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20 Commits

Author SHA1 Message Date
Gábor Farkas d830591cdc Revert "Prometheus: Reduce allocations parsing exemplars" (#66367) 
Revert "Prometheus: Reduce allocations parsing exemplars (#58959)"

This reverts commit a1f2d0e205.
 2023-04-12 14:45:21 +02:00
Gábor Farkas 05f7ae6c69 prometheus: slightly different approach for dataplane compatibility (#65993) 2023-04-11 12:58:55 +02:00
Kyle Brandt 674144c8e8 Prometheus: Update FrameType and make __name__ the field name (#62694) 
These changes would make the response more in line with the dataplane contract, changes are under the feature toggle prometheusDataplane
 2023-03-29 11:26:32 -04:00
Christian Simon a1f2d0e205 Prometheus: Reduce allocations parsing exemplars (#58959) 
* Prometheus: Reduce allocations parsing exemplars

This reduces allocations for parsing exemplars.

name            old time/op    new time/op    delta
ExemplarJson-8    24.7ms ±15%    17.6ms ± 2%  -28.72%  (p=0.008 n=5+5)

name            old alloc/op   new alloc/op   delta
ExemplarJson-8    4.70MB ± 0%    3.58MB ± 0%  -23.79%  (p=0.008 n=5+5)

name            old allocs/op  new allocs/op  delta
ExemplarJson-8     72.6k ± 0%     69.1k ± 0%   -4.81%  (p=0.008 n=5+5)

* Ensure pairs is reset
 2023-01-18 16:42:22 +01:00
KonH 4421b31b66 Loki/Prometheus: Change signature - return non-reference from ReadPrometheusStyleResult (#57209) 
* Change signature - return non-reference from ReadPrometheusStyleResult

Related to https://github.com/grafana/grafana/issues/52430

* Fix invalid reference usage

* Potential fix for test data

* Remove additional ref usage

* Revert "Potential fix for test data"

This reverts commit 94ed588ab3.

* Commit changed test data

* Revert unwanted conflict resolution

* Add additional condition to track empty responses

* Setup valid empty response

* Re-introduce changes reverted by merge
 2023-01-13 09:00:39 +01:00
Kyle Brandt 4e0f95dc31 Chore: Update SDK to v0.145.0 with TimeSeriesMulti Constant (#59729) 2022-12-05 12:48:10 -05:00
Leon Sorokin f4f31b40fd HeatmapNG: consolidate frame types & fix color ranging (#51089) 
* rename yZeroDisplay -> yMinDisplay
* remove heatmap-cells-sparse frame type
* parse x bucket size to millis
* take into account hideLE & hideGE filters to auto-range color scale
* extract cell value range scanning to heatmapData
 2022-06-20 15:38:13 -05:00
Gábor Farkas fd63ed540f loki: fix bug in labels framing (#51015) 2022-06-17 12:50:10 +02:00
Todd Treece 33d4850c90 Prometheus: Fix sort issue in wide frames (#49660) 2022-05-25 23:32:55 -04:00
Todd Treece 94b9c524a8 Prometheus: Streaming JSON parser performance improvements (#48792) 2022-05-24 16:17:11 -04:00
Björn Rabenstein 97759c75f4 Prometheus: add support for new _experimental_ sparse histograms/heatmaps (#47801) 
Co-authored-by: Ryan McKinley <ryantxu@gmail.com>
 2022-05-16 02:47:18 +02:00
Todd Treece 87e8521591 Prometheus: Implement Streaming JSON Parser (#48477) 
use `prometheusStreamingJSONParser` feature toggle to enable
 2022-05-13 20:28:54 +02:00
Todd Treece ec666f8785 Converter: Add result type to frame meta (#48769) 2022-05-05 16:57:24 +02:00
Gábor Farkas da74dba7c8 Loki: backend: use streaming JSON parser, try2 (#48752) 
* converter: remove __name__ customization because Loki does not do that

Loki does not handle __name__ in a special way.
for Prometheus, the caller can implement the formatting
by themselves

* converter: change labels-formatting

the labels.String() method does not handle strange values well

* loki: backend: use streaming-json parser

* more idiomatic code

Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>

* simpler row-length check

* simpler code

* fixed converter/prom tests

Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
 2022-05-05 13:09:01 +02:00
Gábor Farkas 3cade2f669 Revert "Loki: backend: use streaming JSON parser (#47656)" (#48747) 
This reverts commit 46b40b6e82.
 2022-05-05 12:02:53 +02:00
Gábor Farkas 46b40b6e82 Loki: backend: use streaming JSON parser (#47656) 
* converter: remove __name__ customization because Loki does not do that

Loki does not handle __name__ in a special way.
for Prometheus, the caller can implement the formatting
by themselves

* converter: change labels-formatting

the labels.String() method does not handle strange values well

* loki: backend: use streaming-json parser

* more idiomatic code

Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>

* simpler row-length check

* simpler code

Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
 2022-05-05 08:47:40 +02:00
Todd Treece 9529c35efa Converter: Add support for parsing prometheus string (#48727) 2022-05-04 20:26:32 -04:00
Todd Treece 35300a816a Prometheus: Add support for streaming scalar parsing (#48725) 2022-05-04 16:03:48 -04:00
Todd Treece 6e6f6e3cce Converter: Add support for parsing error & warning from prometheus results (#48721) 2022-05-04 12:01:18 -07:00
Ryan McKinley 110d4661d7 Converter: use streaming JSON parser to construct frames from loki/prometheus responses (#44520) 2022-04-04 17:22:14 -07:00