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make targets active parallel (#5740)
Signed-off-by: yeya24 <yb532204897@gmail.com>
This commit is contained in:
parent
7d36178731
commit
b7bb278e95
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@ -213,7 +213,6 @@ func (m *Manager) TargetsAll() map[string][]*Target {
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targets := make(map[string][]*Target, len(m.scrapePools))
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for tset, sp := range m.scrapePools {
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targets[tset] = append(sp.ActiveTargets(), sp.DroppedTargets()...)
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}
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return targets
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}
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@ -223,10 +222,24 @@ func (m *Manager) TargetsActive() map[string][]*Target {
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m.mtxScrape.Lock()
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defer m.mtxScrape.Unlock()
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var (
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wg sync.WaitGroup
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mtx sync.Mutex
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)
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targets := make(map[string][]*Target, len(m.scrapePools))
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wg.Add(len(m.scrapePools))
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for tset, sp := range m.scrapePools {
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targets[tset] = sp.ActiveTargets()
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// Running in parallel limits the blocking time of scrapePool to scrape
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// interval when there's an update from SD.
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go func(tset string, sp *scrapePool) {
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mtx.Lock()
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targets[tset] = sp.ActiveTargets()
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mtx.Unlock()
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wg.Done()
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}(tset, sp)
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}
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wg.Wait()
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return targets
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}
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@ -66,7 +66,7 @@ var (
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targetScrapePools = prometheus.NewCounter(
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prometheus.CounterOpts{
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Name: "prometheus_target_scrape_pools_total",
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Help: "Total number of scrape pool creation atttempts.",
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Help: "Total number of scrape pool creation attempts.",
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},
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)
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targetScrapePoolsFailed = prometheus.NewCounter(
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