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Stale series are sent when there is a difference between current and previous scrapes. Those series which disappeared in the current scrape are marked as stale and sent to the remote storage. Sending stale series requires memory allocation and in case when too many series disappear in the same it could result in noticeable memory spike. For example, re-deploy of a big fleet of service can result into excessive memory usage for vmagent, because all the series with old pod name will be marked as stale and sent to the remote write storage. This change limits the number of stale series which can be sent at once, so memory usage remains steady. https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3668 https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3675 Signed-off-by: hagen1778 <roman@victoriametrics.com> Signed-off-by: hagen1778 <roman@victoriametrics.com> |
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| .. | ||
| discovery | ||
| discoveryutils | ||
| testdata | ||
| client.go | ||
| config_test.go | ||
| config_timing_test.go | ||
| config.go | ||
| relabel_debug.go | ||
| scraper.go | ||
| scrapework_test.go | ||
| scrapework_timing_test.go | ||
| scrapework.go | ||
| statconn.go | ||
| targetstatus.go | ||
| targetstatus.qtpl | ||
| targetstatus.qtpl.go | ||