Aliaksandr Valialkin
0401969d78
app/vmselect/promql: re-use metrics.Histogram when calculating histogram function for each point on the graph
...
This should reduce the amounts memory allocations
2019-11-25 14:24:21 +02:00
Aliaksandr Valialkin
50ae1879c6
app/vmselect/promql: add histogram aggregate function, which is useful for building heatmaps from multiple time series
2019-11-24 00:04:25 +02:00
Aliaksandr Valialkin
6954e126fc
app/vmselect/promql: ignore grouping by destination label in count_values, since such a grouping is performed automatically
2019-09-04 19:58:01 +03:00
Aliaksandr Valialkin
17096b5750
app/vmselect/promql: return NaN from count() over zero time series
...
This aligns `count` behavior with Prometheus.
2019-07-25 22:02:30 +03:00
Aliaksandr Valialkin
9203170eb2
app/vmselect/promql: extract rmoeveGroupTags function for removing unneeded tags from MetricName according to the given modifierExpr
2019-07-09 23:20:48 +03:00
Aliaksandr Valialkin
4dbd642c86
app/vmselect/promql: remove empty timeseries left after topk call
2019-07-04 19:42:39 +03:00
Aliaksandr Valialkin
90e72c2a42
app/vmselect/promql: add sum2 and sum2_over_time, geomean and geomean_over_time funcs.
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These functions may be useful for statistic calculations.
2019-06-24 16:44:44 +03:00
Aliaksandr Valialkin
1c33b5937e
app/vmselect/promql: prevent from count_values explosion of timeseries, which could result in OOM
2019-06-11 01:03:13 +03:00
Aliaksandr Valialkin
8bb6bc986d
app/vmselect/promql: skip superflouos timestamps copying in count_values
2019-06-11 00:44:01 +03:00
Aliaksandr Valialkin
bf9782eaf6
app/vmselect/promql: skip NaN values in count_values func
2019-06-10 22:42:32 +03:00
Aliaksandr Valialkin
1458450dba
app/vmselect/promql: return the correct time series from quantile
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Previously arbitrary time series could be returned from `quantile`
depending on sort order for the last data point in the selected range.
Fix this by returning the calculated time series.
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/55
2019-06-06 17:07:31 +03:00
Aliaksandr Valialkin
1836c415e6
all: open-sourcing single-node version
2019-05-23 00:18:06 +03:00
