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@dimitarvdimitrov dimitarvdimitrov released this 04 Jul 18:54
· 1194 commits to main since this release
mimir-2.13.0-rc.2
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This release contains 476 PRs from 67 authors, including new contributors Anthony Keydel, Armand Grillet, AvivGuiser, Daniel R. Dagfinrud, David Collier-Brown, David Grant, Dimitris Alo, Enrique Garbi, Erik Sommer, Ian Halliday, InventiveCoder, Kevin Mingtarja, Lasse Hels, Pangidoan Butar, Quentin Bisson, Rens Groothuijsen, René Gärtner, Ross Brunson, Santiago, Seiya, Spyros Panagiotopoulos, Yuri Nikolic, Zied ABID, kahirokunn, lasermoth. Thank you!

Grafana Mimir version 2.13.0-rc.2 release notes

Features and enhancements

  • Improved CPU performance in processing queries with regular expressions that contain many alternations (for example foo|bar|baz|...).

  • Improved OTLP ingestion performance by using native translation, which reduces memory usage in the distributor by up to 30% and CPU usage by up to 8%.

  • Configurable S3 bucket lookup type improves interoperability with S3-compatible providers, such as Tencent and Alibaba. Configure lookup type via -<prefix>.s3.bucket-lookup-type or -common.storage.s3-bucket-lookup-type.

  • Configuration of TLS for S3 buckets is now possible via -<prefix>.s3.http.* and -common.storage.s3.http.* configuration options.

  • Mimirtool can now verify the validity of a Mimir runtime configuration file with the mimirtool runtime-config verify command.

  • Active series are now updated along with owned series. This means the number of active series for a tenant is more accurate after scaling out ingesters. As a result, ingesters now more precisely enforce tenants' series limits. This feature is only enabled when -ingester.track-ingester-owned-series or -ingester.use-ingester-owned-series-for-limits are enabled.

  • Store-gateway can be configured to explicitly disable or enable tenants. This is useful in cases where compaction slows down for a tenant to temporarily exclude another tenant while compaction catches up without affecting other tenants.

  • Remote read (/prometheus/api/v1/read) is becoming a first-class endpoint in Mimir with support in query stats logs and query blocking in the query-frontend. More coming in future releases.

Additionally, the following previously experimental features are now considered stable:

  • Rules tenant federation via the source_tenants field in rule groups.
  • Enabling recording, and alerting rules evaluation on a per-tenant basis.
  • Limiting the number of tenants a federated query can query.

Important changes

In Grafana Mimir 2.13 the following behavior has changed:

  • The default Docker image grafana/mimir is now based on the distroless image gcr.io/distroless/static-debian12.
    See Debugging distroless container images for more details on how to
    work with distroless images.

  • Error logs in the ingester are now sampled at 10% by default. Sampled log lines contain (sampled 1/10). The cortex_discarded_samples_total metric still tracks all discarded samples.

  • Anonymous usage statistics now include actual CPU usage instead of available CPU cores.

  • Continuous-test is no longer a standalone binary and is now part of Mimir as its own target. The published Docker image has been updated to use the new packaging.

The following deprecated configuration options are removed in Grafana Mimir 2.13:

  • The configuration option -log.buffered, which was deprecated in 2.11 and is now enabled by default.

Experimental features

Grafana Mimir 2.13 includes new features that are considered experimental and disabled by default.
Use them with caution and report any issues you encounter:

  • Experimental support for server-side circuit breakers in ingesters on read and write requests. This can be enabled using -ingester.push-circuit-breaker.enabled and -ingester.read-circuit-breaker.enabled options and further configured via the -ingester.push-circuit-breaker.* and -ingester.read-circuit-breaker.* options.

The following configuration options are deprecated and will be removed in a future Grafana Mimir release:

  • evaluation_delay field in the rule group configuration has been deprecated. Please use query_offset instead.

Bug fixes

  • OTLP ingestion: translate all HTTP 5xx errors into one of 502, 503, or 504, so that the otel-collector retries the failed requests.
  • OTLP ingestion: return properly formatted protobuf error messages when ingestion fails.
  • OTLP ingestion: generate target_info metric only when there are metrics in the request and there is at least one configured identifying label.
  • OTLP ingestion: don't discard timeseries paired with invalid exemplars. Instead, try to ingest the timeseries and discard only the invalid exemplars.
  • Subqueries: @ end() and @ start() now work correctly with queries split by time.
  • Native histograms: order exemplars before ingestion to improve success rate when ingesting multiple exemplars.
  • Native histograms: return HTTP 400 on invalid native histogram samples instead of HTTP 500. The metric cortex_discarded_samples_total{reason="invalid-native-histogram"} is now incremented on invalid histogram samples.

Changelog

2.13.0-rc.1

Grafana Mimir

  • [CHANGE] Build: grafana/mimir docker image is now based on gcr.io/distroless/static-debian12 image. Alpine-based docker image is still available as grafana/mimir-alpine, until Mimir 2.15. #8204 #8235
  • [CHANGE] Ingester: /ingester/flush endpoint is now only allowed to execute only while the ingester is in Running state. The 503 status code is returned if the endpoint is called while the ingester is not in Running state. #7486
  • [CHANGE] Distributor: Include label name in err-mimir-label-value-too-long error message: #7740
  • [CHANGE] Ingester: enabled 1 out 10 errors log sampling by default. All the discarded samples will still be tracked by the cortex_discarded_samples_total metric. The feature can be configured via -ingester.error-sample-rate (0 to log all errors). #7807
  • [CHANGE] Query-frontend: Query results caching and experimental query blocking now utilize the PromQL string-formatted query format rather than the unvalidated query as submitted to the frontend. #7742
    • Query results caching should be more stable as all equivalent queries receive the same cache key, but there may be cache churn on first deploy with the updated format
    • Query blocking can no longer be circumvented with an equivalent query in a different format; see Configure queries to block
  • [CHANGE] Query-frontend: stop using -validation.create-grace-period to clamp how far into the future a query can span. #8075
  • [CHANGE] Clamp GOMAXPROCS to runtime.NumCPU. #8201
  • [CHANGE] Anonymous usage statistics tracking: add CPU usage percentage tracking. #8282
  • [CHANGE] Added new metric cortex_compactor_disk_out_of_space_errors_total which counts how many times a compaction failed due to the compactor being out of disk. #8237
  • [CHANGE] Anonymous usage statistics tracking: report active series in addition to in-memory series. #8279
  • [CHANGE] Ruler: evaluation_delay field in the rule group configuration has been deprecated. Please use query_offset instead (it has the same exact meaning and behaviour). #8295
  • [CHANGE] General: remove -log.buffered. The configuration option has been enabled by default and deprecated since Mimir 2.11. #8395
  • [CHANGE] Ruler: promote tenant federation from experimental to stable. #8400
  • [CHANGE] Ruler: promote -ruler.recording-rules-evaluation-enabled and -ruler.alerting-rules-evaluation-enabled from experimental to stable. #8400
  • [CHANGE] General: promote -tenant-federation.max-tenants from experimental to stable. #8400
  • [FEATURE] Continuous-test: now runable as a module with mimir -target=continuous-test. #7747
  • [FEATURE] Store-gateway: Allow specific tenants to be enabled or disabled via -store-gateway.enabled-tenants or -store-gateway.disabled-tenants CLI flags or their corresponding YAML settings. #7653
  • [FEATURE] New -<prefix>.s3.bucket-lookup-type flag configures lookup style type, used to access bucket in s3 compatible providers. #7684
  • [FEATURE] Querier: add experimental streaming PromQL engine, enabled with -querier.promql-engine=mimir. #7693 #7898 #7899 #8023 #8058 #8096 #8121 #8197 #8230 #8247 #8270 #8276 #8277 #8291 #8303 #8340 #8256 #8348
  • [FEATURE] New /ingester/unregister-on-shutdown HTTP endpoint allows dynamic access to ingesters' -ingester.ring.unregister-on-shutdown configuration. #7739
  • [FEATURE] Server: added experimental PROXY protocol support. The PROXY protocol support can be enabled via -server.proxy-protocol-enabled=true. When enabled, the support is added both to HTTP and gRPC listening ports. #7698
  • [FEATURE] Query-frontend, querier: new experimental /cardinality/active_native_histogram_metrics API to get active native histogram metric names with statistics about active native histogram buckets. #7982 #7986 #8008
  • [FEATURE] Alertmanager: Added -alertmanager.max-silences-count and -alertmanager.max-silence-size-bytes to set limits on per tenant silences. Disabled by default. #8241 #8249
  • [FEATURE] Ingester: add experimental support for the server-side circuit breakers when writing to and reading from ingesters. This can be enabled using -ingester.push-circuit-breaker.enabled and -ingester.read-circuit-breaker.enabled options. Further -ingester.push-circuit-breaker.* and -ingester.read-circuit-breaker.* options for configuring circuit-breaker are available. Added metrics cortex_ingester_circuit_breaker_results_total, cortex_ingester_circuit_breaker_transitions_total, cortex_ingester_circuit_breaker_current_state and cortex_ingester_circuit_breaker_request_timeouts_total. #8180 #8285 #8315 #8446
  • [FEATURE] Distributor, ingester: add new setting -validation.past-grace-period to limit how old (based on the wall clock minus OOO window) the ingested samples can be. The default 0 value disables this limit. #8262
  • [ENHANCEMENT] Distributor: add metrics cortex_distributor_samples_per_request and cortex_distributor_exemplars_per_request to track samples/exemplars per request. #8265
  • [ENHANCEMENT] Reduced memory allocations in functions used to propagate contextual information between gRPC calls. #7529
  • [ENHANCEMENT] Distributor: add experimental limit for exemplars per series per request, enabled with -distributor.max-exemplars-per-series-per-request, the number of discarded exemplars are tracked with cortex_discarded_exemplars_total{reason="too_many_exemplars_per_series_per_request"} #7989 #8010
  • [ENHANCEMENT] Store-gateway: merge series from different blocks concurrently. #7456
  • [ENHANCEMENT] Store-gateway: Add stage="wait_max_concurrent" to cortex_bucket_store_series_request_stage_duration_seconds which records how long the query had to wait for its turn for -blocks-storage.bucket-store.max-concurrent. #7609
  • [ENHANCEMENT] Querier: add cortex_querier_federation_upstream_query_wait_duration_seconds to observe time from when a querier picks up a cross-tenant query to when work begins on its single-tenant counterparts. #7209
  • [ENHANCEMENT] Compactor: Add cortex_compactor_block_compaction_delay_seconds metric to track how long it takes to compact blocks. #7635
  • [ENHANCEMENT] Store-gateway: add outcome label to cortex_bucket_stores_gate_duration_seconds histogram metric. Possible values for the outcome label are: rejected_canceled, rejected_deadline_exceeded, rejected_other, and permitted. #7784
  • [ENHANCEMENT] Query-frontend: use zero-allocation experimental decoder for active series queries via -query-frontend.use-active-series-decoder. #7665
  • [ENHANCEMENT] Go: updated to 1.22.2. #7802
  • [ENHANCEMENT] Query-frontend: support limit parameter on /prometheus/api/v1/label/{name}/values and /prometheus/api/v1/labels endpoints. #7722
  • [ENHANCEMENT] Expose TLS configuration for the S3 backend client. #7959
  • [ENHANCEMENT] Rules: Support expansion of native histogram values when using rule templates #7974
  • [ENHANCEMENT] Rules: Add metric cortex_prometheus_rule_group_last_restore_duration_seconds which measures how long it takes to restore rule groups using the ALERTS_FOR_STATE series #7974
  • [ENHANCEMENT] OTLP: Improve remote write format translation performance by using label set hashes for metric identifiers instead of string based ones. #8012
  • [ENHANCEMENT] Querying: Remove OpEmptyMatch from regex concatenations. #8012
  • [ENHANCEMENT] Store-gateway: add -blocks-storage.bucket-store.max-concurrent-queue-timeout. When set, queries at the store-gateway's query gate will not wait longer than that to execute. If a query reaches the wait timeout, then the querier will retry the blocks on a different store-gateway. If all store-gateways are unavailable, then the query will fail with err-mimir-store-consistency-check-failed. #7777 #8149
  • [ENHANCEMENT] Store-gateway: add -blocks-storage.bucket-store.index-header.lazy-loading-concurrency-queue-timeout. When set, loads of index-headers at the store-gateway's index-header lazy load gate will not wait longer than that to execute. If a load reaches the wait timeout, then the querier will retry the blocks on a different store-gateway. If all store-gateways are unavailable, then the query will fail with err-mimir-store-consistency-check-failed. #8138
  • [ENHANCEMENT] Ingester: Optimize querying with regexp matchers. #8106
  • [ENHANCEMENT] Distributor: Introduce -distributor.max-request-pool-buffer-size to allow configuring the maximum size of the request pool buffers. #8082
  • [ENHANCEMENT] Store-gateway: improve performance when streaming chunks to queriers is enabled (-querier.prefer-streaming-chunks-from-store-gateways=true) and the query selects fewer than -blocks-storage.bucket-store.batch-series-size series (defaults to 5000 series). #8039
  • [ENHANCEMENT] Ingester: active series are now updated along with owned series. They decrease when series change ownership between ingesters. This helps provide a more accurate total of active series when ingesters are added. This is only enabled when -ingester.track-ingester-owned-series or -ingester.use-ingester-owned-series-for-limits are enabled. #8084
  • [ENHANCEMENT] Query-frontend: include route name in query stats log lines. #8191
  • [ENHANCEMENT] OTLP: Speed up conversion from OTel to Mimir format by about 8% and reduce memory consumption by about 30%. Can be disabled via -distributor.direct-otlp-translation-enabled=false #7957
  • [ENHANCEMENT] Ingester/Querier: Optimise regexps with long lists of alternates. #8221, #8234
  • [ENHANCEMENT] Ingester: Include more detail in tracing of queries. #8242
  • [ENHANCEMENT] Distributor: add insight=true to remote-write and OTLP write handlers when the HTTP response status code is 4xx. #8294
  • [ENHANCEMENT] Ingester: reduce locked time while matching postings for a label, improving the write latency and compaction speed. #8327
  • [ENHANCEMENT] Ingester: reduce the amount of locks taken during the Head compaction's garbage-collection process, improving the write latency and compaction speed. #8327
  • [ENHANCEMENT] Query-frontend: log the start, end time and matchers for remote read requests to the query stats logs. #8326 #8370 #8373
  • [BUGFIX] Distributor: prometheus retry on 5xx and 429 errors, while otlp collector only retry on 429, 502, 503 and 504, mapping other 5xx errors to the retryable ones in otlp endpoint. #8324 #8339
  • [BUGFIX] Distributor: make OTLP endpoint return marshalled proto bytes as response body for 4xx/5xx errors. #8227
  • [BUGFIX] Rules: improve error handling when querier is local to the ruler. #7567
  • [BUGFIX] Querier, store-gateway: Protect against panics raised during snappy encoding. #7520
  • [BUGFIX] Ingester: Prevent timely compaction of empty blocks. #7624
  • [BUGFIX] Querier: Don't cache context.Canceled errors for bucket index. #7620
  • [BUGFIX] Store-gateway: account for "other" time in LabelValues and LabelNames requests. #7622
  • [BUGFIX] Query-frontend: Don't panic when using the -query-frontend.downstream-url flag. #7651
  • [BUGFIX] Ingester: when receiving multiple exemplars for a native histogram via remote write, sort them and only report an error if all are older than the latest exemplar as this could be a partial update. #7640 #7948 #8014
  • [BUGFIX] Ingester: don't retain blocks if they finish exactly on the boundary of the retention window. #7656
  • [BUGFIX] Bug-fixes and improvements to experimental native histograms. #7744 #7813
  • [BUGFIX] Querier: return an error when a query uses label_join with an invalid destination label name. #7744
  • [BUGFIX] Compactor: correct outstanding job estimation in metrics and compaction-planner tool when block labels differ. #7745
  • [BUGFIX] Ingester: turn native histogram validation errors in TSDB into soft ingester errors that result in returning 4xx to the end-user instead of 5xx. In the case of TSDB validation errors, the counter cortex_discarded_samples_total will be increased with the reason label set to "invalid-native-histogram". #7736 #7773
  • [BUGFIX] Do not wrap error message with sampled 1/<frequency> if it's not actually sampled. #7784
  • [BUGFIX] Store-gateway: do not track cortex_querier_blocks_consistency_checks_failed_total metric if query has been canceled or interrued due to any error not related to blocks consistency check failed. #7752
  • [BUGFIX] Ingester: ignore instances with no tokens when calculating local limits to prevent discards during ingester scale-up #7881
  • [BUGFIX] Ingester: do not reuse exemplars slice in the write request if there are more than 10 exemplars per series. This should help to reduce the in-use memory in case of few requests with a very large number of exemplars. #7936
  • [BUGFIX] Distributor: fix down scaling of native histograms in the distributor when timeseries unmarshal cache is in use. #7947
  • [BUGFIX] Distributor: fix cardinality API to return more accurate number of in-memory series when number of zones is larger than replication factor. #7984
  • [BUGFIX] All: fix config validation for non-ingester modules, when ingester's ring is configured with spread-minimizing token generation strategy. #7990
  • [BUGFIX] Ingester: copy LabelValues strings out of mapped memory to avoid a segmentation fault if the region becomes unmapped before the result is marshaled. #8003
  • [BUGFIX] OTLP: Don't generate target_info unless at least one identifying label is defined. #8012
  • [BUGFIX] OTLP: Don't generate target_info unless there are metrics. #8012
  • [BUGFIX] Query-frontend: Experimental query queue splitting: fix issue where offset and range selector duration were not considered when predicting query component. #7742
  • [BUGFIX] Querying: Empty matrix results were incorrectly returning null instead of []. #8029
  • [BUGFIX] All: don't increment thanos_objstore_bucket_operation_failures_total metric for cancelled requests. #8072
  • [BUGFIX] Query-frontend: fix empty metric name matcher not being applied under certain conditions. #8076
  • [BUGFIX] Querying: Fix regex matching of multibyte runes with dot operator. #8089
  • [BUGFIX] Querying: matrix results returned from instant queries were not sorted by series. #8113
  • [BUGFIX] Query scheduler: Fix a crash in result marshaling. #8140
  • [BUGFIX] Store-gateway: Allow long-running index scans to be interrupted. #8154
  • [BUGFIX] Query-frontend: fix splitting of queries using @ start() and @end() modifiers on a subquery. Previously the start() and end() would be evaluated using the start end end of the split query instead of the original query. #8162
  • [BUGFIX] Distributor: Don't discard time series with invalid exemplars, just drop affected exemplars. #8224
  • [BUGFIX] Ingester: fixed in-memory series count when replaying a corrupted WAL. #8295
  • [BUGFIX] Ingester: fix context cancellation handling when a query is busy looking up series in the TSDB index and -blocks-storage.tsdb.head-postings-for-matchers-cache* or -blocks-storage.tsdb.block-postings-for-matchers-cache* are in use. #8337
  • [BUGFIX] Querier: fix edge case where bucket indexes are sometimes cached forever instead of with the expected TTL. #8343
  • [BUGFIX] OTLP handler: fix errors returned by OTLP handler when used via httpgrpc tunneling. #8363
  • [BUGFIX] Update github.com/hashicorp/go-retryablehttp to address CVE-2024-6104. #8539

Mixin

  • [CHANGE] Alerts: Removed obsolete MimirQueriesIncorrect alert that used test-exporter metrics. Test-exporter support was however removed in Mimir 2.0 release. #7774
  • [CHANGE] Alerts: Change threshold for MimirBucketIndexNotUpdated alert to fire before queries begin to fail due to bucket index age. #7879
  • [FEATURE] Dashboards: added 'Remote ruler reads networking' dashboard. #7751
  • [FEATURE] Alerts: Add MimirIngesterStuckProcessingRecordsFromKafka alert. #8147
  • [ENHANCEMENT] Alerts: allow configuring alerts range interval via _config.base_alerts_range_interval_minutes. #7591
  • [ENHANCEMENT] Dashboards: Add panels for monitoring distributor and ingester when using ingest-storage. These panels are disabled by default, but can be enabled using show_ingest_storage_panels: true config option. Similarly existing panels used when distributors and ingesters use gRPC for forwarding requests can be disabled by setting show_grpc_ingestion_panels: false. #7670 #7699
  • [ENHANCEMENT] Alerts: add the following alerts when using ingest-storage: #7699 #7702
    • MimirIngesterLastConsumedOffsetCommitFailed
    • MimirIngesterFailedToReadRecordsFromKafka
    • MimirIngesterKafkaFetchErrorsRateTooHigh
    • MimirStartingIngesterKafkaReceiveDelayIncreasing
    • MimirRunningIngesterReceiveDelayTooHigh
    • MimirIngesterFailsToProcessRecordsFromKafka
    • MimirIngesterFailsEnforceStrongConsistencyOnReadPath
  • [ENHANCEMENT] Dashboards: add in-flight queries scaling metric panel for ruler-querier. #7749
  • [ENHANCEMENT] Dashboards: renamed rows in the "Remote ruler reads" and "Remote ruler reads resources" dashboards to match the actual component names. #7750
  • [ENHANCEMENT] Dashboards: allow switching between using classic of native histograms in dashboards. #7627
    • Overview dashboard, Status panel, cortex_request_duration_seconds metric.
  • [ENHANCEMENT] Alerts: exclude 529 and 598 status codes from failure codes in MimirRequestsError. #7889
  • [ENHANCEMENT] Dashboards: renamed "TCP Connections" panel to "Ingress TCP Connections" in the networking dashboards. #8092
  • [ENHANCEMENT] Dashboards: update the use of deprecated "table (old)" panels to "table". #8181
  • [ENHANCEMENT] Dashboards: added a component variable to "Slow queries" dashboard to allow checking the slow queries of the remote ruler evaluation query path. #8309
  • [BUGFIX] Dashboards: fix regular expression for matching read-path gRPC ingester methods to include querying of exemplars, label-related queries, or active series queries. #7676
  • [BUGFIX] Dashboards: fix user id abbreviations and column heads for Top Tenants dashboard. #7724
  • [BUGFIX] Dashboards: fix incorrect query used for "queue length" panel on "Ruler" dashboard. #8006
  • [BUGFIX] Dashboards: fix disk space utilization panels when running with a recent version of kube-state-metrics. #8212

Jsonnet

  • [CHANGE] Memcached: Change default read timeout for chunks and index caches to 750ms from 450ms. #7778
  • [CHANGE] Fine-tuned terminationGracePeriodSeconds for the following components: #7364
    • Querier: changed from 30 to 180
    • Query-scheduler: changed from 30 to 180
  • [CHANGE] Change TCP port exposed by mimir-continuous-test deployment to match with updated defaults of its container image (see changes below). #7958
  • [FEATURE] Add support to deploy Mimir with experimental ingest storage enabled. #8028 #8222
  • [ENHANCEMENT] Compactor: add $._config.cortex_compactor_concurrent_rollout_enabled option (disabled by default) that makes use of rollout-operator to speed up the rollout of compactors. #7783 #7878
  • [ENHANCEMENT] Shuffle-sharding: add $._config.shuffle_sharding.ingest_storage_partitions_enabled and $._config.shuffle_sharding.ingester_partitions_shard_size options, that allow configuring partitions shard size in ingest-storage mode. #7804
  • [ENHANCEMENT] Update rollout-operator to v0.17.0. #8399
  • [ENHANCEMENT] Add _config.autoscaling_querier_predictive_scaling_enabled to scale querier based on inflight queries 7 days ago. #7775
  • [ENHANCEMENT] Add support to autoscale ruler-querier replicas based on in-flight queries too (in addition to CPU and memory based scaling). #8060 #8188
  • [ENHANCEMENT] Distributor: improved distributor HPA scaling metric to only take in account ready pods. This requires the metric kube_pod_status_ready to be available in the data source used by KEDA to query scaling metrics (configured via _config.autoscaling_prometheus_url). #8251
  • [BUGFIX] Guard against missing samples in KEDA queries. #7691

Mimirtool

  • [CHANGE] Deprecated --rule-files flag in favor of CLI arguments. #7756
  • [FEATURE] mimirtool: Add runtime-config verify sub-command, for verifying Mimir runtime config files. #8123
  • [ENHANCEMENT] mimirtool promql format: Format PromQL query with Prometheus' string or pretty-print formatter. #7742
  • [ENHANCEMENT] Add mimir-http-prefix configuration to set the Mimir URL prefix when using legacy routes. #8069
  • [ENHANCEMENT] Add option --output-dir to mimirtool rules get and mimirtool rules print to allow persisting rule groups to a file for edit and re-upload. #8142
  • [BUGFIX] Fix panic in loadgen subcommand. #7629
  • [BUGFIX] mimirtool rules prepare: do not add aggregation label to on() clause if already present in group_left() or group_right(). #7839
  • [BUGFIX] Analyze Grafana: fix parsing queries with variables. #8062
  • [BUGFIX] mimirtool rules sync: detect a change when the query_offset or the deprecated evaluation_delay configuration changes. #8297

Mimir Continuous Test

  • [CHANGE] mimir-continuous-test has been deprecated and replaced by a Mimir module that can be run as a target from the mimir binary using mimir -target=continuous-test. #7753
  • [CHANGE] -server.metrics-port flag is no longer available for use in the module run of mimir-continuous-test, including the grafana/mimir-continuous-test Docker image which uses the new module. Configuring this port is still possible in the binary, which is deprecated. #7747
  • [CHANGE] Allowed authenticatication to Mimir using both Tenant ID and basic/bearer auth #7619.
  • [BUGFIX] Set User-Agent header for all requests sent from the testing client. #7607

Query-tee

  • [ENHANCEMENT] Log queries that take longer than proxy.log-slow-query-response-threshold when compared to other backends. #7346
  • [ENHANCEMENT] Add two new metrics for measuring the relative duration between backends: #7782 #8013 #8330
    • cortex_querytee_backend_response_relative_duration_seconds
    • cortex_querytee_backend_response_relative_duration_proportional

Documentation

  • [ENHANCEMENT] Clarify Compactor and its storage volume when configured under Kubernetes. #7675
  • [ENHANCEMENT] Add OTLP route to Mimir routes by path runbooks section. #8074
  • [ENHANCEMENT] Document option server.log-source-ips-full. #8268

Tools

  • [ENHANCEMENT] ulidtime: add option to show random part of ULID, timestamp in milliseconds and header. #7615
  • [ENHANCEMENT] copyblocks: add a flag to configure part-size for multipart uploads in s3 client-side copying. #8292
  • [ENHANCEMENT] copyblocks: enable pprof HTTP endpoints. #8292

All changes in this release: mimir-2.13.0-rc.0...mimir-2.13.0-rc.1

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