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Author SHA1 Message Date
suntala 77d111e501 Fix links to feature flags page 
Signed-off-by: suntala <arati.rana@grafana.com>
 2024-08-02 14:25:22 +02:00
Bryan Boreham cc7dcf5afe [DOCS] Querying basics: explain range and instant queries 
I often see people ask questions that indicate they don't understand
this point, and launching into "instant vector" and "range vector" is
likely to point them in the wrong direction.

Remove the admonishment that the reader mustn't confuse these things.
Remove mention of "inferred sample timestamps" that is never explained.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-07-22 16:31:06 +01:00
Bryan Boreham d116bf7b9f
Merge pull request #14109 from harry671003/pass_limit_to_querier 
storage: pass limit param as hint in querier
 2024-07-12 10:27:52 +01:00
咸鱼暄 bab098a4c1 change all lists to bullets 
Signed-off-by: 咸鱼暄 <30610597+smd1121@users.noreply.github.com>
 2024-07-11 17:05:23 +02:00
咸鱼暄 ad03ede602 fix markdown list 
Signed-off-by: 咸鱼暄 <30610597+smd1121@users.noreply.github.com>
 2024-07-11 17:05:23 +02:00
beorn7 706e19912b adjust version number in documentation 
Signed-off-by: beorn7 <beorn@grafana.com>
 2024-07-10 16:59:33 +02:00
darshanime 1a1b09fc3d Add a note about the new syntax 
Signed-off-by: darshanime <deathbullet@gmail.com>
 2024-07-10 15:50:23 +02:00
Saswata Mukherjee 398f42de5f
Add label-matcher support to Rules API (#10194) 
* Add label-matcher support to Rules API

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* Implement suggestions

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* Match any matcherSet instead of all

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* Don't treat labels.Labels as slice

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* Remove non-templated check and fix tests

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* Update docs

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* fix comments

Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* fix comment

Signed-off-by: Yijie Qin <qinyijie@amazon.com>

* Add comment for matching logic, fix tests after rebase

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>

---------

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Signed-off-by: Yijie Qin <qinyijie@amazon.com>
Co-authored-by: Yijie Qin <qinyijie@amazon.com>
 2024-07-10 13:18:29 +01:00
Julius Volz 0f0b3d82e1 Document info-level annotations in query response 
Fixes https://github.com/prometheus/prometheus/issues/14135

Signed-off-by: Julius Volz <julius.volz@gmail.com>
 2024-07-06 23:51:00 +02:00
JuanJo Ciarlante c94c5b64c3
feat: add limitk() and limit_ratio() operators (#12503) 
* rebase 2024-07-01, picks previous renaming to `limitk()` and `limit_ratio()`

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* gofumpt -d -extra

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* more lint fixes

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* more lint fixes+

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* put limitk() and limit_ratio() behind --enable-feature=promql-experimental-functions

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* EnableExperimentalFunctions for TestConcurrentRangeQueries() also

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* use testutil.RequireEqual to fix tests, WIP equivalent thingie for require.Contains

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* lint fix

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* moar linting

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* rebase 2024-06-19

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* re-add limit(2, metric) testing for N=2 common series subset

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* move `ratio = param` to default switch case, for better readability

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* gofumpt -d -extra util/testutil/cmp.go

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* early break when reaching k elems in limitk(), should have always been so (!)

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* small typo fix

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* no-change small break-loop rearrange for readability

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* remove IsNan(ratio) condition in switch-case, already handled as input validation

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* no-change adding some comments

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* no-change simplify fullMatrix() helper functions used for tests

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* add `limitk(-1, metric)` testcase, which is handled as any k < 1 case

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* engine_test.go: no-change create `requireCommonSeries() helper func (moving code into it) for readability

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* rebase 2024-06-21

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* engine_test.go: HAPPY NOW about its code -> reorg, create and use simpleRangeQuery() function, less lines and more readable ftW \o/

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* move limitk(), limit_ratio() testing to promql/promqltest/testdata/limit.test

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* remove stale leftover after moving tests from engine_test.go to testdata/

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* fix flaky `limit_ratio(0.5, ...)` test case

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* Update promql/engine.go

Co-authored-by: Julius Volz <julius.volz@gmail.com>
Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* Update promql/engine.go

Co-authored-by: Julius Volz <julius.volz@gmail.com>
Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* Update promql/engine.go

Co-authored-by: Julius Volz <julius.volz@gmail.com>
Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* fix AddRatioSample() implementation to use a single conditional (instead of switch/case + fallback return)

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* docs/querying/operators.md: document r < 0

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* add negative limit_ratio() example to docs/querying/examples.md

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* move more extensive docu examples to docs/querying/operators.md

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* typo

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* small docu fix for poor-mans-normality-check, add it to limit.test ;)

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* limit.test: expand "Poor man's normality check" to whole eval range

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* restore mistakenly removed existing small comment

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* expand poors-man-normality-check case(s)

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* Revert "expand poors-man-normality-check case(s)"

This reverts commit f69e1603b2ebe69c0a100197cfbcf6f81644b564, indeed too
flaky 0:)

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* remove humor from docs/querying/operators.md

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* fix signoff

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* add web/ui missing changes

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* expand limit_ratio test cases, cross-fingering they'll not be flaky

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* remove flaky test

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* add missing warnings.Merge(ws) in instant-query return shortcut

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* add missing LimitK||LimitRatio case to codemirror-promql/src/parser/parser.ts

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* fix ui-lint

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

* actually fix returned warnings :]

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>

---------

Signed-off-by: JuanJo Ciarlante <juanjosec@gmail.com>
Co-authored-by: Julius Volz <julius.volz@gmail.com>
 2024-07-03 22:18:57 +02:00
Rick Rackow 9290d1308d
fix(docs/querying): explain ceil behaviour more explicitly with examples (#11987) 
* fix(docs/querying): explain `ceil` behaviour more explicitly with examples

Signed-off-by: Rick Rackow <rick.rackow@gmail.com>

* fix(docs/querying): explain `floor` behaviour more explicitly with examples

Signed-off-by: Rick Rackow <rick.rackow@paymenttools.com>

---------

Signed-off-by: Rick Rackow <rick.rackow@gmail.com>
Signed-off-by: Rick Rackow <rick.rackow@paymenttools.com>
Co-authored-by: Rick Rackow <rick.rackow@paymenttools.com>
 2024-06-28 22:18:04 +02:00
🌲 Harry 🌊 John 🏔 d5f6887294 Pass limit param as hint to storage.Querier 
Signed-off-by: 🌲 Harry 🌊 John 🏔 <johrry@amazon.com>
 2024-06-20 09:47:38 -07:00
Charles Korn 76b1237215
Document sorting behaviour 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-05-17 13:54:08 +10:00
Kushal shukla d2caf51874
removed formateoverview section (#13994) 
docs: Remove outdated information about remote-read API

---------

Signed-off-by: kushagra Shukla <kushalshukla110@gmail.com>
Signed-off-by: Kushal shukla <85934954+kushalShukla-web@users.noreply.github.com>
Signed-off-by: Arthur Silva Sens <arthur.sens@coralogix.com>
Co-authored-by: Arthur Silva Sens <arthur.sens@coralogix.com>
 2024-05-03 09:42:39 -03:00
Kartikay 8736772053
web/api: add limit param on series, labels, label-values (#13396) 
Support limit parameter in queries to restrict output data to the specified size, on the following endpoints:

/api/v1/series
/api/v1/labels
/api/v1/label/:name:/values

Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>
Signed-off-by: Kartikay <kartikay_2101ce32@iitp.ac.in>
 2024-02-29 15:31:13 +00:00
Bryan Boreham c0e36e6bb3 Standardise exemplar label as "trace_id" 
This is consistent with the OpenTelemetry standard, and an example in OpenMetrics.

https://github.com/open-telemetry/opentelemetry-specification/blob/89aa01348139/specification/metrics/data-model.md#exemplars
https://github.com/OpenObservability/OpenMetrics/blob/138654493130/specification/OpenMetrics.md#exemplars-1

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-15 14:20:08 +00:00
pschou b66b0a5288
docs: improve "Querying Prometheus" readability (#8492) 
Signed-off-by: schou <pschou@users.noreply.github.com>
Co-authored-by: George Krajcsovits <krajorama@users.noreply.github.com>
Co-authored-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-09 17:37:14 +00:00
Faustas Butkus 6feffeb92e
promql: add histogram_avg function (#13467) 
Add histogram_avg function

---------

Signed-off-by: Faustas Butkus <faustas.butkus@gmail.com>
Signed-off-by: Björn Rabenstein <github@rabenste.in>
Co-authored-by: Björn Rabenstein <github@rabenste.in>
 2024-02-01 18:28:42 +01:00
Björn Rabenstein 89523cf9b3
doc: Mark mad_over_time as experimental (#13440) 
We forgot to do that in
https://github.com/prometheus/prometheus/pull/13059

Signed-off-by: beorn7 <beorn@grafana.com>
 2024-01-23 17:05:34 +01:00
Ivan Babrou a6b35ff304
promql: use natural sort in sort_by_label and sort_by_label_desc (#13411) 
These functions are intended for humans, as robots can already sort the results
however they please. Humans like things sorted "naturally":

* https://blog.codinghorror.com/sorting-for-humans-natural-sort-order/

A similar thing has been done to Grafana, which is also used by humans:

* https://github.com/grafana/grafana/pull/78024
* https://github.com/grafana/grafana/pull/78494

Signed-off-by: Ivan Babrou <github@ivan.computer>
 2024-01-16 21:34:09 -03:00
Ted Robertson cf9e934036
Examples: link to rate for new users (#10535) 
* Examples: link to `rate` for new users

Signed-off-by: Ted Robertson 10043369+tredondo@users.noreply.github.com
Co-authored-by: Bryan Boreham <bjboreham@gmail.com>
 2024-01-16 11:13:52 +00:00
Ted Robertson 73bbeaafbf
Docs: Query Basics: link to rate (#10538) 
Co-authored-by: Julien Pivotto <roidelapluie@o11y.eu>
 2024-01-16 11:09:51 +00:00
Jeanette Tan 9bf4cc993e Add mad_over_time function 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2023-12-01 01:22:58 +08:00
beorn7 0eb0ca42c5 Update “conventional histogram” → “classic histogram” 
Signed-off-by: beorn7 <beorn@grafana.com>
 2023-11-29 15:22:58 +01:00
Julien Pivotto c1ec6ae851 sort_by_label: Switch to feature flag 
Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>
 2023-11-28 15:10:12 +01:00
Alexander Trost 5051a993ab promql: add sort_by_label and sort_by_label_desc functions 
This adds functions to sort a vector by its label value.

Based on https://github.com/prometheus/prometheus/pull/1533

Signed-off-by: Alexander Trost <galexrt@googlemail.com>
 2023-11-28 14:40:07 +01:00
zenador ccfe14d7e7
PromQL: ignore small errors for bucketQuantile (#13153) 
promql: Improve histogram_quantile calculation for classic buckets

Tiny differences between classic buckets are most likely caused by floating point precision issues. With this commit, relative changes below a certain threshold are ignored. This makes the result of histogram_quantile more meaningful, and also avoids triggering the _input to histogram_quantile needed to be fixed for monotonicity_ annotations in unactionable cases.

This commit also adds explanation of the new adjustment and of the monotonicity annotation to the documentation of `histogram_quantile`.

---------

Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2023-11-25 00:05:38 +01:00
Julien Pivotto 0c1e447d68
Exclude alerts: improve documentation (#13046) 
Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>
 2023-10-30 15:08:11 +00:00
Anand Rajagopal 2ade8adf9e Adding a query parameter to filter out active alerts 
Signed-off-by: Anand Rajagopal <anrajag@amazon.com>
 2023-10-18 02:05:26 +00:00
Julien Pivotto ac0919d48c
Update docs/querying/functions.md 
Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>
 2023-09-29 19:10:41 +02:00
lasea75 f15f0ac16a
Update functions.md 
Signed-off-by: lasea75 <lasea75@gmail.com>
 2023-09-28 12:26:46 -05:00
zenador 54aaa2bd7e
Add histogram_stdvar and histogram_stddev functions (#12614) 
* Add new function: histogram_stdvar and histogram_stddev

Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2023-08-24 21:02:14 +02:00
Salar Nosrati-Ershad fd96996b75 docs: fix: correct reference to native histograms feature flag 
Signed-off-by: Salar Nosrati-Ershad <snosratiershad@gmail.com>
 2023-08-19 17:35:20 +03:30
Bryan Boreham 1e3fef6ab0
scraping: limit detail on dropped targets, to save memory (#12647) 
It's possible (quite common on Kubernetes) to have a service discovery
return thousands of targets then drop most of them in relabel rules.
The main place this data is used is to display in the web UI, where
you don't want thousands of lines of display.

The new limit is `keep_dropped_targets`, which defaults to 0
for backwards-compatibility.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2023-08-14 15:39:25 +01:00
Julien Pivotto 4a56a6bf59
Merge pull request #12643 from gouthamve/add-otlp-docs 
Add initial OTLP ingestion docs
 2023-08-08 13:08:22 +02:00
Julien Pivotto 4c81a8f681
Merge pull request #11578 from chancefeick/fix/querying-documentation 
Fix Querying Documentation Links
 2023-08-08 09:21:31 +02:00
Goutham acb1f8a097 Fix API endpoint 
Signed-off-by: Goutham <gouthamve@gmail.com>
 2023-08-03 14:02:32 +02:00
Goutham Veeramachaneni 9df36c3e5e
Apply suggestions from code review 
Co-authored-by: Julien Pivotto <roidelapluie@o11y.eu>
Signed-off-by: Goutham Veeramachaneni <gouthamve+github@gmail.com>
 2023-08-03 13:56:54 +02:00
Goutham 6bb5720141
Add initial OTLP ingestion docs 
We still need a guide that we can link users to in https://github.com/prometheus/docs/tree/main/content/docs/guides
This guide should show sending metrics from application directly via
the OTel SDKs and also sending through the Collector.

Signed-off-by: Goutham <gouthamve@gmail.com>
 2023-08-03 00:12:15 +02:00
Julien Pivotto bb90379163
Merge pull request #11404 from gberche-orange/patch-2 
docs (label_replace): illustrate use of named capturing group
 2023-07-28 13:23:29 +02:00
Guillaume Berche f5fb37dbab
Update functions.md 
Add missing linefeed as requested by https://github.com/prometheus/prometheus/pull/11404#discussion_r1266625301

Signed-off-by: Guillaume Berche <guillaume.berche@orange.com>
 2023-07-19 08:27:15 +02:00
Guillaume Berche 60b380da70
Refine functions.md as suggested during review 
See https://github.com/prometheus/prometheus/pull/11404#issuecomment-1631165746

Signed-off-by: Guillaume Berche <guillaume.berche@orange.com>
 2023-07-12 09:08:23 +02:00
Ziqi Zhao 42d9169ba1 enhance histogram_quantile to get min/max value 
Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>
 2023-07-12 04:29:54 +08:00
Carrie Edwards f93ac97867 Update querying function docs 
Signed-off-by: Carrie Edwards <edwrdscarrie@gmail.com>
 2023-07-11 21:51:20 +08:00
Julien Pivotto fc2e4cd3b9 docs: Fix link to feature flags. 
Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>
 2023-07-11 13:17:39 +02:00
Arthur Silva Sens 1ea477f4bc
Add feature flag to squash metadata from /api/v1/metadata (#12391) 
Signed-off-by: ArthurSens <arthursens2005@gmail.com>
 2023-06-12 16:17:20 +01:00
sinkingpoint f7abe27fef Remove trailing commas from Exemplar API docs 
The trailing commas here make this example invalid JSON. Here we remove
them.

Signed-off-by: sinkingpoint <colin@quirl.co.nz>
 2023-06-09 14:08:46 +10:00
marcoderama a308ea773d
Update functions.md 
Fix small typo

Signed-off-by: marcoderama <marcoderamagit@gmail.com>
 2023-05-26 16:39:55 -07:00
Baskar Shanmugam 905a0bd63a
Added 'limit' query parameter support to /api/v1/status/tsdb endpoint (#12336) 
* Added 'topN' query parameter support to /api/v1/status/tsdb endpoint

Signed-off-by: Baskar Shanmugam <baskar.shanmugam.career@gmail.com>

* Updated query parameter for tsdb status to 'limit'

Signed-off-by: Baskar Shanmugam <baskar.shanmugam.career@gmail.com>

* Corrected Stats() parameter name from topN to limit

Signed-off-by: Baskar Shanmugam <baskar.shanmugam.career@gmail.com>

* Fixed p.Stats CI failure

Signed-off-by: Baskar Shanmugam <baskar.shanmugam.career@gmail.com>

---------

Signed-off-by: Baskar Shanmugam <baskar.shanmugam.career@gmail.com>
 2023-05-22 14:37:07 +02:00
zenador 191bf9055b
Handle more arithmetic operators for native histograms (#12262) 
Handle more arithmetic operators and aggregators for native histograms

This includes operators for multiplication (formerly known as scaling), division, and subtraction. Plus aggregations for average and the avg_over_time function.

Stdvar and stddev will (for now) ignore histograms properly (rather than counting them but adding a 0 for them).

Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2023-05-16 21:15:20 +02:00