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app/vmselect/prometheus: reduce the default value for -search.maxSeries from 100k to 30k

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Production experience shows that 100k is too big for /api/v1/series .
It leads to increased CPU usage when Grafana queries /api/v1/series over VictoriaMetrics
with big number of time series during auto-completion and when modifying template variables.
This commit is contained in:
Aliaksandr Valialkin 2022-06-28 18:20:01 +03:00
parent 5e22e6046d
commit c21f5a508f
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app/vmselect/prometheus/prometheus.go
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@ -52,7 +52,7 @@ var (
maxFederateSeries = flag.Int("search.maxFederateSeries", 1e6, "The maximum number of time series, which can be returned from /federate. This option allows limiting memory usage")
maxExportSeries = flag.Int("search.maxExportSeries", 10e6, "The maximum number of time series, which can be returned from /api/v1/export* APIs. This option allows limiting memory usage")
maxTSDBStatusSeries = flag.Int("search.maxTSDBStatusSeries", 10e6, "The maximum number of time series, which can be processed during the call to /api/v1/status/tsdb. This option allows limiting memory usage")
maxSeriesLimit = flag.Int("search.maxSeries", 100e3, "The maximum number of time series, which can be returned from /api/v1/series. This option allows limiting memory usage")
maxSeriesLimit = flag.Int("search.maxSeries", 30e3, "The maximum number of time series, which can be returned from /api/v1/series. This option allows limiting memory usage")
)
// Default step used if not set.