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14486 commits

Author SHA1 Message Date
machine424 97f3219157 test(discovery): add a Configs test showing that the custom unmarshalling/marshalling is broken.
This went under the radar because the utils are never called directly.

We usually marshall/unmarshal Configs as embeded in a struct using UnmarshalYAMLWithInlineConfigs/MarshalYAMLWithInlineConfigs
which bypasses Configs' custom UnmarshalYAML/MarshalYAML

Signed-off-by: machine424 <ayoubmrini424@gmail.com>
2024-09-30 12:33:07 +02:00
Julien 537c5dbbcf
Merge pull request #14994 from roidelapluie/notifications2
Follow-up on notifications via SSE
2024-09-30 10:17:34 +02:00
Bryan Boreham 7d6884e3eb
Merge pull request #14985 from bboreham/fix-sort-by-labels
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[Release 2.55] [BUGFIX] PromQL: make sort_by_label stable
2024-09-30 09:06:24 +01:00
Bryan Boreham 54de4fb780
Merge pull request #14975 from colega/process-mempostings-delete-with-gomaxprocs-workers
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Process `MemPostings.Delete()` with `GOMAXPROCS` workers
2024-09-29 07:58:42 +01:00
Fiona Liao fd62dbc291 Update chunk format docs with native histograms and OOO
Signed-off-by: Fiona Liao <fiona.liao@grafana.com>
2024-09-27 18:57:58 +01:00
Ayoub Mrini 105ab2e95a
fix(test): adjust defer invocations (#14996)
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Signed-off-by: machine424 <ayoubmrini424@gmail.com>
2024-09-27 17:13:51 +01:00
Julien e34563bfe0 Retry SSE connection unless max clients have been reached.
This switches from the prehistoric EventSource API to the more modern
fetch-event-source package. That packages gives us full control over the
retries.

It also gives us the opportunity to close the event source when the
browser tab is hidden, saving resources.

Signed-off-by: Julien <roidelapluie@o11y.eu>
2024-09-27 16:18:33 +02:00
Julien f9bbad1148 Limit the number of SSE Subscribers to 16 by default
Signed-off-by: Julien <roidelapluie@o11y.eu>
2024-09-27 15:51:51 +02:00
Julien 7aa4721373
Merge pull request #14946 from roidelapluie/notifications
Add notifications to the Web UI
2024-09-27 15:50:43 +02:00
Julien 6cde0096e2 Add notifications to the web UI when configuration reload fails.
This commit introduces a new `/api/v1/notifications/live` endpoint that
utilizes Server-Sent Events (SSE) to stream notifications to the web UI.
This is used to display alerts such as when a configuration reload
has failed.

I opted for SSE over WebSockets because SSE is simpler to implement and
more robust for our use case. Since we only need one-way communication
from the server to the client, SSE fits perfectly without the overhead
of establishing and maintaining a two-way WebSocket connection.

When the SSE connection fails, we go back to a classic
/api/v1/notifications API endpoint.

This commit also contains the required UI changes for the new Mantine UI.

Signed-off-by: Julien <roidelapluie@o11y.eu>
2024-09-27 15:28:38 +02:00
Bryan Boreham b8e5b7cda9 [REFACTOR] PromQL: remove label_join and label_replace stubs
These functions operate on whole series, not on samples, so they do not
fit into the table of functions that return a Vector. Remove the stub
entries that were left to help downstream users of the code identify
what changed.

We cannot remove the entries from the `FunctionCalls` map without
breaking `TestFunctionList`, so put some nils in to keep it happy.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-09-27 11:20:45 +01:00
Oleg Zaytsev ada8a6ef10
Add some more tests for MemPostings_Delete
Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
2024-09-27 10:14:39 +02:00
Bryan Boreham 410fcce6f0
Remove unnecessary pprof import (#14988)
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The pattern of `import _ "net/http/pprof"` adds handlers to the default
http handler, but Prometheus does not use that. There are explicit
handlers in `web/web.go`.

So, we can remove this line with no impact to behaviour.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-09-27 07:45:49 +01:00
Neeraj Gartia 8aef821e10 eval_info command
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-09-27 01:10:00 +05:30
Julius Volz 5f26d86daa
Merge pull request #14982 from prometheus/fix-remove-defunct-alert-close-buttons
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Remove Query page alert close buttons that don't do anything
2024-09-26 20:39:45 +02:00
Björn Rabenstein f74722841b
Merge pull request #14160 from alex-kattathra-johnson/issue-13959
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Remove no-default-scrape-port featureFlag
2024-09-26 18:45:56 +02:00
George Krajcsovits 79a6238e19
scrape/scrape_test.go: reduce the time it takes to reload the manager (#14447)
* scrape/scrape_test.go: reduce the time it takes to reload the manager

TestNativeHistogramMaxSchemaSet took over 3x5s to complete because
there's a minimum reload interval.

I've made the testcases run in parallel and reduced the reload interval
to 10ms. Now the test runs in around 0.1-0.2 seconds.

Ran test 10000 times to check if it's flaky.

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>

---------

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2024-09-26 18:35:15 +02:00
Arthur Silva Sens d5f65cfce0
Merge pull request #14694 from prometheus/ct-histogram
Histogram CT Zero ingestion
2024-09-26 12:48:46 -03:00
Bryan Boreham 5710ddf24f
[ENHANCEMENT] Alerts: remove metrics for removed Alertmanagers (#13909)
* [ENHANCEMENT] Alerts: remove metrics for removed Alertmanagers

So they don't continue to report stale values.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-09-26 15:32:18 +01:00
Arthur Silva Sens 95a53ef982
Join tests for appending float and histogram CTs
Signed-off-by: Arthur Silva Sens <arthursens2005@gmail.com>
2024-09-26 11:29:31 -03:00
Arthur Silva Sens 6bd9b1a7cc
Histogram CT Zero ingestion
Signed-off-by: Arthur Silva Sens <arthursens2005@gmail.com>
2024-09-26 11:29:22 -03:00
Oleg Zaytsev 4fd2556baa
Extract processWithBoundedParallelismAndConsistentWorkers
Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
2024-09-26 15:43:19 +02:00
Björn Rabenstein 751100b3d0
Merge pull request #12998 from ringerc/docs-instant-vector-staleness
Docs: Refer to staleness in instant vector documentation
2024-09-26 14:52:34 +02:00
Bryan Boreham 7f99d2930d [BUGFIX] PromQL: make sort_by_label stable
Go's sorting functions can re-order equal elements, so the strategy of
sorting by the fallback ordering first does not always work.
Pulling the fallback into the main comparison function is more reliable
and more efficient.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-09-26 11:12:33 +01:00
Craig Ringer 15b68e989c Refer to staleness in instant vector documentation
The instant vector documentation does not explain which metric samples are selected - in particular, it makes no reference to staleness.

It's confusing when reading the docs to understand how exactly Prometheus selects the metrics to report: the most recent sample older than the search timestamp specified in the API request, so long as that metric is not "stale".

Signed-off-by: Craig Ringer <craig.ringer@enterprisedb.com>
2024-09-26 11:54:31 +12:00
Julius Volz fcbd18dabb Remove Query page alert close buttons that don't do anything
Signed-off-by: Julius Volz <julius.volz@gmail.com>
2024-09-25 18:27:27 +02:00
Alex Johnson be0f10054e Remove no-default-scrape-port featureFlag
Signed-off-by: Alex Johnson <alex.kattathra.johnson@gmail.com>
2024-09-25 10:13:19 -05:00
Oleg Zaytsev ccd0308abc
Don't do anything if MemPostings are empty
Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
2024-09-25 15:00:10 +02:00
Oleg Zaytsev 9c417aa710
Fix deadlock with empty MemPostings
Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
2024-09-25 14:08:50 +02:00
György Krajcsovits 71fd2d93a9 Merge branch 'main' into nhcb-scrape-impl
# Conflicts:
#	config/config.go
#	scrape/scrape.go
2024-09-25 13:43:57 +02:00
Jeanette Tan 97ba2fc39d use caps for NHCB
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:30 +02:00
Jeanette Tan 90c266845b fix lint
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:27 +02:00
Jeanette Tan 050b5fc257 refine test cases according to spec
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:22 +02:00
Jeanette Tan de9de320a4 start to cover all test cases for scrape
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:18 +02:00
Jeanette Tan f35c6649e4 don't blindly convert series with the classic histogram name suffixes if they are not actually histograms based on metadata
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:15 +02:00
Jeanette Tan 8b3ae15ad5 expand tests for classic and exponential native histograms
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:10 +02:00
Jeanette Tan e3899187da expand tests for protobuf and fix problems
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:08 +02:00
Jeanette Tan cd498964e6 expand tests and support conversion to nhcb in the middle of scrape
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:04 +02:00
Jeanette Tan 41c7f7d352 don't reuse the buffer
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:38:01 +02:00
Jeanette Tan 57bde06d2c add doc comments
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:56 +02:00
Jeanette Tan cbd5488cd3 skip nhcb conversion if there is native histogram of same name
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:51 +02:00
Jeanette Tan 0e5072b873 keep only 1 nhcb in memory at at time
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:46 +02:00
Jeanette Tan 172d4f2405 insert nhcb parser as intermediate layer
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:37 +02:00
Jeanette Tan f596f17024 allow option to convert classic histograms to nhcb entirely (don't append classic histogram series)
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:30 +02:00
Jeanette Tan 02d5abf60e don't use cache for nhcb maps
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:26 +02:00
Jeanette Tan 0a321fe4d8 improve new scrape test
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-09-25 13:37:20 +02:00
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
Bryan Boreham 5d8f0ef0c2
Merge pull request #14721 from bboreham/exp-grow-postings
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[PERF] TSDB: Grow postings by doubling
2024-09-25 10:47:55 +01:00
Oleg Zaytsev e196b977af
Process MemPostings.Delete() with GOMAXPROCS workers
We are still seeing lock contention on MemPostings.mtx, and MemPostings.Delete() is by far the most expensive operation on that mutex.

This adds parallelism to that method, trying to reduce the amount of time we spend with the mutex held.

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
2024-09-25 10:38:47 +02:00