Aliaksandr Valialkin
4d636c244d
app/vmselect/promql: binary operation fixes according to Prometheus behaviour
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The follosing issues were fixed:
- VictoriaMetrics could leave superflouos labels when using `on` or `ignoring` modifiers
- VictoriaMetrics could return `duplicate timeseries` error when using `group_left` or `group_right` with non-empty label list
2019-09-13 17:42:52 +03:00
Aliaksandr Valialkin
db4560ca31
app/vmselect/promql: reset timeseries name on group_left and group_right as Prometheus does
2019-09-03 20:42:54 +03:00
Aliaksandr Valialkin
582fdc059a
app/vmselect/promql: hande comparisons with NaN similar to Prometheus
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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/150
2019-08-18 00:25:50 +03:00
Aliaksandr Valialkin
6a943a6a58
app/vmselect/promql: remove empty time series after applying filters like q > 0
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This should reduce CPU and RAM usage for queries over high number of time series.
2019-07-12 19:59:27 +03:00
Aliaksandr Valialkin
47a3228108
app/vmselect/promql: do not strip __name__ form time series after binary comparison operation
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Example:
foo > 10
Would leave `foo` name for all the matching time series on the left.
2019-06-21 13:09:38 +03:00
Aliaksandr Valialkin
a8db528930
app/vmselect/promql: merge non-overlapping duplicate time series in group_left and group_right joins
2019-06-12 20:32:32 +03:00
Aliaksandr Valialkin
15613e5338
app/vmselect/promql: swap binary operation with modifier in the error message for improved readability
2019-06-12 17:14:39 +03:00
Aliaksandr Valialkin
3237d0309c
app/vmselect/promql: list a sample of duplicate time series in the error message for group_left or group_right
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This should improve troubleshooting for complex queries involving `group_left` and `group_right` modifiers.
2019-06-12 16:57:37 +03:00
Aliaksandr Valialkin
1836c415e6
all: open-sourcing single-node version
2019-05-23 00:18:06 +03:00
