Prometheus - Package Updates

[nebulon]

[1.18.6]

• Update Prometheus to 2.40.6
• Update Coudron base image to 4.0.0
• Full changelog

[nebulon]

[1.18.7]

• Update Prometheus to 2.40.7
• Full changelog
• [BUGFIX] TSDB: Fix queries involving negative buckets of native histograms. #11699

[nebulon]

[1.19.0]

• Update Prometheus to 2.41.0
• Full changelog

[girish]

Alertmanager [1.5.0]

• Update base image to 4.0.0

[nebulon]

[1.20.0]

• Update Prometheus to 2.42.0
• Full changelog

[nebulon]

[1.21.0]

• Update Prometheus to 2.43.0
• Full changelog

[girish]

[1.21.1]

• Update Prometheus to 2.43.1
• Full changelog

[girish]

[1.22.0]

• Update Prometheus to 2.44.0
• Full changelog
• [CHANGE] Remote-write: Raise default samples per send to 2,000. #12203
• [FEATURE] Remote-read: Handle native histograms. #12085, #12192
• [FEATURE] Promtool: Health and readiness check of prometheus server in CLI. #12096
• [FEATURE] PromQL: Add query_samples_total metric, the total number of samples loaded by all queries. #12251
• [ENHANCEMENT] Storage: Optimise buffer used to iterate through samples. #12326
• [ENHANCEMENT] Scrape: Reduce memory allocations on target labels. #12084
• [ENHANCEMENT] PromQL: Use faster heap method for topk() / bottomk(). #12190
• [ENHANCEMENT] Rules API: Allow filtering by rule name. #12270
• [ENHANCEMENT] Native Histograms: Various fixes and improvements. #11687, #12264, #12272
• [ENHANCEMENT] UI: Search of scraping pools is now case-insensitive. #12207

[nebulon]

[1.23.0]

• Update Prometheus to 2.45.0
• Full changelog
• [FEATURE] API: New limit parameter to limit the number of items returned by /api/v1/status/tsdb endpoint. #12336
• [FEATURE] Config: Add limits to global config. #12126
• [FEATURE] Consul SD: Added support for path_prefix. #12372
• [FEATURE] Native histograms: Add option to scrape both classic and native histograms. #12350
• [FEATURE] Native histograms: Added support for two more arithmetic operators avg_over_time and sum_over_time. #12262
• [FEATURE] Promtool: When providing the block id, only one block will be loaded and analyzed. #12031
• [FEATURE] Remote-write: New Azure ad configuration to support remote writing directly to Azure Monitor workspace. #11944
• [FEATURE] TSDB: Samples per chunk are now configurable with flag storage.tsdb.samples-per-chunk. By default set to its former value 120. #12055
• [ENHANCEMENT] Native histograms: bucket size can now be limited to avoid scrape fails. #12254
• [ENHANCEMENT] TSDB: Dropped series are now deleted from the WAL sooner. #12297
• [BUGFIX] Native histograms: ChunkSeries iterator now checks if a new sample can be appended to the open chunk. #12185
• [BUGFIX] Native histograms: Fix Histogram Appender Appendable() segfault. #12357
• [BUGFIX] Native histograms: Fix setting reset header to gauge histograms in seriesToChunkEncoder. #12329
• [BUGFIX] TSDB: Tombstone intervals are not modified after Get() call. #12245
• [BUGFIX] TSDB: Use path/filepath to set the WAL directory. #12349

[girish]

[1.24.0]

• Move storage directory to /app/data/storage
• CLI options can now be set in /app/data/env.sh

[nebulon]

[1.25.0]

• Update Prometheus to 2.46.0
• Full changelog
• [FEATURE] Promtool: Add PromQL format and label matcher set/delete commands to promtool. #11411
• [FEATURE] Promtool: Add push metrics command. #12299
• [ENHANCEMENT] Promtool: Read from stdin if no filenames are provided in check rules. #12225
• [ENHANCEMENT] Hetzner SD: Support larger ID's that will be used by Hetzner in September. #12569
• [ENHANCEMENT] Kubernetes SD: Add more labels for endpointslice and endpoints role. #10914
• [ENHANCEMENT] Kubernetes SD: Do not add pods to target group if the PodIP status is not set. #11642
• [ENHANCEMENT] OpenStack SD: Include instance image ID in labels. #12502
• [ENHANCEMENT] Remote Write receiver: Validate the metric names and labels. #11688
• [ENHANCEMENT] Web: Initialize prometheus_http_requests_total metrics with code label set to 200. #12472
• [ENHANCEMENT] TSDB: Add Zstandard compression option for wlog. #11666
• [ENHANCEMENT] TSDB: Support native histograms in snapshot on shutdown. #12258
• [ENHANCEMENT] Labels: Avoid compiling regexes that are literal. #12434
• [BUGFIX] Histograms: Fix parsing of float histograms without zero bucket. #12577
• [BUGFIX] Histograms: Fix scraping native and classic histograms missing some histograms. #12554
• [BUGFIX] Histograms: Enable ingestion of multiple exemplars per sample. 12557
• [BUGFIX] File SD: Fix path handling in File-SD watcher to allow directory monitoring on Windows. #12488
• [BUGFIX] Linode SD: Cast InstanceSpec values to int64 to avoid overflows on 386 architecture. #12568
• [BUGFIX] PromQL Engine: Include query parsing in active-query tracking. #12418
• [BUGFIX] TSDB: Handle TOC parsing failures. #10623

[girish]

Alertmanager [1.6.0]

• Update alertmanaget to 0.25.0
• Full changelog
• [CHANGE] Change the default parse_mode value from MarkdownV2 to HTML for Telegram. #2981
• [CHANGE] Make api_url field optional for Telegram. #2981
• [CHANGE] Use CanonicalMIMEHeaderKey instead of TitleCasing for email headers. #3080
• [CHANGE] Reduce the number of notification logs broadcasted between peers by expiring them after (2 * repeat interval). #2982
• [FEATURE] Add proxy_url support for OAuth2 in HTTP client configuration. #3010
• [FEATURE] Reload TLS certificate and key from disk when updated. #3168
• [FEATURE] Add Discord integration. #2948
• [FEATURE] Add Webex integration. #3132

[girish]

[1.7.0]

• Update alertmanager to 0.26.0
• Full changelog
• [CHANGE] Telegram Integration: api_url is now optional. #2981
• [CHANGE] Telegram Integration: ParseMode default is now HTML instead of MarkdownV2. #2981
• [CHANGE] Webhook Integration: url is now marked as a secret. It will no longer show up in the logs as clear-text. #3228
• [CHANGE] Metrics: New label reason for alertmanager_notifications_failed_total metric to indicate the type of error of the alert delivery. #3094 #3307
• [FEATURE] Clustering: New flag --cluster.label, to help to block any traffic that is not meant for the cluster. #3354
• [FEATURE] Integrations: Add Microsoft Teams as a supported integration. #3324

[girish]

[1.26.0]

• Update Prometheus to 2.47.0
• Full changelog
• [FEATURE] Web: Add OpenTelemetry (OTLP) Ingestion endpoint. #12571 #12643
• [FEATURE] Scraping: Optionally limit detail on dropped targets, to save memory. #12647
• [ENHANCEMENT] TSDB: Write head chunks to disk in the background to reduce blocking. #11818
• [ENHANCEMENT] PromQL: Speed up aggregate and function queries. #12682
• [ENHANCEMENT] PromQL: More efficient evaluation of query with timestamp(). #12579
• [ENHANCEMENT] API: Faster streaming of Labels to JSON. #12598
• [ENHANCEMENT] Agent: Memory pooling optimisation. #12651
• [ENHANCEMENT] TSDB: Prevent storage space leaks due to terminated snapshots on shutdown. #12664
• [ENHANCEMENT] Histograms: Refactoring and optimisations. #12352 #12584 #12596 #12711 #12054
• [ENHANCEMENT] Histograms: Add histogram_stdvar and histogram_stddev functions. #12614
• [ENHANCEMENT] Remote-write: add http.resend_count tracing attribute. #12676

[nebulon]

[1.26.1]

• Update Prometheus to 2.47.1
• Full changelog
• [BUGFIX] Fix duplicate sample detection at chunk size limit #12874

[girish]

[1.8.0]

• Update base image to 4.2.0

[nebulon]

[1.26.2]

• Update Prometheus to 2.47.2
• Full changelog

[nebulon]

[1.27.0]

• Update Prometheus to 2.48.0
• Full changelog
• [CHANGE] Remote-write: respect Retry-After header on 5xx errors. #12677
• [FEATURE] Alerting: Add AWS SigV4 authentication support for Alertmanager endpoints. #12774
• [FEATURE] Promtool: Add support for histograms in the TSDB dump command. #12775
• [FEATURE] PromQL: Add warnings (and annotations) to PromQL query results. #12152 #12982 #12988 #13012
• [FEATURE] Remote-write: Add Azure AD OAuth authentication support for remote write requests. #12572
• [ENHANCEMENT] Remote-write: Add a header to count retried remote write requests. #12729
• [ENHANCEMENT] TSDB: Improve query performance by re-using iterator when moving between series. #12757
• [ENHANCEMENT] UI: Move /targets page discovered labels to expandable section #12824
• [ENHANCEMENT] TSDB: Optimize WBL loading by not sending empty buffers over channel. #12808
• [ENHANCEMENT] TSDB: Reply WBL mmap markers concurrently. #12801
• [ENHANCEMENT] Promtool: Add support for specifying series matchers in the TSDB analyze command. #12842
• [ENHANCEMENT] PromQL: Prevent Prometheus from overallocating memory on subquery with large amount of steps. #12734
• [ENHANCEMENT] PromQL: Add warning when monotonicity is forced in the input to histogram_quantile. #12931
• [ENHANCEMENT] Scraping: Optimize sample appending by reducing garbage. #12939
• [ENHANCEMENT] Storage: Reduce memory allocations in queries that merge series sets. #12938
• [ENHANCEMENT] UI: Show group interval in rules display. #12943
• [ENHANCEMENT] Scraping: Save memory when scraping by delaying creation of buffer. #12953
• [ENHANCEMENT] Agent: Allow ingestion of out-of-order samples. #12897
• [ENHANCEMENT] Promtool: Improve support for native histograms in TSDB analyze command. #12869
• [ENHANCEMENT] Scraping: Add configuration option for tracking staleness of scraped timestamps. #13060
• [BUGFIX] SD: Ensure that discovery managers are properly canceled. #10569
• [BUGFIX] TSDB: Fix PostingsForMatchers race with creating new series. #12558
• [BUGFIX] TSDB: Fix handling of explicit counter reset header in histograms. #12772
• [BUGFIX] SD: Validate HTTP client configuration in HTTP, EC2, Azure, Uyuni, PuppetDB, and Lightsail SDs. #12762 #12811 #12812 #12815 #12814 #12816
• [BUGFIX] TSDB: Fix counter reset edgecases causing native histogram panics. #12838
• [BUGFIX] TSDB: Fix duplicate sample detection at chunk size limit. #12874
• [BUGFIX] Promtool: Fix errors not being reported in check rules command. #12715
• [BUGFIX] TSDB: Avoid panics reported in logs when head initialization takes a long time. #12876
• [BUGFIX] TSDB: Ensure that WBL is repaired when possible. #12406
• [BUGFIX] Storage: Fix crash caused by incorrect mixed samples handling. #13055
• [BUGFIX] TSDB: Fix compactor failures by adding min time to histogram chunks. #13062

[girish]

[1.27.1]

• Update Prometheus to 2.48.1
• Full changelog
• [BUGFIX] TSDB: Make the wlog watcher read segments synchronously when not tailing. #13224
• [BUGFIX] Agent: Participate in notify calls (fixes slow down in remote write handling introduced in 2.45). #13223

[girish]

[1.28.0]

• Update Prometheus to 2.49.0
• Full changelog
• [FEATURE] Promtool: Add --run flag promtool test rules command. #12206
• [FEATURE] SD: Add support for NS records to DNS SD. #13219
• [FEATURE] UI: Add heatmap visualization setting in the Graph tab, useful histograms. #13096 #13371
• [FEATURE] Scraping: Add scrape_config.enable_compression (default true) to disable gzip compression when scraping the target. #13166
• [FEATURE] PromQL: Add a promql-experimental-functions feature flag containing some new experimental PromQL functions. #13103 NOTE: More experimental functions might be added behind the same feature flag in the future. Added functions:
• [FEATURE] SD: Add __meta_linode_gpus label to Linode SD. #13097
• [FEATURE] API: Add exclude_alerts query parameter to /api/v1/rules to only return recording rules. #12999
• [FEATURE] TSDB: --storage.tsdb.retention.time flag value is now exposed as a prometheus_tsdb_retention_limit_seconds metric. #12986
• [FEATURE] Scraping: Add ability to specify priority of scrape protocols to accept during scrape (e.g. to scrape Prometheus proto format for certain jobs). This can be changed by setting global.scrape_protocols and scrape_config.scrape_protocols. #12738