Prometheus - Package Updates

[girish]

[1.30.2]

• Update Prometheus to 2.51.2
• Full changelog
• Notifier: could hang when using relabeling on alerts

[nebulon]

[1.31.0]

• Update Prometheus to 2.52.0
• Full changelog
• [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

[girish]

[1.32.0]

• Update Prometheus to 2.53.0
• Full changelog
• [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

[Package Updates]

[1.32.1]

• Update Prometheus to 2.53.1
• Full changelog

[Package Updates]

[1.33.0]

• Update Prometheus to 2.54.0
• Full changelog

[Package Updates]

[1.33.1]

• Update Prometheus to 2.54.1
• Full changelog

[Package Updates]

[1.34.0]

• Update Prometheus to 2.55.0
• Full changelog

[Package Updates]

[1.34.1]

• Update Prometheus Server to 2.55.1
• Full Changelog

[Package Updates]

[2.0.0]

• Update prometheus to 3.0.0
• Announcement
• Migration Guide
• New, more inclusive governance
• More OpenTelemetry compatibility and features
• OpenMetrics 2.0, now under Prometheus governance!
• Native Histograms stability (and with custom buckets!)
• More optimizations!
• UTF-8 support coverage in more SDKs and tools

[Package Updates]

[2.0.1]

• Update prometheus to 3.0.1
• Full Changelog
• [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

[Package Updates]

[2.1.0]

• Update prometheus to 3.1.0
• Full Changelog
• [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

[Package Updates]

[2.2.0]

• Update prometheus to 3.2.0
• Full Changelog
• [CHANGE] relabel: Replace actions can now use UTF-8 characters in targetLabel field. Note that $<chars> or ${<chars>} will be expanded. This also apply to replacement field for LabelMap action. #​15851
• [CHANGE] rulefmt: Rule names can use UTF-8 characters, except { and } characters (due to common mistake checks). #​15851
• [FEATURE] remote/otlp: Add feature flag otlp-deltatocumulative to support conversion from delta to cumulative. #​15165
• [ENHANCEMENT] openstack SD: Discover Octavia loadbalancers. #​15539
• [ENHANCEMENT] scrape: Add metadata for automatic metrics to WAL for metadata-wal-records feature. #​15837
• [ENHANCEMENT] promtool: Support linting of scrape interval, through lint option too-long-scrape-interval. #​15719
• [ENHANCEMENT] promtool: Add --ignore-unknown-fields option. #​15706
• [ENHANCEMENT] ui: Make "hide empty rules" and hide empty rules" persistent #​15807
• [ENHANCEMENT] web/api: Add a limit parameter to /query and /query_range. #​15552
• [ENHANCEMENT] api: Add fields Node and ServerTime to /status. #​15784
• [PERF] Scraping: defer computing labels for dropped targets until they are needed by the UI. #​15261
• [BUGFIX] remotewrite2: Fix invalid metadata bug for metrics without metadata. #​15829
• [BUGFIX] remotewrite2: Fix the unit field propagation. #​15825
• [BUGFIX] scrape: Fix WAL metadata for histograms and summaries. #​15832
• [BUGFIX] ui: Merge duplicate "Alerts page settings" sections. #​15810
• [BUGFIX] PromQL: Fix <aggr_over_time> functions with histograms. #​15711

[Package Updates]

[2.2.1]

• Update prometheus to 3.2.1
• Full Changelog
• [BUGFIX] Don't send Acceptheaderescape=allow-utf-8whenmetric_name_validation_scheme: legacy` is configured. #​16061

[Package Updates]

[2.3.0]

• Update base image to 5.0.0

[Package Updates]

[2.3.1]

• Update prometheus to 3.3.0

[Package Updates]

[2.3.2]

• Update prometheus to 3.3.1
• Full Changelog
• [BUGFIX] Azure SD: Fix panic on malformed log message. #16434 #16210
• [BUGFIX] Config: Update GOGC before loading TSDB. #16491

[Package Updates]

[2.4.0]

• Update prometheus to 3.4.0
• Full Changelog
• [CHANGE] Config: Make setting out-of-order native histograms feature (--enable-feature=ooo-native-histograms) a no-op. Out-of-order native histograms are now always enabled when out_of_order_time_window is greater than zero and --enable-feature=native-histograms is set. #​16207
• [FEATURE] OTLP translate: Add feature flag for optionally translating OTel explicit bucket histograms into native histograms with custom buckets. #​15850
• [FEATURE] OTLP translate: Add option to receive OTLP metrics without translating names or attributes. #​16441
• [FEATURE] PromQL: allow arithmetic operations in durations in PromQL parser. #​16249
• [FEATURE] OTLP receiver: Add primitive support for ingesting OTLP delta metrics as-is. #​16360
• [BUGFIX] Config: Fix auto-reload on changes to rule and scrape config files. #​16340
• [BUGFIX] Scraping: Skip native histogram series if ingestion is disabled. #​16218
• [BUGFIX] TSDB: Handle metadata/tombstones/exemplars for duplicate series during WAL replay. #​16231
• [BUGFIX] TSDB: Avoid processing exemplars outside the valid time range during WAL replay. #​16242
• [BUGFIX] Promtool: Add feature flags for PromQL features. #​16443

[Package Updates]

[2.4.1]

• Update prometheus to 3.4.1
• Full Changelog
• [BUGFIX] Parser: Add reproducer for a dangling-reference issue in parsers. #16633

[Package Updates]

[2.4.2]

• Update prometheus to 3.4.2
• Full Changelog
• [BUGFIX] OTLP receiver: Fix default configuration not being respected if the otlp: block is unset in the config file. #16693

[Package Updates]

[2.5.0]

• Update prometheus to 3.5.0
• Full Changelog
• [FEATURE] PromQL: Add experimental type and unit metadata labels, behind feature flag type-and-unit-labels. #​16228 #​16632 #​16718 #​16743
• [FEATURE] PromQL: Add ts_of_(min|max|last)_over_time, behind feature flag experimental-promql-functions. #​16722 #​16733
• [FEATURE] Scraping: Add global option always_scrape_classic_histograms to scrape a classic histogram even if it is also exposed as native. #​16452
• [FEATURE] OTLP: New config options promote_all_resource_attributes and ignore_resource_attributes. #​16426
• [FEATURE] Discovery: New service discovery for STACKIT Cloud. #​16401
• [BUGFIX] Top-level: Update GOGC before loading TSDB. #​16491
• [BUGFIX] Config: Respect GOGC environment variable if no "runtime" block exists. #​16558
• [BUGFIX] PromQL: Fix native histogram last_over_time. #​16744
• [BUGFIX] PromQL: Fix reported parser position range in errors for aggregations wrapped in ParenExpr #​16041 #​16754
• [BUGFIX] PromQL: Don't emit a value from histogram_fraction or histogram_quantile if classic and native histograms are present at the same timestamp. #​16552