Aliaksandr Valialkin
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10f5a26bec
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app/vmselect/promql: return NaN values if invalid bucket counts are passed to histogram_quantile
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/136
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2019-07-30 22:05:10 +03:00 |
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Aliaksandr Valialkin
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17096b5750
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app/vmselect/promql: return NaN from count() over zero time series
This aligns `count` behavior with Prometheus.
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2019-07-25 22:02:30 +03:00 |
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Aliaksandr Valialkin
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9203170eb2
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app/vmselect/promql: extract rmoeveGroupTags function for removing unneeded tags from MetricName according to the given modifierExpr
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2019-07-09 23:20:48 +03:00 |
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Aliaksandr Valialkin
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2db685c19c
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app/vmselect/promql: properly preserve metric name after applying functions in any case from transformFuncsKeepMetricGroup
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2019-07-09 23:10:35 +03:00 |
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Aliaksandr Valialkin
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4dbd642c86
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app/vmselect/promql: remove empty timeseries left after topk call
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2019-07-04 19:42:39 +03:00 |
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Aliaksandr Valialkin
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b9166a60ff
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app/vmselect: do not return empty time series in /api/v1/query result
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2019-07-01 17:16:34 +03:00 |
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Aliaksandr Valialkin
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74c0fb04f3
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app/vmselect/promql: consistency renaming: candlestick -> rollup_candlestick
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2019-06-29 03:13:02 +03:00 |
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Aliaksandr Valialkin
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796b010139
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app/vmselect: add candlestick(m[d]) func for returning open, close, low and high rollups on the given time range d
This function is frequently used in financial apps. See https://en.wikipedia.org/wiki/Candlestick_chart
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2019-06-27 18:46:13 +03:00 |
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Aliaksandr Valialkin
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90e72c2a42
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app/vmselect/promql: add sum2 and sum2_over_time, geomean and geomean_over_time funcs.
These functions may be useful for statistic calculations.
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2019-06-24 16:44:44 +03:00 |
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Aliaksandr Valialkin
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9e1119dab8
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app/vmselect/promql: ajdust data model to the model used in Prometheus
Do not take into account data points on the range `[timestamp .. timestamp+step)`
when calculating value on the given `timestamp`.
Use only data points from the past when performing these calculations like Prometheus does.
This should reduce discrepancies between results returned by VictoriaMetrics
and results returned by Prometheus.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/72
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/71
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2019-06-21 21:54:48 +03:00 |
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Aliaksandr Valialkin
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47a3228108
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app/vmselect/promql: do not strip __name__ form time series after binary comparison operation
Example:
foo > 10
Would leave `foo` name for all the matching time series on the left.
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2019-06-21 13:09:38 +03:00 |
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Aliaksandr Valialkin
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a8db528930
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app/vmselect/promql: merge non-overlapping duplicate time series in group_left and group_right joins
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2019-06-12 20:32:32 +03:00 |
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Aliaksandr Valialkin
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d15d0127fe
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app/vmselect/promql: add alias(q, name) function that sets the given name to all the time series in q
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2019-05-24 02:41:45 +03:00 |
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Aliaksandr Valialkin
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fb140eda33
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app/vmselect/promql: add label_transform(q, label, regexp, replacement) function for replacing all the occurences of regexp with replacement in the given label for q
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2019-05-23 16:26:19 +03:00 |
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Aliaksandr Valialkin
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1836c415e6
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all: open-sourcing single-node version
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2019-05-23 00:18:06 +03:00 |
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