Kiu/VictoriaMetrics
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app/vmselect: improve description for -search.maxPointsPerTimeseries command-line flag

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This commit is contained in:
Aliaksandr Valialkin 2021-03-22 16:44:27 +02:00
parent 44a6cc5eca
commit 71b72304ae
2 changed files with 2 additions and 2 deletions
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2
README.md
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@ -1742,7 +1742,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-search.maxLookback duration
Synonim to -search.lookback-delta from Prometheus. The value is dynamically detected from interval between time series datapoints if not set. It can be overridden on per-query basis via max_lookback arg. See also '-search.maxStalenessInterval' flag, which has the same meaining due to historical reasons
-search.maxPointsPerTimeseries int
The maximum points per a single timeseries returned from /api/v1/query_range. This option doesn't limit the number of scanned raw samples in the database. The main purpose of this option is to limit the number of per-series points returned to graphing UI such as Grafana. There is no sense in setting this limit to values significantly exceeding horizontal resoultion of the graph (default 30000)
The maximum points per a single timeseries returned from /api/v1/query_range. This option doesn't limit the number of scanned raw samples in the database. The main purpose of this option is to limit the number of per-series points returned to graphing UI such as Grafana. There is no sense in setting this limit to values bigger than the horizontal resolution of the graph (default 30000)
-search.maxQueryDuration duration
The maximum duration for query execution (default 30s)
-search.maxQueryLen size

2
app/vmselect/promql/eval.go
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@ -21,7 +21,7 @@ var (
disableCache = flag.Bool("search.disableCache", false, "Whether to disable response caching. This may be useful during data backfilling")
maxPointsPerTimeseries = flag.Int("search.maxPointsPerTimeseries", 30e3, "The maximum points per a single timeseries returned from /api/v1/query_range. "+
"This option doesn't limit the number of scanned raw samples in the database. The main purpose of this option is to limit the number of per-series points "+
"returned to graphing UI such as Grafana. There is no sense in setting this limit to values significantly exceeding horizontal resoultion of the graph")
"returned to graphing UI such as Grafana. There is no sense in setting this limit to values bigger than the horizontal resolution of the graph")
)
// The minimum number of points per timeseries for enabling time rounding.