTargetLimit)
sm.reg.Unregister(sm.targetScrapePoolTargetsAdded) sm.reg.Unregister(sm.targetScrapePoolTargetsAdded)
sm.reg.Unregister(sm.targetScrapePoolSymbolTableItems)
sm.reg.Unregister(sm.targetSyncFailed) sm.reg.Unregister(sm.targetSyncFailed)
sm.reg.Unregister(sm.targetScrapeExceededBodySizeLimit) sm.reg.Unregister(sm.targetScrapeExceededBodySizeLimit)
sm.reg.Unregister(sm.targetScrapeCacheFlushForced) sm.reg.Unregister(sm.targetScrapeCacheFlushForced)

2
scrape/scrape.go
View file

@ -246,6 +246,7 @@ func (sp *scrapePool) stop() {
sp.metrics.targetScrapePoolSyncsCounter.DeleteLabelValues(sp.config.JobName) sp.metrics.targetScrapePoolSyncsCounter.DeleteLabelValues(sp.config.JobName)
sp.metrics.targetScrapePoolTargetLimit.DeleteLabelValues(sp.config.JobName) sp.metrics.targetScrapePoolTargetLimit.DeleteLabelValues(sp.config.JobName)
sp.metrics.targetScrapePoolTargetsAdded.DeleteLabelValues(sp.config.JobName) sp.metrics.targetScrapePoolTargetsAdded.DeleteLabelValues(sp.config.JobName)
sp.metrics.targetScrapePoolSymbolTableItems.DeleteLabelValues(sp.config.JobName)
sp.metrics.targetSyncIntervalLength.DeleteLabelValues(sp.config.JobName) sp.metrics.targetSyncIntervalLength.DeleteLabelValues(sp.config.JobName)
sp.metrics.targetSyncFailed.DeleteLabelValues(sp.config.JobName) sp.metrics.targetSyncFailed.DeleteLabelValues(sp.config.JobName)
} }
@ -408,6 +409,7 @@ func (sp *scrapePool) Sync(tgs []*targetgroup.Group) {
} }
} }
} }
sp.metrics.targetScrapePoolSymbolTableItems.WithLabelValues(sp.config.JobName).Set(float64(sp.symbolTable.Len()))
sp.targetMtx.Unlock() sp.targetMtx.Unlock()
sp.sync(all) sp.sync(all)