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Author SHA1 Message Date
Jeanette Tan 4503145c8b convert classic histograms to int nhcb where possible instead 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-09-25 13:37:08 +02:00
Jeanette Tan 62e7f0438d implement basic conversion of classic to nhcb in scrape 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-09-25 13:36:56 +02:00
Ganesh Vernekar 3d54bcc018
Merge pull request #14362 from charleskorn/charleskorn/sum-infinity 2024-07-03 01:05:03 -04:00
Charles Korn fd6bdf5230
Fix issue where summation of +/- infinity returns NaN instead of infinity 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-06-28 11:26:54 +10:00
Björn Rabenstein 2e58d46522
Merge pull request #13662 from prometheus/nhcb 
Native histograms custom buckets storage
 2024-06-27 21:44:20 +02:00
Björn Rabenstein 19da579799
Merge pull request #12821 from rexagod/12769 
parser: support underscores
 2024-06-27 17:04:18 +02:00
Pranshu Srivastava 3c9e3ee552
parser: support underscores 
Support underscores in numbers, namely, decimals, hexadecimals, and
exponentials.

Fixes #12769
Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>

Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>
 2024-06-27 19:20:52 +05:30
Bryan Boreham b6aba4ff14
Merge pull request #14074 from bboreham/kahan-sum-sum 
[ENHANCEMENT] PromQL: use Kahan summation for sum()
 2024-06-24 11:13:26 +01:00
Jeanette Tan dda5f48c9e Merge branch 'main' into nhcb-review-2 2024-06-20 22:50:00 +08:00
Jeanette Tan fc9dc72028 remove eval_with_nhcb 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-20 22:49:00 +08:00
Jeanette Tan a6d788b1be update missed suggested change from code review 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-20 22:49:00 +08:00
Bryan Boreham 84602bbace
Merge branch 'main' into fix-matcher-string-with-empty-label-name 2024-06-19 05:56:25 -04:00
Charles Korn aeec30f082
Convert TestTimestampFunction_StepsMoreOftenThanSamples 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-06-17 16:56:56 +10:00
Charles Korn 987fa5c6a2
Convert range query test cases to test scripting language 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-06-17 16:43:01 +10:00
Oleg Zaytsev 03cf6141d4
Fix Matcher.String() with empty label name 
When the label name is empty, which can happen now with quoted label
name, it should be quoted when printed as a string again.

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
 2024-06-13 18:46:35 +02:00
Björn Rabenstein 08621bebe9
Merge pull request #14269 from prometheus/beorn7/histogram-test 
promql: Add tests for histogram counter reset only in bucket
 2024-06-08 16:59:47 +02:00
Jeanette Tan b8cb12b989 rename hist to histogram according to code review 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-07 20:26:41 +08:00
Jeanette Tan 4c2aa872d4 update readme for testing framework 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-07 20:21:05 +08:00
Jeanette Tan 14f8dded39 Merge branch 'main' into nhcb 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-07 19:17:14 +08:00
Jeanette Tan b0e320425c refine test rewriting regex and add validation 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-07 18:50:59 +08:00
Jeanette Tan 9adc1699c3 fix according to code review 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-06-07 18:50:59 +08:00
Charles Korn 1f988f77ff
promql: extend test scripting language to support asserting on expected error message (#14038) 
Add ability to assert that a query fails with a particular error message

This also adds documentation for the test scripting language in general,
including the new feature.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

---------

Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-06-06 17:56:25 +02:00
beorn7 c7fdfe8004 promql: Add tests for histogram counter reset only in bucket 
This also exercises the "fast path" (only decoding count and sum),
i.e. where the counter reset isn't visible at all in the decoded data.

Signed-off-by: beorn7 <beorn@grafana.com>
 2024-06-06 17:47:38 +02:00
Filip Petkovski 6e68046c25
Implement histogram statistics decoder (#14097) 
Implement histogram statistics decoder

This commit speeds up histogram_count and histogram_sum
functions on native histograms. The idea is to have separate decoders which can be
used by the engine to only read count/sum values from histogram objects. This should help
with reducing allocations when decoding histograms, as well as with speeding up aggregations
like sum since they will be done on floats and not on histogram objects.

Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com>

---------

Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com>
Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
 2024-06-06 17:17:13 +02:00
Charles Korn 24ef000025
Merge branch 'main' into sort-matrix-series 
# Conflicts:
#	promql/engine_test.go
 2024-05-31 12:44:27 +10:00
Arve Knudsen f3b8750339 Join errors 
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
 2024-05-27 17:14:17 +02:00
Arve Knudsen 7b56353090 Merge remote-tracking branch 'prometheus/main' into arve/query-logger-munmap 2024-05-27 17:08:33 +02:00
Björn Rabenstein 114dc5c393
Merge pull request #13638 from NeerajGartia21/promql-test 
Converts existing native histogram unit tests to the PromQL testing framework
 2024-05-19 19:35:36 +02:00
Arve Knudsen 0f01d4b336 Fix flaky test 
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
 2024-05-15 21:58:56 +02:00
Arve Knudsen bf8d88f326 Merge remote-tracking branch 'origin/main' into arve/query-logger-munmap 2024-05-15 21:02:03 +02:00
Oleksandr Redko f10c3454e9 Enable perfsprint linter and fix up code 
Signed-off-by: Oleksandr Redko <oleksandr.red+github@gmail.com>
 2024-05-15 17:51:05 +03:00
Björn Rabenstein e6be4240be
Merge pull request #14068 from colega/quote-label-name-in-matchers-when-needed 
Bugfix: quote label name in matchers when needed
 2024-05-14 17:18:58 +02:00
Jeanette Tan f028496133 Merge branch 'main' into nhcb 
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
 2024-05-14 16:20:15 +08:00
Neeraj Gartia 661856cb65 removes the added tests from engine_test.go 
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
 2024-05-13 22:58:25 +05:30
Neeraj Gartia 6119124d0e some nits 
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
 2024-05-13 22:55:38 +05:30
Neeraj Gartia adf5a36c1e adds test for sum, count, stddev, stdvar, quantile and fraction func to promql testing framework 
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
 2024-05-13 22:55:38 +05:30
Neeraj Gartia 8b838a05d9 adds test for native histogram rate func in promql testing framework 
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
 2024-05-13 22:55:38 +05:30
Neeraj Gartia 548bd9d6fb adds TestNativeHistogramRate func to promql test framework 
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
 2024-05-13 22:55:38 +05:30
Charles Korn 0e934dba8e
Capture timing information while sorting 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-05-13 19:47:18 +10:00
Charles Korn 036c87223c
Ensure series in matrix values returned for instant queries are always sorted 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-05-13 11:03:15 +10:00
Charles Korn a4381608a0
Add failing test case 
Signed-off-by: Charles Korn <charles.korn@grafana.com>
 2024-05-13 11:03:14 +10:00
Bryan Boreham ea82b49c33 [ENHANCEMENT] PromQL: use Kahan summation for sum() 
This can give a more precise result, by keeping a separate running
compensation value to accumulate small errors.

See https://en.wikipedia.org/wiki/Kahan_summation_algorithm

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-05-09 14:29:38 +01:00
Arve Knudsen aabe4d6e4a promql.ActiveQueryTracker: Unmap mmapped file when done 
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
 2024-05-09 14:27:29 +02:00
Bryan Boreham 3fd24d1cd7
Merge pull request #13999 from bboreham/extract-promqltest 
[Test] Extract most PromQL test code into separate packages
 2024-05-09 13:23:11 +01:00
Bryan Boreham 786e0e706c test: PromQL: stop using internal fields of engine 
* set enablePerStepStats and lookback duration via
  `NewTestEngine` parameters.
* check maxSamples by recreating query engine
* check lookback without modifying internals

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-05-08 19:58:41 +01:00
Bryan Boreham 0dbfd20b69 test: move most PromQL tests into separate test package 
So that they can import promqltest which imports promql.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-05-08 16:28:56 +01:00
Bryan Boreham 4a72607c4a refactor: extract some PromQL Engine tests which use unexported structs 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-05-08 16:27:17 +01:00
Bryan Boreham e7c77f7b40 promql: export NewTestQuery 
So that tests can call it from another package.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-05-08 16:08:04 +01:00
Bryan Boreham babfcfdd91 refactor: Move NewTestEngine into promqltest 
And export `DefaultMaxSamplesPerQuery` so callers can replicate previous
behaviour.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-05-08 16:07:28 +01:00
Oleg Zaytsev dabd789fd5
Quote label name in matchers when needed 
When the label name of a matcher contains non-standard characters, like
a dot, or starts with a digit, it should be quoted.

If it's not quoted, then `VectorSelector.String()` isn't a valid PromQL.

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
 2024-05-08 16:58:51 +02:00