github-mirrors/VictoriaMetrics

mirror of https://github.com/VictoriaMetrics/VictoriaMetrics.git synced 2024-12-01 14:47:38 +00:00

Author	SHA1	Message	Date
Alexander Marshalov	aaef0bac00	fix interpolate function for filling only intermediate gaps (#3816 ) (#3857 ) * fix interpolate function for filling only intermediate gaps (#3816) * Update docs/CHANGELOG.md --------- Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2023-02-22 18:38:43 -08:00
Aliaksandr Valialkin	2cea923ff7	app/vmselect/promql: add `share(q)` aggregate function for normalizing results across multiple time series in [0..1] value range per each timestamp and aggregation group	2023-02-18 22:42:01 -08:00
Aliaksandr Valialkin	c86f1f1d1b	app/vmselect/promql: add range_zscore(q) and range_trim_zscore(z, q) functions These functions may be useful for dropping outliers at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3759	2023-02-18 22:41:59 -08:00
Aliaksandr Valialkin	406822a16c	app/vmselect/promql: add range_mad(q) and range_trim_outliers(k, q) functions These functions may help trimming outliers during query time for the use case described at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3759	2023-02-18 15:19:10 -08:00
Aliaksandr Valialkin	b11bdc46be	app/vmselect/promql: add `mad_over_time(m[d])` function See https://github.com/prometheus/prometheus/issues/5514	2023-02-11 01:06:20 -08:00
Aliaksandr Valialkin	0c625185cb	app/vmselect/promql: updates tests for https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3664	2023-01-17 23:25:45 -08:00
Aliaksandr Valialkin	04dff34de4	vendor: update github.com/VictoriaMetrics/metricsql from v0.50.0 to v0.51.0 Updates https://github.com/VictoriaMetrics/metricsql/pull/7 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3589	2023-01-05 01:50:10 -08:00
Aliaksandr Valialkin	f1441a598f	app/vmselect/promql: add tests for `d3de110070`	2022-12-21 20:25:21 -08:00
Aliaksandr Valialkin	9fa3f1dc57	app/vmselect/promql: do not extend too short lookbehind window for rate() function if it is set explicitly Previously too short lookbehind window d for rate(m[d]) could be automatically extended if it didn't cover at least two raw samples. This was needed in order to guarantee non-empty results from rate(m[d]) on short time ranges. Now the lookbehind window isn't extended if it is set explicitly, since it is expected that the user knows what he is doing. The lookbehind window continues to be extended when needed if it isn't set explicitly. For example, in the case of rate(m). Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3483	2022-12-20 00:18:20 -08:00
Aliaksandr Valialkin	e272a0ec78	app/vmselect/promql: allow passing `inf` arg into functions, which accept numeric limit on the number of output time series Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3461	2022-12-10 22:47:47 -08:00
Aliaksandr Valialkin	5eae9a9914	app/vmselect/promql: add range_trim_spikes(phi, q) function for trimming phi percent of largest spikes per each time series returned by q	2022-12-05 21:55:01 -08:00
Aliaksandr Valialkin	d9c3a2b605	app/vmselect/promql: add `range_normalize(q1, ..., qN)` function for normalizing query results into [0..1] value range This may be useful for analyzing correlation between time series with different value ranges	2022-11-21 23:25:00 +02:00
Aliaksandr Valialkin	2c9e403d5f	app/vmselect/promql: properly return an empty result from limit_offset() if offset exceeds the number of inner time series Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3312	2022-11-21 16:47:37 +02:00
Aliaksandr Valialkin	a260e2659e	app/vmselect/promql: add `range_stdvar()` and `range_stddev()` functions for calculating variance and deviation over time series on the selected time range	2022-11-17 01:03:40 +02:00
Aliaksandr Valialkin	c1a3192d8b	app/vmselect/promql: add `range_linear_regression(q)` function for calculating simple linear regression for the selected time series on the selected time range	2022-11-17 00:38:48 +02:00
Aliaksandr Valialkin	e6fd33044f	app/vmselect/promql: follow-up for `930f1ee153` Document the change at docs/CHANGELOG.md Apply it to histogram_quantile() in the same way as to histogram_share() Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3225	2022-10-13 12:03:08 +03:00
Aliaksandr Valialkin	40e899fd67	app/vmselect/promql: properly calculate `quantiles_over_time()` over a single raw sample	2022-10-06 22:37:21 +03:00
Aliaksandr Valialkin	b70f815dc4	app/vmselect/promql: remove empty series before applying aggregate function Previously empty series (e.g. series with all NaN samples) were passed to aggregate functions. Such series must be ingored by all the aggregate functions. So it is better from consistency PoV filtering out empty series before applying aggregate functions.	2022-09-30 08:39:54 +03:00
Roman Khavronenko	b64b9b9fec	app/vmselect: ignore empty series for `limit_offset` (#3178 ) * app/vmselect: ignore empty series for `limit_offset` VictoriaMetrics doesn't return empty series (with all NaN values) to the user. But such series are filtered after transform functions. It means `limit_offset` will account for empty series as well. For example, let's consider following data set: ``` time series: foo{label="1"} NaN, NaN, NaN, NaN // empty series foo{label="2"} 1, 2, 3, 4 foo{label="3"} 4, 3, 2, 1 ``` When user requests all series for metric `foo` the empty series will be filtered out: ``` /query=foo: foo{label="v2"} 1, 2, 3, 4 foo{label="v3"} 4, 3, 2, 1 ``` But `limit_offset(1, 1, foo)` is applied to original series, not filtered yet. So it will return `foo{label="v2"}` (skips the first in list) ``` /query=limit_offset(1, 1, foo): foo{label="v2"} 1, 2, 3, 4 ``` Expected result would be to apply `limit_offset` to already filtered list, so in result we receive `foo{label="v3"}`: ``` /query=limit_offset(1, 1, foo): foo{label="v3"} 4, 3, 2, 1 ``` The change does exactly that - filters empty series before applying `limit_offset`. Signed-off-by: hagen1778 <roman@victoriametrics.com> * app/vmselect: ignore empty series for `limit_offset` Signed-off-by: hagen1778 <roman@victoriametrics.com> Signed-off-by: hagen1778 <roman@victoriametrics.com>	2022-09-30 08:20:34 +03:00
Dmytro Kozlov	b75f1854c5	vmselect/promql: add alphanumeric sort by label (sort_by_label_numeric) (#2982 ) * vmselect/promql: add alphanumeric sort by label (sort_by_label_numeric) * vmselect/promql: fix tests, add documentation * vmselect/promql: update test * vmselect/promql: update for alphanumeric sorting, fix tests * vmselect/promql: remove comments * vmselect/promql: cleanup * vmselect/promql: avoid memory allocations, update functions descriptions * vmselect/promql: make linter happy (remove ineffectual assigment) * vmselect/promql: add test case, fix behavior when strings are equal * vendor: update github.com/VictoriaMetrics/metricsql from v0.44.1 to v0.45.0 this adds support for sort_by_label_numeric and sort_by_label_numeric_desc functions * wip * lib/promscrape: read response body into memory in stream parsing mode before parsing it This reduces scrape duration for targets returning big responses. The response body was already read into memory in stream parsing mode before this change, so this commit shouldn't increase memory usage. * wip Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2022-09-14 17:41:09 +03:00
Aliaksandr Valialkin	ad11b8d83d	app/vmselect/promql: follow-up after `2d71b4859c` - Use getScalar() function for obtaining the expected scalar from phi arg - Reduce the error message returned to the user when incorrect phi is passed to histogram_quantiles - Improve the description of this bugfix in the docs/CHANGELOG.md Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3026	2022-08-27 01:35:49 +03:00
Dmytro Kozlov	2d71b4859c	vmselect/promql: fix panic in histogram_quantiles function (#3029 ) * vmselect/promql: fix panic in histogram_quantiles function * Update docs/MetricsQL.md Co-authored-by: Roman Khavronenko <roman@victoriametrics.com> Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com> Co-authored-by: Roman Khavronenko <roman@victoriametrics.com>	2022-08-27 01:33:56 +03:00
Dmytro Kozlov	463ea6897b	vmselect/promql: enable search.maxPointsSubqueryPerTimeseries for sub-queries (#2963 ) * vmselect/promql: enable search.maxPointsPerTimeSeriesSubquery for sub-queries * vmselect/promql: cleanup * vmselect/promql: rename config flag * vmselect/promql: add tests * vmselect/promql: use test object instead of log * vmselect/promql: fix posible panic is subquery has more points. add description * vmselect/promql: update tests descriptions * vmselect/promql: update doInternal validation * vmselect/promql: fix linter * vmselect/promql: fix linter * vmselect/promql: update documentation and release notes * wip - Properly apply -search.maxPointsSubqueryPerTimeseries limit to subqueries. Previously the -search.maxPointsPerTimeseries limit was unexpectedly applied to subqueries if it was smaller than the -search.maxPointsSubqueryPerTimeseries . - Clarify docs for -search.maxPointsSubqueryPerTimeseries command-line flag . - Document -search.maxPointsPerTimeseries and -search.maxPointsSubqueryPerTimeseries flags at https://docs.victoriametrics.com/#resource-usage-limits . - Update docs/CHANGELOG.md . Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2922 Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2022-08-24 15:25:18 +03:00
Dmytro Kozlov	a927814e7b	vmselect/promql: add tests for vmrangeBucketsToLE (#2907 ) * vmselect/promql: add tests for vmrangeBucketsToLE * vmselect/promql: cleanup * vmselect/promql: cleanup * vmselect/promql: fix panic tests want result * vmselect/promql: cleanup * vmselect/promql: update test name * vmselect/promql: fix linter error * vmselect/promql: refactor testcases * vmselect/promql: cleanup * vmselect/promql: remove unused reassign to workers, fix typo * wip * wip * wip Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2022-07-26 20:42:41 +03:00
Aliaksandr Valialkin	b5da47bfaf	app/vmselect/promql: properly return `q1` series from `q1 ifnot q2` when `q2` returns nothing	2022-07-18 14:24:54 +03:00
Roman Khavronenko	e1a41cfab5	metricsql: properly evaluate `timezone_offset` over time interval (#2842 ) * metricsql: properly evaluate `timezone_offset` over time interval https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2771 Signed-off-by: hagen1778 <roman@victoriametrics.com> * Update docs/CHANGELOG.md Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>	2022-07-08 14:03:56 +03:00
Aliaksandr Valialkin	f3ece83e67	app/vmselect/promql: properly calculate histogram_quantile over unexpected `le` buckets See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2819	2022-07-05 13:19:24 +03:00
Aliaksandr Valialkin	84e373e5c7	app/vmselect/promql: properly handle partial counter resets in rate(), irate(), increase() and remove_resets() functions	2022-06-30 22:39:38 +03:00
Aliaksandr Valialkin	41958ed5dd	all: add initial support for query tracing See https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#query-tracing Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1403	2022-06-01 02:29:23 +03:00
Aliaksandr Valialkin	a7f18f8cb2	app/vmselect/promql: do not return values from `label_value()` if the original time series has no values at the selected timestamps	2022-05-09 17:57:39 +03:00
Aliaksandr Valialkin	cce1b6d7f9	app/vmselect/promql: add `tlast_change_over_time(m[d])` function, which returns the timestamp for the last change of `m` on the given lookbehind window `d`	2022-04-27 10:59:03 +03:00
Aliaksandr Valialkin	25fe83577d	app/vmselect/promql: properly handle `scalar default vector`, `scalar if vector` and `scalar ifnot vector` queries Previously `vector` time series could be unexpectedly returned from such queries	2022-04-21 15:34:36 +03:00
Aliaksandr Valialkin	d1a9fac894	app/vmselect/promql: fix comparison to nan The comparison to nan has been broken in `d335cc886c` Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/150	2022-04-21 14:55:37 +03:00
Aliaksandr Valialkin	de892239a9	app/vmselect/promql: add `drop_common_labels()` function	2022-04-21 14:20:20 +03:00
Aliaksandr Valialkin	d335cc886c	app/vmselect/promql: fix `duplicate time series` error on joins against time series filtered by values This should prevent from `duplicate time series` errors when executing the following query: kube_pod_container_resource_requests{resource="cpu"} * on (namespace,pod) group_left() (kube_pod_status_phase{phase=~"Pending\|Running"}==1) where `kube_pod_status_phase{phase=~"Pending\|Running"}==1` filters out diplicate time series	2022-04-20 22:18:44 +03:00
Aliaksandr Valialkin	6e364e19ef	app/vmselect: add fine-grained limits for the number of returned/scanned time series for various APIs	2022-03-26 11:29:49 +02:00
Aliaksandr Valialkin	b1f94f7f0e	app/vmselect/promql: return at most one time series from `absent_over_time()` in the same way as Prometheus does See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2130	2022-02-12 15:45:09 +02:00
Aliaksandr Valialkin	dc7b63a793	app/vmselect/promql: properly keep metric names when optimized path is used for aggregate function calculations For example, `sum(rate(...) keep_metric_names) by (__name__)` didn't leave the original metric name because of this issue. This is a follup-up for `1bdc71d917` Udates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949	2022-01-17 15:30:30 +02:00
Aliaksandr Valialkin	1bdc71d917	app/vmselect/promql: implement `keep_metric_names` modifier for transform and rollup functions Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949	2022-01-14 04:14:59 +02:00
Aliaksandr Valialkin	c883c15878	app/vmselect/promql: add support for `@` modifier Add support for `@` modifier in MetricsQL according to https://prometheus.io/docs/prometheus/latest/querying/basics/#modifier Extend the support with the following features: * Allow using `@` modifier everywhere in the query. For example, `sum(foo) @ end()` * Allow using arbitrary expression as `@` modifier. For example, `foo @ (end() - 1h)` returns `foo` value at `end - 1 hour` timestamp on the selected time range `[start ... end]` Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1348	2022-01-13 22:12:06 +02:00
Aliaksandr Valialkin	9469696e46	app/vmselect/promql: fix limit_offset() test The test has been broken in `addae7fc6a`	2022-01-13 16:59:28 +02:00
Aliaksandr Valialkin	974d9c0eee	app/vmselect/promql: follow-up after `177e345d8a` * Document changes_prometheus(), increase_prometheus() and delta_prometheus() functions. * Simplify their implementation * Mention these functions in docs/CHANGELOG.md	2021-12-20 13:19:44 +02:00
Aliaksandr Valialkin	5efe377a26	app/vmselect/promql: add `timestamp_with_name(m[d])` function This function works the same as `timestamp()`, but doesn't remove source time series names. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949#issuecomment-995222388	2021-12-15 23:37:07 +02:00
Aliaksandr Valialkin	d1f8915ed1	app/vmselect/promql: preserve the order of time series passed to `limit_offset()` function Previously time series passed to `limit_offset()` were shuffled according to hash for their labels. This was unexpected behaviour for most users. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1920 and https://github.com/VictoriaMetrics/VictoriaMetrics/issues/951	2021-12-12 18:04:58 +02:00
Aliaksandr Valialkin	9bee043ff2	app/vmselect/promql: consistently return zero from `deriv(const)`	2021-11-17 18:02:05 +02:00
Aliaksandr Valialkin	b900560b83	app/vmselect/promql: add `now()` function, which returns the current timestamp as a floating-point value in seconds	2021-11-17 16:35:30 +02:00
Aliaksandr Valialkin	3419ac1d36	app/vmselect/promql: add `duration_over_time(m[d], max_interval)` function This function calculates the actual lifetime of the time series on the given lookbehdind window `d` Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1780	2021-11-08 13:14:09 +02:00
Aliaksandr Valialkin	27044b84d2	app/vmselect/promql: add `limit_offset(limit, offset, q)` function, which can be used for paging over big number of time series Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1778	2021-11-03 16:02:27 +02:00
Aliaksandr Valialkin	43a58bd618	app/vmselect/promql: add `label_graphite_group()` function for extracting groups from Graphite metric names	2021-11-03 13:19:08 +02:00
Aliaksandr Valialkin	a5001b9c20	app/vmselect/promql: add `atan2` binary operator, which is going to be added in Prometheus 2.31 See https://github.com/prometheus/prometheus/pull/9248	2021-10-11 21:15:53 +03:00

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