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fix(deps): update prom/prometheus docker tag to v3 #28

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@renovate renovate bot commented Nov 14, 2024

This PR contains the following updates:

Package Type Update Change
prom/prometheus stage major v2.29.2 -> v3.1.0

Release Notes

prometheus/prometheus (prom/prometheus)

v3.1.0: 3.1.0 / 2025-01-02

Compare Source

What's Changed

  • [SECURITY] upgrade golang.org/x/crypto to address reported CVE-2024-45337. #​15691
  • [CHANGE] Notifier: Increment prometheus_notifications_errors_total by the number of affected alerts rather than per batch. #​15428
  • [CHANGE] API: list rules field "groupNextToken:omitempty" renamed to "groupNextToken". #​15400
  • [ENHANCEMENT] OTLP translate: keep identifying attributes in target_info. #​15448
  • [ENHANCEMENT] Paginate rule groups, add infinite scroll to rules within groups. #​15677
  • [ENHANCEMENT] TSDB: Improve calculation of space used by labels. #​13880
  • [ENHANCEMENT] Rules: new metric rule_group_last_rule_duration_sum_seconds. #​15672
  • [ENHANCEMENT] Observability: Export 'go_sync_mutex_wait_total_seconds_total' metric. #​15339
  • [ENHANCEMEN] Remote-Write: optionally use a DNS resolver that picks a random IP. #​15329
  • [PERF] Optimize l=~".+" matcher. #​15474, #​15684
  • [PERF] TSDB: Cache all symbols for compaction . #​15455
  • [PERF] TSDB: MemPostings: keep a map of label values slices. #​15426
  • [PERF] Remote-Write: Remove interning hook. #​15456
  • [PERF] Scrape: optimize string manipulation for experimental native histograms with custom buckets. #​15453
  • [PERF] TSDB: reduce memory allocations. #​15465, #​15427
  • [PERF] Storage: Implement limit in mergeGenericQuerier. #​14489
  • [PERF] TSDB: Optimize inverse matching. #​14144
  • [PERF] Regex: use stack memory for lowercase copy of string. #​15210
  • [PERF] TSDB: When deleting from postings index, pause to unlock and let readers read. #​15242
  • [BUGFIX] Main: Avoid possible segfault at exit. (#​15724)
  • [BUGFIX] Rules: Do not run rules concurrently if uncertain about dependencies. #​15560
  • [BUGFIX] PromQL: Adds test for absent, absent_over_time and deriv func with histograms. #​15667
  • [BUGFIX] PromQL: Fix various bugs related to quoting UTF-8 characters. #​15531
  • [BUGFIX] Scrape: fix nil panic after scrape loop reload. #​15563
  • [BUGFIX] Remote-write: fix panic on repeated log message. #​15562
  • [BUGFIX] Scrape: reload would ignore always_scrape_classic_histograms and convert_classic_histograms_to_nhcb configs. #​15489
  • [BUGFIX] TSDB: fix data corruption in experimental native histograms. #​15482
  • [BUGFIX] PromQL: Ignore histograms in all time related functions. #​15479
  • [BUGFIX] OTLP receiver: Convert metric metadata. #​15416
  • [BUGFIX] PromQL: Fix resets function for histograms. #​15527
  • [BUGFIX] PromQL: Fix behaviour of changes() for mix of histograms and floats. #​15469
  • [BUGFIX] PromQL: Fix behaviour of some aggregations with histograms. #​15432
  • [BUGFIX] allow quoted exemplar keys in openmetrics text format. #​15260
  • [BUGFIX] TSDB: fixes for rare conditions when loading write-behind-log (WBL). #​15380
  • [BUGFIX] round() function did not remove __name__ label. #​15250
  • [BUGFIX] Promtool: analyze block shows metric name with 0 cardinality. #​15438
  • [BUGFIX] PromQL: Fix count_values for histograms. #​15422
  • [BUGFIX] PromQL: fix issues with comparison binary operations with bool modifier and native histograms. #​15413
  • [BUGFIX] PromQL: fix incorrect "native histogram ignored in aggregation" annotations. #​15414
  • [BUGFIX] PromQL: Corrects the behaviour of some operator and aggregators with Native Histograms. #​15245
  • [BUGFIX] TSDB: Always return unknown hint for first sample in non-gauge histogram chunk. #​15343
  • [BUGFIX] PromQL: Clamp functions: Ignore any points with native histograms. #​15169
  • [BUGFIX] TSDB: Fix race on stale values in headAppender. #​15322
  • [BUGFIX] UI: Fix selector / series formatting for empty metric names. #​15340
  • [BUGFIX] OTLP receiver: Allow colons in non-standard units. #​15710

v3.0.1: 3.0.1 / 2024-11-28

Compare Source

The first bug fix release for Prometheus 3.

  • [BUGFIX] Promql: Make subqueries left open. #​15431
  • [BUGFIX] Fix memory leak when query log is enabled. #​15434
  • [BUGFIX] Support utf8 names on /v1/label/:name/values endpoint. #​15399

v3.0.0: 3.0.0 / 2024-11-14

Compare Source

This release includes new features such as a brand new UI and UTF-8 support enabled by default. As this marks the first new major version in seven years, several breaking changes are introduced. The breaking changes are mainly around the removal of deprecated feature flags and CLI arguments, and the full list can be found below. For users that want to upgrade we recommend to read through our migration guide.

  • [CHANGE] Set the GOMAXPROCS variable automatically to match the Linux CPU quota. Use --no-auto-gomaxprocs to disable it. The auto-gomaxprocs feature flag was removed. #​15376
  • [CHANGE] Set the GOMEMLIMIT variable automatically to match the Linux container memory limit. Use --no-auto-gomemlimit to disable it. The auto-gomemlimit feature flag was removed. #​15373
  • [CHANGE] Scraping: Remove implicit fallback to the Prometheus text format in case of invalid/missing Content-Type and fail the scrape instead. Add ability to specify a fallback_scrape_protocol in the scrape config. #​15136
  • [CHANGE] Remote-write: default enable_http2 to false. #​15219
  • [CHANGE] Scraping: normalize "le" and "quantile" label values upon ingestion. #​15164
  • [CHANGE] Scraping: config scrape_classic_histograms was renamed to always_scrape_classic_histograms. #​15178
  • [CHANGE] Config: remove expand-external-labels flag, expand external labels env vars by default. #​14657
  • [CHANGE] Disallow configuring AM with the v1 api. #​13883
  • [CHANGE] regexp . now matches all characters (performance improvement). #​14505
  • [CHANGE] holt_winters is now called double_exponential_smoothing and moves behind the experimental-promql-functions feature flag. #​14930
  • [CHANGE] API: The OTLP receiver endpoint can now be enabled using --web.enable-otlp-receiver instead of --enable-feature=otlp-write-receiver. #​14894
  • [CHANGE] Prometheus will not add or remove port numbers from the target address. no-default-scrape-port feature flag removed. #​14160
  • [CHANGE] Logging: the format of log lines has changed a little, along with the adoption of Go's Structured Logging package. #​14906
  • [CHANGE] Don't create extra _created timeseries if feature-flag created-timestamp-zero-ingestion is enabled. #​14738
  • [CHANGE] Float literals and time durations being the same is now a stable fetaure. #​15111
  • [CHANGE] UI: The old web UI has been replaced by a completely new one that is less cluttered and adds a few new features (PromLens-style tree view, better metrics explorer, "Explain" tab). However, it is still missing some features of the old UI (notably, exemplar display and heatmaps). To switch back to the old UI, you can use the feature flag --enable-feature=old-ui for the time being. #​14872
  • [CHANGE] PromQL: Range selectors and the lookback delta are now left-open, i.e. a sample coinciding with the lower time limit is excluded rather than included. #​13904
  • [CHANGE] Kubernetes SD: Remove support for discovery.k8s.io/v1beta1 API version of EndpointSlice. This version is no longer served as of Kubernetes v1.25. #​14365
  • [CHANGE] Kubernetes SD: Remove support for networking.k8s.io/v1beta1 API version of Ingress. This version is no longer served as of Kubernetes v1.22. #​14365
  • [CHANGE] UTF-8: Enable UTF-8 support by default. Prometheus now allows all UTF-8 characters in metric and label names. The corresponding utf8-name feature flag has been removed. #​14705
  • [CHANGE] Console: Remove example files for the console feature. Users can continue using the console feature by supplying their own JavaScript and templates. #​14807
  • [CHANGE] SD: Enable the new service discovery manager by default. This SD manager does not restart unchanged discoveries upon reloading. This makes reloads faster and reduces pressure on service discoveries' sources. The corresponding new-service-discovery-manager feature flag has been removed. #​14770
  • [CHANGE] Agent mode has been promoted to stable. The feature flag agent has been removed. To run Prometheus in Agent mode, use the new --agent cmdline arg instead. #​14747
  • [CHANGE] Remove deprecated remote-write-receiver,promql-at-modifier, and promql-negative-offset feature flags. #​13456, #​14526
  • [CHANGE] Remove deprecated storage.tsdb.allow-overlapping-blocks, alertmanager.timeout, and storage.tsdb.retention flags. #​14640, #​14643
  • [FEATURE] OTLP receiver: Ability to skip UTF-8 normalization using otlp.translation_strategy = NoUTF8EscapingWithSuffixes configuration option. #​15384
  • [FEATURE] Support config reload automatically - feature flag auto-reload-config. #​14769
  • [ENHANCEMENT] Scraping, rules: handle targets reappearing, or rules moving group, when out-of-order is enabled. #​14710
  • [ENHANCEMENT] Tools: add debug printouts to promtool rules unit testing #​15196
  • [ENHANCEMENT] Scraping: support Created-Timestamp feature on native histograms. #​14694
  • [ENHANCEMENT] UI: Many fixes and improvements. #​14898, #​14899, #​14907, #​14908, #​14912, #​14913, #​14914, #​14931, #​14940, #​14945, #​14946, #​14972, #​14981, #​14982, #​14994, #​15096
  • [ENHANCEMENT] UI: Web UI now displays notifications, e.g. when starting up and shutting down. #​15082
  • [ENHANCEMENT] PromQL: Introduce exponential interpolation for native histograms. #​14677
  • [ENHANCEMENT] TSDB: Add support for ingestion of out-of-order native histogram samples. #​14850, #​14546
  • [ENHANCEMENT] Alerts: remove metrics for removed Alertmanagers. #​13909
  • [ENHANCEMENT] Kubernetes SD: Support sidecar containers in endpoint discovery. #​14929
  • [ENHANCEMENT] Consul SD: Support catalog filters. #​11224
  • [ENHANCEMENT] Move AM discovery page from "Monitoring status" to "Server status". #​14875
  • [PERF] TSDB: Parallelize deletion of postings after head compaction. #​14975
  • [PERF] TSDB: Chunk encoding: shorten some write sequences. #​14932
  • [PERF] TSDB: Grow postings by doubling. #​14721
  • [PERF] Relabeling: Optimize adding a constant label pair. #​12180
  • [BUGFIX] UI: fix selector / series formatting for empty metric names. #​15341
  • [BUGFIX] PromQL: Fix stddev+stdvar aggregations to always ignore native histograms. #​14941
  • [BUGFIX] PromQL: Fix stddev+stdvar aggregations to treat Infinity consistently. #​14941
  • [BUGFIX] OTLP receiver: Preserve colons when generating metric names in suffix adding mode (this mode is always enabled, unless one uses Prometheus as a library). #​15251
  • [BUGFIX] Scraping: Unit was missing when using protobuf format. #​15095
  • [BUGFIX] PromQL: Only return "possible non-counter" annotation when rate returns points. #​14910
  • [BUGFIX] TSDB: Chunks could have one unnecessary zero byte at the end. #​14854
  • [BUGFIX] "superfluous response.WriteHeader call" messages in log. #​14884
  • [BUGFIX] PromQL: Unary negation of native histograms. #​14821
  • [BUGFIX] PromQL: Handle stale marker in native histogram series (e.g. if series goes away and comes back). #​15025
  • [BUGFIX] Autoreload: Reload invalid yaml files. #​14947
  • [BUGFIX] Scrape: Do not override target parameter labels with config params. #​11029

Full Changelog: prometheus/prometheus@v2.55.0...v3.0.0

v2.55.1: 2.55.1 / 2024-11-04

Compare Source

  • [BUGFIX] round() function did not remove __name__ label. #​15250

v2.55.0: 2.55.0 / 2024-10-22

Compare Source

What's Changed

  • [FEATURE] PromQL: Add experimental info function. #​14495
  • [FEATURE] Support UTF-8 characters in label names - feature flag utf8-names. #​14482, #​14880, #​14736, #​14727
  • [FEATURE] Scraping: Add the ability to set custom http_headers in config. #​14817
  • [FEATURE] Scraping: Support feature flag created-timestamp-zero-ingestion in OpenMetrics. #​14356, #​14815
  • [FEATURE] Scraping: scrape_failure_log_file option to log failures to a file. #​14734
  • [FEATURE] OTLP receiver: Optional promotion of resource attributes to series labels. #​14200
  • [FEATURE] Remote-Write: Support Google Cloud Monitoring authorization. #​14346
  • [FEATURE] Promtool: tsdb create-blocks new option to add labels. #​14403
  • [FEATURE] Promtool: promtool test adds --junit flag to format results. #​14506
  • [FEATURE] TSDB: Add delayed-compaction feature flag, for people running many Prometheus to randomize timing. #​12532
  • [ENHANCEMENT] OTLP receiver: Warn on exponential histograms with zero count and non-zero sum. #​14706
  • [ENHANCEMENT] OTLP receiver: Interrupt translation on context cancellation/timeout. #​14612
  • [ENHANCEMENT] Remote Read client: Enable streaming remote read if the server supports it. #​11379
  • [ENHANCEMENT] Remote-Write: Don't reshard if we haven't successfully sent a sample since last update. #​14450
  • [ENHANCEMENT] PromQL: Delay deletion of __name__ label to the end of the query evaluation. This is experimental and enabled under the feature-flag promql-delayed-name-removal. #​14477
  • [ENHANCEMENT] PromQL: Experimental sort_by_label and sort_by_label_desc sort by all labels when label is equal. #​14655, #​14985
  • [ENHANCEMENT] PromQL: Clarify error message logged when Go runtime panic occurs during query evaluation. #​14621
  • [ENHANCEMENT] PromQL: Use Kahan summation for better accuracy in avg and avg_over_time. #​14413
  • [ENHANCEMENT] Tracing: Improve PromQL tracing, including showing the operation performed for aggregates, operators, and calls. #​14816
  • [ENHANCEMENT] API: Support multiple listening addresses. #​14665
  • [ENHANCEMENT] TSDB: Backward compatibility with upcoming index v3. #​14934
  • [PERF] TSDB: Query in-order and out-of-order series together. #​14354, #​14693, #​14714, #​14831, #​14874, #​14948, #​15120
  • [PERF] TSDB: Streamline reading of overlapping out-of-order head chunks. #​14729
  • [BUGFIX] PromQL: make sort_by_label stable. #​14985
  • [BUGFIX] SD: Fix dropping targets (with feature flag new-service-discovery-manager). #​13147
  • [BUGFIX] SD: Stop storing stale targets (with feature flag new-service-discovery-manager). #​13622
  • [BUGFIX] Scraping: exemplars could be dropped in protobuf scraping. #​14810
  • [BUGFIX] Remote-Write: fix metadata sending for experimental Remote-Write V2. #​14766
  • [BUGFIX] Remote-Write: Return 4xx not 5xx when timeseries has duplicate label. #​14716
  • [BUGFIX] Experimental Native Histograms: many fixes for incorrect results, panics, warnings. #​14513, #​14575, #​14598, #​14609, #​14611, #​14771, #​14821
  • [BUGFIX] TSDB: Only count unknown record types in record_decode_failures_total metric. #​14042

New Contributors

Full Changelog: prometheus/prometheus@v2.54.1...v2.55.0

v2.54.1: 2.54.1 / 2024-08-27

Compare Source

  • [BUGFIX] Scraping: allow multiple samples on same series, with explicit timestamps. #​14685
  • [BUGFIX] Docker SD: fix crash in match_first_network mode when container is reconnected to a new network. #​14654
  • [BUGFIX] PromQL: fix experimental native histogram counter reset detection on stale samples. #​14514
  • [BUGFIX] PromQL: fix experimental native histograms getting corrupted due to vector selector bug in range queries. #​14538
  • [BUGFIX] PromQL: fix experimental native histogram memory corruption when using histogram_count or histogram_sum. #​14605

Full Changelog: prometheus/prometheus@v2.54.0...v2.54.1

v2.54.0: 2.54.0 / 2024-08-09

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Release 2.54 brings a release candidate of a major new version of Remote Write: 2.0.
This is experimental at this time and may still change.
Remote-write v2 is enabled by default, but can be disabled via feature-flag web.remote-write-receiver.accepted-protobuf-messages.

  • [CHANGE] Remote-Write: highest_timestamp_in_seconds and queue_highest_sent_timestamp_seconds metrics now initialized to 0. #​14437
  • [CHANGE] API: Split warnings from info annotations in API response. #​14327
  • [FEATURE] Remote-Write: Version 2.0 experimental, plus metadata in WAL via feature flag metadata-wal-records (defaults on). #​14395,#​14427,#​14444
  • [FEATURE] PromQL: add limitk() and limit_ratio() aggregation operators. #​12503
  • [ENHANCEMENT] PromQL: Accept underscores in literal numbers, e.g. 1_000_000 for 1 million. #​12821
  • [ENHANCEMENT] PromQL: float literal numbers and durations are now interchangeable (experimental). Example: time() - my_timestamp > 10m. #​9138
  • [ENHANCEMENT] PromQL: use Kahan summation for sum(). #​14074,#​14362
  • [ENHANCEMENT] PromQL (experimental native histograms): Optimize histogram_count and histogram_sum functions. #​14097
  • [ENHANCEMENT] TSDB: Better support for out-of-order experimental native histogram samples. #​14438
  • [ENHANCEMENT] TSDB: Optimise seek within index. #​14393
  • [ENHANCEMENT] TSDB: Optimise deletion of stale series. #​14307
  • [ENHANCEMENT] TSDB: Reduce locking to optimise adding and removing series. #​13286,#​14286
  • [ENHANCEMENT] TSDB: Small optimisation: streamline special handling for out-of-order data. #​14396,#​14584
  • [ENHANCEMENT] Regexps: Optimize patterns with multiple prefixes. #​13843,#​14368
  • [ENHANCEMENT] Regexps: Optimize patterns containing multiple literal strings. #​14173
  • [ENHANCEMENT] AWS SD: expose Primary IPv6 addresses as __meta_ec2_primary_ipv6_addresses. #​14156
  • [ENHANCEMENT] Docker SD: add MatchFirstNetwork for containers with multiple networks. #​10490
  • [ENHANCEMENT] OpenStack SD: Use flavor.original_name if available. #​14312
  • [ENHANCEMENT] UI (experimental native histograms): more accurate representation. #​13680,#​14430
  • [ENHANCEMENT] Agent: out_of_order_time_window config option now applies to agent. #​14094
  • [ENHANCEMENT] Notifier: Send any outstanding Alertmanager notifications when shutting down. #​14290
  • [ENHANCEMENT] Rules: Add label-matcher support to Rules API. #​10194
  • [ENHANCEMENT] HTTP API: Add url to message logged on error while sending response. #​14209
  • [BUGFIX] CLI: escape | characters when generating docs. #​14420
  • [BUGFIX] PromQL (experimental native histograms): Fix some binary operators between native histogram values. #​14454
  • [BUGFIX] TSDB: LabelNames API could fail during compaction. #​14279
  • [BUGFIX] TSDB: Fix rare issue where pending OOO read can be left dangling if creating querier fails. #​14341
  • [BUGFIX] TSDB: fix check for context cancellation in LabelNamesFor. #​14302
  • [BUGFIX] Rules: Fix rare panic on reload. #​14366
  • [BUGFIX] Config: In YAML marshalling, do not output a regexp field if it was never set. #​14004
  • [BUGFIX] Remote-Write: reject samples with future timestamps. #​14304
  • [BUGFIX] Remote-Write: Fix data corruption in remote write if max_sample_age is applied. #​14078
  • [BUGFIX] Notifier: Fix Alertmanager discovery not updating under heavy load. #​14174
  • [BUGFIX] Regexes: some Unicode characters were not matched by case-insensitive comparison. #​14170,#​14299
  • [BUGFIX] Remote-Read: Resolve occasional segmentation fault on query. #​14515

Many thanks to the Prometheus Team and contributors:
@​zenador
@​jjo
@​rexagod
@​darshanime
@​charleskorn
@​fpetkovski
@​carrieedwards
@​colega
@​pracucci
@​akunszt
@​DrAuYueng
@​paulojmdias
@​Maniktherana
@​rabenhorst
@​saswatamcode
@​B1F030
@​yeya24
@​rapphil
@​liam-howe-maersk
@​jkroepke
@​FUSAKLA
@​Ranveer777

v2.53.3: 2.53.3 / 2024-11-04

Compare Source

  • [BUGFIX] Scraping: allow multiple samples on same series, with explicit timestamps. #​14685, #​14740

v2.53.2: 2.53.2 / 2024-08-09

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Fix a bug where Prometheus would crash with a segmentation fault if a remote-read
request accessed a block on disk at about the same time as TSDB created a new block.

[BUGFIX] Remote-Read: Resolve occasional segmentation fault on query. #​14515,#​14523

v2.53.1: 2.53.1 / 2024-07-10

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This is a bug-fix release, reverting a change introduced in v2.51.0.

The bug was that remote-write would drop samples if the sending flow stalled for longer than it takes to write one "WAL segment". How long this takes depends on the data rate of your Prometheus; as a rough guide with 10 million series scraping once per minute it could be about 5 minutes. The issue is #​14087.

  • [BUGFIX] Remote-write: stop dropping samples in catch-up #​14446

As usual, container images are available at https://quay.io/repository/prometheus/prometheus?tab=tags and https://hub.docker.com/r/prom/prometheus/tags

v2.53.0: 2.53.0 / 2024-06-16

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This release changes the default for GOGC, the Go runtime control for the trade-off between excess memory use and CPU usage. We have found that Prometheus operates with minimal additional CPU usage, but greatly reduced memory by adjusting the upstream Go default from 100 to 75.

  • [CHANGE] Rules: Execute 1 query instead of N (where N is the number of alerts within alert rule) when restoring alerts. #​13980 #​14048
  • [CHANGE] Runtime: Change GOGC threshold from 100 to 75 #​14176 #​14285
  • [FEATURE] Rules: Add new option query_offset for each rule group via rule group configuration file and rule_query_offset as part of the global configuration to have more resilience for remote write delays. #​14061 #​14216 #​14273
  • [ENHANCEMENT] Rules: Add rule_group_last_restore_duration_seconds metric to measure the time it takes to restore a rule group. #​13974
  • [ENHANCEMENT] OTLP: Improve remote write format translation performance by using label set hashes for metric identifiers instead of string based ones. #​14006 #​13991
  • [ENHANCEMENT] TSDB: Optimize querying with regexp matchers. #​13620
  • [BUGFIX] OTLP: Don't generate target_info unless there are metrics and at least one identifying label is defined. #​13991
  • [BUGFIX] Scrape: Do no try to ingest native histograms when the native histograms feature is turned off. This happened when protobuf scrape was enabled by for example the created time feature. #​13987
  • [BUGFIX] Scaleway SD: Use the instance's public IP if no private IP is available as the __address__ meta label. #​13941
  • [BUGFIX] Query logger: Do not leak file descriptors on error. #​13948
  • [BUGFIX] TSDB: Let queries with heavy regex matches be cancelled and not use up the CPU. #​14096 #​14103 #​14118 #​14199
  • [BUGFIX] API: Do not warn if result count is equal to the limit, only when exceeding the limit for the series, label-names and label-values APIs. #​14116
  • [BUGFIX] TSDB: Fix head stats and hooks when replaying a corrupted snapshot. #​14079

v2.52.0: 2.52.0 / 2024-05-07

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  • [CHANGE] TSDB: Fix the predicate checking for blocks which are beyond the retention period to include the ones right at the retention boundary. #​9633
  • [FEATURE] Kubernetes SD: Add a new metric prometheus_sd_kubernetes_failures_total to track failed requests to Kubernetes API. #​13554
  • [FEATURE] Kubernetes SD: Add node and zone metadata labels when using the endpointslice role. #​13935
  • [FEATURE] Azure SD/Remote Write: Allow usage of Azure authorization SDK. #​13099
  • [FEATURE] Alerting: Support native histogram templating. #​13731
  • [FEATURE] Linode SD: Support IPv6 range discovery and region filtering. #​13774
  • [ENHANCEMENT] PromQL: Performance improvements for queries with regex matchers. #​13461
  • [ENHANCEMENT] PromQL: Performance improvements when using aggregation operators. #​13744
  • [ENHANCEMENT] PromQL: Validate label_join destination label. #​13803
  • [ENHANCEMENT] Scrape: Increment prometheus_target_scrapes_sample_duplicate_timestamp_total metric on duplicated series during one scrape. #​12933
  • [ENHANCEMENT] TSDB: Many improvements in performance. #​13742 #​13673 #​13782
  • [ENHANCEMENT] TSDB: Pause regular block compactions if the head needs to be compacted (prioritize head as it increases memory consumption). #​13754
  • [ENHANCEMENT] Observability: Improved logging during signal handling termination. #​13772
  • [ENHANCEMENT] Observability: All log lines for drop series use "num_dropped" key consistently. #​13823
  • [ENHANCEMENT] Observability: Log chunk snapshot and mmaped chunk replay duration during WAL replay. #​13838
  • [ENHANCEMENT] Observability: Log if the block is being created from WBL during compaction. #​13846
  • [BUGFIX] PromQL: Fix inaccurate sample number statistic when querying histograms. #​13667
  • [BUGFIX] PromQL: Fix histogram_stddev and histogram_stdvar for cases where the histogram has negative buckets. #​13852
  • [BUGFIX] PromQL: Fix possible duplicated label name and values in a metric result for specific queries. #​13845
  • [BUGFIX] Scrape: Fix setting native histogram schema factor during scrape. #​13846
  • [BUGFIX] TSDB: Fix counting of histogram samples when creating WAL checkpoint stats. #​13776
  • [BUGFIX] TSDB: Fix cases of compacting empty heads. #​13755
  • [BUGFIX] TSDB: Count float histograms in WAL checkpoint. #​13844
  • [BUGFIX] Remote Read: Fix memory leak due to broken requests. #​13777
  • [BUGFIX] API: Stop building response for /api/v1/series/ when the API request was cancelled. #​13766
  • [BUGFIX] promtool: Fix panic on promtool tsdb analyze --extended when no native histograms are present. #​13976

v2.51.2: 2.51.2 / 2024-04-09

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Bugfix release.

[BUGFIX] Notifier: could hang when using relabeling on alerts #​13861

v2.51.1: 2.51.1 / 2024-03-27

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Bugfix release.

  • [BUGFIX] PromQL: Re-instate validation of label_join destination label #​13803
  • [BUGFIX] Scraping (experimental native histograms): Fix handling of the min bucket factor on sync of targets #​13846
  • [BUGFIX] PromQL: Some queries could return the same series twice (library use only) #​13845

v2.51.0: 2.51.0 / 2024-03-18

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This version is built with Go 1.22.1.

There is a new optional build tag "dedupelabels", which should reduce memory consumption (#​12304).
It is off by default; there will be an optional alternative image to try it out.

  • [CHANGE] Scraping: Do experimental timestamp alignment even if tolerance is bigger than 1% of scrape interval #​13624, #​13737
  • [FEATURE] Alerting: Relabel rules for AlertManagerConfig; allows routing alerts to different alertmanagers #​12551, #​13735
  • [FEATURE] API: add limit param to series, label-names and label-values APIs #​13396
  • [FEATURE] UI (experimental native histograms): Add native histogram chart to Table view #​13658
  • [FEATURE] Promtool: Add a "tsdb dump-openmetrics" to dump in OpenMetrics format. #​13194
  • [FEATURE] PromQL (experimental native histograms): Add histogram_avg function #​13467
  • [ENHANCEMENT] Rules: Evaluate independent rules concurrently #​12946, #​13527
  • [ENHANCEMENT] Scraping (experimental native histograms): Support exemplars #​13488
  • [ENHANCEMENT] Remote Write: Disable resharding during active retry backoffs #​13562
  • [ENHANCEMENT] Observability: Add native histograms to latency/duration metrics #​13681
  • [ENHANCEMENT] Observability: Add 'type' label to prometheus_tsdb_head_out_of_order_samples_appended_total #​13607
  • [ENHANCEMENT] API: Faster generation of targets into JSON #​13469, #​13484
  • [ENHANCEMENT] Scraping, API: Use faster compression library #​10782
  • [ENHANCEMENT] OpenTelemetry: Performance improvements in OTLP parsing #​13627
  • [ENHANCEMENT] PromQL: Optimisations to reduce CPU and memory #​13448, #​13536
  • [BUGFIX] PromQL: Constrain extrapolation in rate() to half of sample interval #​13725
  • [BUGFIX] Remote Write: Stop slowing down when a new WAL segment is created #​13583, #​13628
  • [BUGFIX] PromQL: Fix wrongly scoped range vectors with @​ modifier #​13559
  • [BUGFIX] Kubernetes SD: Pod status changes were not discovered by Endpoints service discovery #​13337
  • [BUGFIX] Azure SD: Fix 'error: parameter virtualMachineScaleSetName cannot be empty' (#​13702)
  • [BUGFIX] Remote Write: Fix signing for AWS sigv4 transport #​13497
  • [BUGFIX] Observability: Exemplars emitted by Prometheus use "trace_id" not "traceID" #​13589

v2.50.1: 2.50.1 / 2024-02-26

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This is a bug-fix release for an issue that broke the /metadata API.

  • [BUGFIX] API: Fix metadata API using wrong field names. #​13633

Thanks to @​itsmylife for the fix.

v2.50.0: 2.50.0 / 2024-02-22

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  • [CHANGE] Remote Write: Error storage.ErrTooOldSample is now generating HTTP error 400 instead of HTTP error 500. #​13335
  • [FEATURE] Remote Write: Drop old inmemory samples. Activated using the config entry sample_age_limit. #​13002
  • [FEATURE] Experimental: Add support for ingesting zeros as created timestamps. (enabled under the feature-flag created-timestamp-zero-ingestion). #​12733 #​13279
  • [FEATURE] Promtool: Add analyze histograms command. #​12331
  • [FEATURE] TSDB/compaction: Add a way to enable overlapping compaction. #​13282 #​13393 #​13398
  • [FEATURE] Add automatic memory limit handling. Activated using the feature flag. auto-gomemlimit #​13395
  • [ENHANCEMENT] Promtool: allow specifying multiple matchers in promtool tsdb dump. #​13296
  • [ENHANCEMENT] PromQL: Restore more efficient version of NewPossibleNonCounterInfo annotation. #​13022
  • [ENHANCEMENT] Kuma SD: Extend configuration to allow users to specify client ID. #​13278
  • [ENHANCEMENT] PromQL: Use natural sort in sort_by_label and sort_by_label_desc. This is experimental. [#​13411](

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@renovate renovate bot force-pushed the renovate/prom-prometheus-3.x branch from b904c63 to 2db1352 Compare November 28, 2024 18:57
@renovate renovate bot force-pushed the renovate/prom-prometheus-3.x branch from 2db1352 to c5bf70b Compare January 2, 2025 16:33
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