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2.52.0-rc.0 / 2024-04-22

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@prombot prombot released this 30 Apr 13:05
f170a01
  • [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