fix deadlock in scrape manager (#4894)
Scrape manager will fall in deadlock when we reload configs frequently.
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cfb3769274
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@ -110,7 +110,7 @@ func (m *Manager) reload() {
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scrapeConfig, ok := m.scrapeConfigs[setName]
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scrapeConfig, ok := m.scrapeConfigs[setName]
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if !ok {
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if !ok {
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level.Error(m.logger).Log("msg", "error reloading target set", "err", "invalid config id:"+setName)
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level.Error(m.logger).Log("msg", "error reloading target set", "err", "invalid config id:"+setName)
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return
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continue
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}
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}
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sp = newScrapePool(scrapeConfig, m.append, log.With(m.logger, "scrape_pool", setName))
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sp = newScrapePool(scrapeConfig, m.append, log.With(m.logger, "scrape_pool", setName))
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m.scrapePools[setName] = sp
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m.scrapePools[setName] = sp
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