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Author SHA1 Message Date
Andrii Chubatiuk
23c7193ca4
docs: added information about difference between default_rollup and last_over_time (#6282) 
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6279
(cherry picked from commit ce3cfd720e)
 2024-05-17 14:57:04 +02:00
Hui Wang
7fdea4b31c
app/vmselect: implement cmd-line flags -search.disableImplicitConversions and -search.logImplicitConversions (#6180) 
address https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4338
support disable or log [implicit
conversions](https://docs.victoriametrics.com/metricsql/#implicit-query-conversions)
for subquery with cmd-line flags `-search.disableImplicitConversion` and
`-search.logImplicitConversion`

Signed-off-by: hagen1778 <roman@victoriametrics.com>
Co-authored-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit dd0d2c77c8)
 2024-04-25 13:08:05 +02:00
Aliaksandr Valialkin
ff122798b1
docs/MetricsQL.md: add links to raw samples chapter at https://docs.victoriametrics.com/keyconcepts/ 2024-04-21 00:22:03 +02:00
Aliaksandr Valialkin
fba3c10ed1
app/vmselect/promql: add support for matching against multiple numeric constants via q == (c1,...,cN) and q != (c1,...,cN) syntax 2024-04-19 17:57:09 +02:00
Aliaksandr Valialkin
baf5c8d6d0
all: replace old https://docs.victoriametrics.com/keyConcepts.html url with the new one - https://docs.victoriametrics.com/keyconcepts/ 2024-04-18 02:34:09 +02:00
Aliaksandr Valialkin
0211a04a52
all: replace the outdated url https://docs.victoriametrics.com/vmagent.html with the new one - https://docs.victoriametrics.com/vmagent/ 2024-04-18 01:32:57 +02:00
Aliaksandr Valialkin
93b389eb70
docs/MetricsQL.md: typo fix: outlier_iqr_over_time(memory_usage_bytes[1h]) triggers when memory_usage_bytes goes outside the usual value range for the last hour, not the last 24 hours 
This is a follow-up for ea81f6fc36
 2024-04-02 23:48:58 +03:00
Artem Navoiev
19a11c12d1
fix typo in kyiv city name 
Signed-off-by: Artem Navoiev <tenmozes@gmail.com>
(cherry picked from commit b569fa0b2c)
 2024-03-25 15:42:53 +01:00
Aliaksandr Valialkin
843f3ec94e
docs/MetricsQL.md: improve text formatting for better readability 2024-02-23 01:05:49 +02:00
Aliaksandr Valialkin
477fdc21aa
app/vmselect/promql: add count_values_over_time() MetricsQL function 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5847
 2024-02-23 01:05:31 +02:00
Aliaksandr Valialkin
c1a3876e95
docs/MetricsQL.md: properly document how MetricsQL selects the lookbehind window 
- rate(m) isn't equivalent to rate(m[1i]) when step is smaller than the interval between samples.
- default_rollup(m) isn't equivalent to default_rollup(m[1i]) when step is smaller than the interval between samples.

These changes have been made in v1.85.3 as a part of https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3483 .
See the corresponding commit - 9fa3f1dc57 .

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5816
 2024-02-18 13:48:45 +02:00
Aliaksandr Valialkin
5f2905d120
app/vmselect: add sum_eq_over_time, sum_gt_over_time and sum_le_over_time functions to MetricsQL 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4641
 2024-02-13 23:40:30 +02:00
Aliaksandr Valialkin
8ea4b8a3b4
docs: remove misleading either from the description of or label filters 2024-02-12 20:12:27 +02:00
Dan Dascalescu
d2c38e2588
docs: t...over_time functions return fractional seconds (#5715) 
* docs: t...over_time functions return fractional seconds

* Apply suggestions from code review

---------

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2024-01-30 22:20:16 +02:00
luckyxiaoqiang
8ce82c5400
app/vmselect/promql: add day_of_year() function (#5368) 
Co-authored-by: dingxiaoqiang <dingxiaoqiang@bytedance.com>
Co-authored-by: Roman Khavronenko <roman@victoriametrics.com>
(cherry picked from commit d7897e0d70)
 2023-11-28 12:49:48 +01:00
luckyxiaoqiang
3419c14b35
docs/metricsql: remove duplicate sentence (#5349) 2023-11-17 15:41:21 +01:00
Aliaksandr Valialkin
744f8c3fe7
app/vmselect/promql: add outliers_iqr(q) and outlier_iqr_over_time(m[d]) functions 
These functions allow detecting anomalies in series and samples using Interquartile range method.
See Outliers section at https://en.wikipedia.org/wiki/Interquartile_range for more details.
 2023-10-31 22:14:14 +01:00
hagen1778
eb00a575c2
docs: mention key concepts as querying example 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5169

Signed-off-by: hagen1778 <roman@victoriametrics.com>
 2023-10-18 20:12:06 +02:00
Aliaksandr Valialkin
627a4e9330
app/vmselect/promql: add labels_equal(q, "label1", "label2", ...) function 
This function returns q series, which have identical values for the listed labels
"label1", "label2", ...

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5148
 2023-10-16 21:51:13 +02:00
Aliaksandr Valialkin
cdf62fb06b
docs/MetricsQL.md: typo fix after bdb743c88d 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5071
 2023-10-16 21:09:50 +02:00
Aliaksandr Valialkin
b2f9b9d634
app/vmselect/promql: add drop_empty_series() function for dropping empty series before performing additional calculations 
This can be useful in the following queries:

   drop_empty_series(temperature <= 30) default 40

This query drops temperature series with all the values bigger than 30 on the selected time range,
while replacing gaps in the remaining series with 40.

The query without drop_empty_series:

  (temperature <= 30) default 40

would leave all the temperature series with all the values bigger than 30 on the selected time range,
and replace all their values with 40. This is not what could be epxected in some cases
like here - https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5071
 2023-10-16 20:59:21 +02:00
Haleygo
130e0ea5f0
vmalert-tool: implement unittest (#4789) 
1. split package rule under /app/vmalert, expose needed objects
2. add vmalert-tool with unittest subcmd

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2945
 2023-10-16 14:12:06 +02:00
Aliaksandr Valialkin
1ca3b660f0
app/vmselect/promql: add support for _ delimiters in numeric values 
For example, 1_234_567_890 is equivalent to 1234567890,
while 1.234_567_890 is equivalent to 1.234567890
 2023-08-30 14:35:58 +02:00
Damon07
4c509c0b89
{app/vmselect,docs}: support share_eq_over_time#4441 (#4725) 
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4441

Co-authored-by: wangm <wangmm@tuya.com>
 2023-07-31 07:51:09 -07:00
yrka
7750c5a553
Update MetricsQL.md (#4689) 
misspell
 2023-07-22 14:19:30 -07:00
Aliaksandr Valialkin
5ace0701d3
app/vmselect/promql: add the ability to copy all the labels from one side of group_left()/group_right() operation 
This is performed by specifying `*` inside group_left()/group_right().
Also allow specifying prefix for the copied labels via `group_left(...) prefix "..."` and `group_right(...) prefix "..."` syntax.
For example, the following query adds all the namespace-related labels to pod info, and prefixes all the copied label names with "ns_" prefix:

  kube_pod_info * on(namespace) group_left(*) prefix "ns_" kube_namespace_labels

This resolves the following StackOverflow questions:

- https://stackoverflow.com/questions/76661818/how-to-add-namespace-labels-to-pod-labels-in-prometheus
- https://stackoverflow.com/questions/76653997/how-can-i-make-a-new-copy-of-kube-namespace-labels-metric-with-a-different-name
 2023-07-17 16:58:30 -07:00
Aliaksandr Valialkin
cc54fa2a56
app/vmselect/promql: recommend to use (a op b) keep_metric_names instead of a op b keep_metric_names 
The `a op b keep_metric_names` is ambigouos to `a op (b keep_metric_names)` when `b` is a transform or rollup function.
For example, `a + rate(b) keep_metric_names`. So it is better to use more clear syntax: `(a op b) keep_metric_names`

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3710
 2023-07-16 23:47:15 -07:00
Zakhar Bessarab
781947a7e2
metricsql: add support of using keep_metric_names for binary operations (#4109) 
* metricsql: add support of using keep_metric_names for binary operations

This should help to avoid confusion with queries like one in the issue #3710.

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

* wip

---------

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2023-07-16 03:01:27 -07:00
Aliaksandr Valialkin
a7fdc3fcc7
all: add support for or filters in series selectors 
This commit adds ability to select series matching distinct filters via a single series selector.
For example, the following selector selects series with either {env="prod",job="a"}
or {env="dev",job="b"} labels:

  {env="prod",job="a" or env="dev",job="b"}

The `or` filter is supported in all the VictoriaMetrics tools now.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3997
Uses https://github.com/VictoriaMetrics/metricsql/pull/14
 2023-07-15 23:56:18 -07:00
hagen1778
b43d27275d
docs/metricsql: fix typo in expression 
Signed-off-by: hagen1778 <roman@victoriametrics.com>
 2023-07-06 21:28:01 -07:00
Alexander Marshalov
d321ea91f2
fixed typos in documentation and commandline flags descriptions (#4275) 2023-05-10 02:22:06 -07:00
Artem Navoiev
283a75afba
prepare static docs to migration 
Signed-off-by: Artem Navoiev <tenmozes@gmail.com>
 2023-05-08 21:54:20 -07:00
Aliaksandr Valialkin
229b39ac7d
docs/MetricsQL.md: quote min, max and avg args for rollup_*() functions in order to reduce the level of confusion when users try to pass the second argument to these functions 2023-03-26 00:02:01 -07:00
Roman Khavronenko
79eb33556e
metricsql: support optional 2nd argument for rollup functions (#3841) 
* metricsql: support optional 2nd argument for rollup functions

Support optional 2nd argument `min`, `max` or `avg` for rollup functions:
 * rollup
 * rollup_delta
 * rollup_deriv
 * rollup_increase
 * rollup_rate
 * rollup_scrape_interval

 If second argument is passed, then rollup function will return only the selected aggregation type.
 This change can be useful for situations where only one type of rollup calculation is needed.
 For example, `rollup_rate(requests_total[5m], "max")`.

Signed-off-by: hagen1778 <roman@victoriametrics.com>

* wip

---------

Signed-off-by: hagen1778 <roman@victoriametrics.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
 2023-02-24 13:48:30 -08:00
Aliaksandr Valialkin
a15da5ff73
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 22:43:54 -08:00
Aliaksandr Valialkin
84b5532bc1
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 22:43:53 -08:00
Aliaksandr Valialkin
450b6f6d39
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 15:18:47 -08:00
Aliaksandr Valialkin
db7f237da9
app/vmselect/promql: add mad_over_time(m[d]) function 
See https://github.com/prometheus/prometheus/issues/5514
 2023-02-11 01:06:39 -08:00
Aliaksandr Valialkin
6910dd2a98
docs/MetricsQL.md: add links to "rollup results" explanation 2023-02-03 11:10:49 -08:00
Aliaksandr Valialkin
78114e85d6
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 01:50:26 -08:00
Aliaksandr Valialkin
6d13ca2b88
app/vmselect: add /select/0/prometheus/expand-with-exprs page 2022-12-14 16:23:17 -08:00
Aliaksandr Valialkin
c902500efc
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 21:55:24 -08:00
Aliaksandr Valialkin
6b2c85d6bf
docs/MetricsQL.md: document that histogram_share() accepts optional boundsLabel arg 2022-11-24 17:27:43 -08:00
Aliaksandr Valialkin
ad548abd6a
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 23:25:35 +02:00
Aliaksandr Valialkin
9cb76c9cd3
app/vmselect/promql: allow using SI and IEC suffixes in numeric values inside queries 
For example, 10Ki is equivalent to 10*1024, while 5.3M is equivalent to 5.3*1000*1000
 2022-11-21 21:28:34 +02:00
Aliaksandr Valialkin
0cc59b9f95
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 01:03:02 +02:00
Aliaksandr Valialkin
facf7efa3a
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 00:39:17 +02:00
Aliaksandr Valialkin
704794f164
docs/MetricsQL.md: document that input histograms must have the same set of buckets when calculating the quantile over them 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3231
 2022-10-14 14:00:26 +03:00
Aliaksandr Valialkin
b631b2bd64
docs/MetricsQL.md: formatting improvements 
Also put a link to the function type in docs for every function.
This should simplify understanding of MetricsQL functions for novice users.
 2022-10-07 00:54:41 +03:00
Roman Khavronenko
b8c4c36b89
docs: clarify numeric label values for label_value (#3129) 
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3114
Signed-off-by: hagen1778 <roman@victoriametrics.com>

Signed-off-by: hagen1778 <roman@victoriametrics.com>
 2022-09-26 16:49:45 +03:00