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Refactoring in prevision of https://github.com/prometheus/prometheus/pull/15681
By moving the `eval` function outside of the for loop, we can modify the rule execution order more easily (without huge git changes)
Signed-off-by: Julien Duchesne <julien.duchesne@grafana.com>
* feat(ruler): Add new `RuleEvaluationTimeSum` field to groups
Coupled with a metric: `rule_group_last_rule_duration_sum_seconds`
This will give us more observability into how fast a group runs with or without concurrency
Signed-off-by: Julien Duchesne <julien.duchesne@grafana.com>
* Update rules/group.go
Co-authored-by: gotjosh <josue.abreu@gmail.com>
Signed-off-by: Julien Duchesne <julienduchesne@live.com>
Signed-off-by: Julien Duchesne <julien.duchesne@grafana.com>
* Apply suggestions from code review
Co-authored-by: gotjosh <josue.abreu@gmail.com>
Signed-off-by: Julien Duchesne <julienduchesne@live.com>
Signed-off-by: Julien Duchesne <julien.duchesne@grafana.com>
* Remove `in seconds`. A duration is a duration
Signed-off-by: Julien Duchesne <julien.duchesne@grafana.com>
---------
Signed-off-by: Julien Duchesne <julien.duchesne@grafana.com>
Signed-off-by: Julien Duchesne <julienduchesne@live.com>
Co-authored-by: gotjosh <josue.abreu@gmail.com>
Fix some edge cases when OOO is enabled
Signed-off-by: Vanshikav123 <vanshikav928@gmail.com>
Signed-off-by: Vanshika <102902652+Vanshikav123@users.noreply.github.com>
Signed-off-by: Jesus Vazquez <jesusvzpg@gmail.com>
Co-authored-by: Jesus Vazquez <jesusvzpg@gmail.com>
For: #14355
This commit updates Prometheus to adopt stdlib's log/slog package in
favor of go-kit/log. As part of converting to use slog, several other
related changes are required to get prometheus working, including:
- removed unused logging util func `RateLimit()`
- forward ported the util/logging/Deduper logging by implementing a small custom slog.Handler that does the deduping before chaining log calls to the underlying real slog.Logger
- move some of the json file logging functionality to use prom/common package functionality
- refactored some of the new json file logging for scraping
- changes to promql.QueryLogger interface to swap out logging methods for relevant slog sugar wrappers
- updated lots of tests that used/replicated custom logging functionality, attempting to keep the logical goal of the tests consistent after the transition
- added a healthy amount of `if logger == nil { $makeLogger }` type conditional checks amongst various functions where none were provided -- old code that used the go-kit/log.Logger interface had several places where there were nil references when trying to use functions like `With()` to add keyvals on the new *slog.Logger type
Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
* Rules: Refactor concurrency controller interface
Even though the main purpose of this refactor is to modify the interface of the concurrency controller to accept a Context. I did two drive-by modifications that I think are sensible:
1. I have moved the check for dependencies on rules to the controller itself - this aligns with how the controller should behave as it is a deciding factor on wether we should run concurrently or not.
2. I cleaned up some unused methods from the days of the old interface before #13527 changed it.
Signed-off-by: gotjosh <josue.abreu@gmail.com>
---------
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* [PATCH] Allow having evaluation delay for rule groups
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
* [PATCH] Fix lint
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
* [PATCH] Move the option to ManagerOptions
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
* [PATCH] Include evaluation_delay in the group config
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
* Fix comments
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Add a server configuration option.
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Appease the linter #1
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Add the new server flag documentation
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Improve documentation of the new flag and configuration
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Use named parameters for clarity on the `Rule` interface
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Add `initial` to the flag help
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Change the CHANGELOG area from `ruler` to `rules`
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Rename evaluation_delay to `rule_query_offset`/`query_offset` and make it a global configuration option.
Signed-off-by: gotjosh <josue.abreu@gmail.com>
E Your branch is up to date with 'origin/gotjosh/evaluation-delay'.
* more docs
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Improve wording on CHANGELOG
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Add `RuleQueryOffset` to the default config in tests in case it changes
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Update docs/configuration/recording_rules.md
Co-authored-by: Julius Volz <julius.volz@gmail.com>
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Rename `RuleQueryOffset` to `QueryOffset` when in the group context.
Signed-off-by: gotjosh <josue.abreu@gmail.com>
* Improve docstring and documentation on the `rule_query_offset`
Signed-off-by: gotjosh <josue.abreu@gmail.com>
---------
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
Signed-off-by: gotjosh <josue.abreu@gmail.com>
Co-authored-by: Ganesh Vernekar <ganeshvern@gmail.com>
Co-authored-by: Julius Volz <julius.volz@gmail.com>
* BUGFIX: Mark the rule's restoration process as completed always
In https://github.com/prometheus/prometheus/pull/13980 I introduced a change to reduce the number of queries executed when we restore alert statuses.
With this, the querying semantics changed as we now need to go through all series before we enter the alert restoration loop and I missed the fact that exiting early when there are no rules to restore would lead to an incomplete restoration.
An alert being restored is used as a proxy for "we're now ready to write `ALERTS/ALERTS_FOR_SERIES` metrics" so as a result we weren't writing the series if we didn't restore anything the first time around.
---------
Signed-off-by: gotjosh <josue.abreu@gmail.com>
Prometheus restores alert state between restarts and updates. For each rule, it looks at the alerts that are meant to be active and then queries the `ALERTS_FOR_STATE` series for _each_ alert within the rules.
If the alert rule has 120 instances (or series) it'll execute the same query with slightly different labels.
This PR changes the approach so that we only query once per alert rule and then match the corresponding alert that we're about to restore against the series-set. While the approach might use a bit more memory at start-up (if even?) the restore proccess is only ran once per restart so I'd consider this a big win.
This builds on top of #13974
Signed-off-by: gotjosh <josue.abreu@gmail.com>
When a rule group changes or prometheus is restarted we need to ensure we restore the active alerts that were firing for a corresponding rule, for that Prometheus uses the `ALERTS_FOR_STATE` series to query the previous state and restore it. If a given rule has high cardinality (think 100s of 1000s for series) this proccess can take a bit of time - this is the first of a series of PRs to improve this problem and I'd like to start with exposing the time it takes to restore a rule group as a gauge.
Signed-off-by: gotjosh <josue.abreu@gmail.com>
Rule warnings are logged with numDropped=N while every other component uses num_dropped=N:
```
notifier/notifier.go: level.Warn(n.logger).Log("msg", "Alert batch larger than queue capacity, dropping alerts", "num_dropped", d)
notifier/notifier.go: level.Warn(n.logger).Log("msg", "Alert notification queue full, dropping alerts", "num_dropped", d)
storage/remote/write_handler.go: _ = level.Warn(h.logger).Log("msg", "Error on ingesting out-of-order exemplars", "num_dropped", outOfOrderExemplarErrs)
rules/group.go: level.Warn(logger).Log("msg", "Error on ingesting out-of-order result from rule evaluation", "num_dropped", numOutOfOrder)
rules/group.go: level.Warn(logger).Log("msg", "Error on ingesting too old result from rule evaluation", "num_dropped", numTooOld)
rules/group.go: level.Warn(logger).Log("msg", "Error on ingesting results from rule evaluation with different value but same timestamp", "num_dropped", numDuplicates)
scrape/scrape.go: level.Warn(sl.l).Log("msg", "Error on ingesting out-of-order samples", "num_dropped", appErrs.numOutOfOrder)
scrape/scrape.go: level.Warn(sl.l).Log("msg", "Error on ingesting samples with different value but same timestamp", "num_dropped", appErrs.numDuplicates)
scrape/scrape.go: level.Warn(sl.l).Log("msg", "Error on ingesting samples that are too old or are too far into the future", "num_dropped", appErrs.numOutOfBounds)
scrape/scrape.go: level.Warn(sl.l).Log("msg", "Error on ingesting out-of-order exemplars", "num_dropped", appErrs.numExemplarOutOfOrder)
```
Rename numDropped to num_dropped for consistency.
Signed-off-by: Łukasz Mierzwa <l.mierzwa@gmail.com>
Updated & added tests
Review feedback nits
Return empty map if not indeterminate
Use highWatermark to track inflight requests counter
Appease the linter
Clarify feature flag
Signed-off-by: Danny Kopping <danny.kopping@grafana.com>
