Merge float st-storage implementation (PROM-60) and initial xor2-encoding#18062
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Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
It was 80 bytes with a lot of padding compared to the 56 bytes of the original xor chunk iterator. Made it 64 bytes, tightly packed. Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
from delta of delta of st. Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
Test that initializing a chunk appender from an existing chunk works correctly. Signed-off-by: György Krajcsovits <[email protected]>
Signed-off-by: György Krajcsovits <[email protected]>
feat(tsdb/chunkenc): add float chunk format with start timestamp support
* Update npm dependencies for v3.10 Signed-off-by: Ganesh Vernekar <[email protected]> * Fix critical npm vulnerabilities with npm audit fix Signed-off-by: Ganesh Vernekar <[email protected]> * UI: Move HistoryCompleteStrategy into its own file and fix lint Signed-off-by: Ganesh Vernekar <[email protected]> * [REFACTOR] Relabel: Remove unnecessary Process() function All uses can be replaced by ProcessBuilder, which is more efficient. Signed-off-by: Bryan Boreham <[email protected]> * promql: use Kahan summation for Native Histograms (#15687) As for float samples, Kahan summation is used for the `sum` and `avg` aggregation and for the respective `_over_time` functions. Kahan summation is not perfect. This commit also adds tests that even Kahan summation cannot reliably pass. These tests are commented out. Note that the behavior might be different on other hardware platforms. We have to keep an eye on test failing on other hardware platforms and adjust them accordingly. Signed-off-by: Aleksandr Smirnov <[email protected]> * fix(docs): typo in prometheus_agent.md doc Signed-off-by: Mohammad Abbasi <[email protected]> * AWS SD: ECS Standalone Tasks The current ECS role in AWS SD assumes that a task is part of a service. This means that tasks that are started as part of AWS Batch will get missed and not be discovered. This changed fixes this so that standalone tasks can be discovered as well. Signed-off-by: matt-gp <[email protected]> * AWS SD: Optmise MSK Role Signed-off-by: matt-gp <[email protected]> * promtool: support missing promql syntax features (#17926) Namely promql-duration-expr and promql-extended-range-selectors. This allows promtool to e.g. check rules files using syntax gated by these features. Signed-off-by: Ian Kerins <[email protected]> * Also run CI on release tags Make sure we also run the main CI workflow `v*` release tags so `publish_release` job is run. Signed-off-by: SuperQ <[email protected]> * chore(deps): bump github.com/hashicorp/consul/api from 1.32.0 to 1.33.2 (#17449) Bumps [github.com/hashicorp/consul/api](https://github.com/hashicorp/consul) from 1.32.0 to 1.33.2. - [Release notes](https://github.com/hashicorp/consul/releases) - [Changelog](https://github.com/hashicorp/consul/blob/main/CHANGELOG.md) - [Commits](hashicorp/consul@api/v1.32.0...api/v1.33.2) --- updated-dependencies: - dependency-name: github.com/hashicorp/consul/api dependency-version: 1.33.2 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <[email protected]> Signed-off-by: Arve Knudsen <[email protected]> Co-authored-by: Arve Knudsen <[email protected]> * AWS SD: Load Region Fallback (#18019) * AWS SD: Load Region Fallback --------- Signed-off-by: matt-gp <[email protected]> * Build riscv64 docker image by default (#17508) * Allow building riscv64 docker image Co-authored by: [email protected]; Signed-off-by: ffgan <[email protected]> * Update Makefile Co-authored-by: Ben Kochie <[email protected]> Signed-off-by: ffgan <[email protected]> --------- Signed-off-by: ffgan <[email protected]> Co-authored-by: Ben Kochie <[email protected]> * Increase Renovate speed (#18052) * Allow Renovate to run all day on the monthly day. * Increase the max PRs from 10 to 20. * Incresae the PR open rate from 2 to 5. Signed-off-by: SuperQ <[email protected]> * docs(api): clarify metadata vs remote protocols (#17481) Signed-off-by: György Krajcsovits <[email protected]> * tsdb/index: export sentinel error for symbol table size exceeded Signed-off-by: Patryk Prus <[email protected]> * Update Go dependencies for v3.10 release Signed-off-by: Ganesh Vernekar <[email protected]> * Kubernetes SD: Disable WatchListClient in tests Signed-off-by: Ganesh Vernekar <[email protected]> * Replace deprecated google.CredentialsFromJSON with option.WithAuthCredentialsFile Signed-off-by: Ganesh Vernekar <[email protected]> * chore(deps): update actions/checkout action to v4.3.1 (#18054) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> * chore(deps): update actions/cache action to v5.0.3 (#18053) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> * chore(deps): update actions/setup-go action to v6.2.0 (#18055) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> --------- Signed-off-by: Ganesh Vernekar <[email protected]> Signed-off-by: Bryan Boreham <[email protected]> Signed-off-by: Aleksandr Smirnov <[email protected]> Signed-off-by: Mohammad Abbasi <[email protected]> Signed-off-by: matt-gp <[email protected]> Signed-off-by: Ian Kerins <[email protected]> Signed-off-by: SuperQ <[email protected]> Signed-off-by: dependabot[bot] <[email protected]> Signed-off-by: Arve Knudsen <[email protected]> Signed-off-by: ffgan <[email protected]> Signed-off-by: György Krajcsovits <[email protected]> Signed-off-by: Patryk Prus <[email protected]> Co-authored-by: Ganesh Vernekar <[email protected]> Co-authored-by: Bryan Boreham <[email protected]> Co-authored-by: Sasha <[email protected]> Co-authored-by: Mohammad Abbasi <[email protected]> Co-authored-by: matt-gp <[email protected]> Co-authored-by: Ian Kerins <[email protected]> Co-authored-by: SuperQ <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Arve Knudsen <[email protected]> Co-authored-by: Julien <[email protected]> Co-authored-by: George Krajcsovits <[email protected]> Co-authored-by: ffgan <[email protected]> Co-authored-by: Patryk Prus <[email protected]> Co-authored-by: Ganesh Vernekar <[email protected]> Co-authored-by: Joe Adams <[email protected]> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Signed-off-by: György Krajcsovits <[email protected]>
Initial implementation of #17790. Only implements ST-per-sample for Counters. Tests and benchmarks updated. Note: This increases the size of the RefSample object for all users, whether st-per-sample is turned on or not. Signed-off-by: Owen Williams <[email protected]>
Merge remote-tracking branch 'origin/main' into feature/start-time
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/prombench main --bench.version=bench/st-storage |
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⏱️ Welcome to Prometheus Benchmarking Tool. ⏱️ Compared versions: Custom benchmark version: After the successful deployment (check status here), the benchmarking results can be viewed at: Available Commands:
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Signed-off-by: Bartlomiej Plotka <[email protected]>
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Benchmarking 
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Update documentation for st-storage feature
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Reviewed once again, also with AI, nothing big, so LGTM.
Signed-off-by: Bartlomiej Plotka <[email protected]>
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smoke test in a dev environment with real traffic looks great, no perf penalty observed whether enabled or disabled.
This was referenced Mar 17, 2026
#18316) * st: disconnect st-storage with xor2-encoding given planned experiments Signed-off-by: bwplotka <[email protected]> * Update docs/feature_flags.md Co-authored-by: George Krajcsovits <[email protected]> Signed-off-by: Bartlomiej Plotka <[email protected]> * Update docs/feature_flags.md Co-authored-by: George Krajcsovits <[email protected]> Signed-off-by: Bartlomiej Plotka <[email protected]> * Update docs/feature_flags.md Co-authored-by: George Krajcsovits <[email protected]> Signed-off-by: Bartlomiej Plotka <[email protected]> * Update docs/feature_flags.md Co-authored-by: George Krajcsovits <[email protected]> Signed-off-by: Bartlomiej Plotka <[email protected]> --------- Signed-off-by: bwplotka <[email protected]> Signed-off-by: Bartlomiej Plotka <[email protected]> Co-authored-by: George Krajcsovits <[email protected]>
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/prombench cancel |
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Benchmark cancel is in progress. |
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Final results with the 
With XOR2 I see ~7% higher heap use. The 3% is baseline of this PR (RefSampleV2), rest 4% seems to be from mem chunks append writing. Unrelated to ST itself (it's 0), perhaps something that @roidelapluie is already addressing. 
CPU is ~10% higher. ~3% is due to proto parsing, but rest looks like XOR2 reading and known env instability: 
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st-storage implementation (PROM-60)st-storage implementation (PROM-60) and initial xor2-encoding
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##### [\`v3.11.0\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.0) - \[CHANGE] Hetzner SD: The `__meta_hetzner_datacenter` label is deprecated for the role `robot` but kept for backward compatibility, use the `__meta_hetzner_robot_datacenter` label instead. For the role `hcloud`, the label is deprecated and will stop working after the 1 July 2026. [#17850](prometheus/prometheus#17850) - \[CHANGE] Hetzner SD: The `__meta_hetzner_hcloud_datacenter_location` and `__meta_hetzner_hcloud_datacenter_location_network_zone` labels are deprecated, use the `__meta_hetzner_hcloud_location` and `__meta_hetzner_hcloud_location_network_zone` labels instead. [#17850](prometheus/prometheus#17850) - \[CHANGE] Promtool: Redirect debug output to stderr to avoid interfering with stdout-based tool output. [#18346](prometheus/prometheus#18346) - \[FEATURE] AWS SD: Add Elasticache Role. [#18099](prometheus/prometheus#18099) - \[FEATURE] AWS SD: Add RDS Role. [#18206](prometheus/prometheus#18206) - \[FEATURE] Azure SD: Add support for Azure Workload Identity authentication method. [#17207](prometheus/prometheus#17207) - \[FEATURE] Discovery: Introduce `prometheus_sd_last_update_timestamp_seconds` metric to track the last time a service discovery update was sent to consumers. [#18194](prometheus/prometheus#18194) - \[FEATURE] Kubernetes SD: Add support for node role selectors for pod roles. [#18006](prometheus/prometheus#18006) - \[FEATURE] Kubernetes SD: Introduce pod-based labels for deployment, cronjob, and job controller names: `__meta_kubernetes_pod_deployment_name`, `__meta_kubernetes_pod_cronjob_name` and `__meta_kubernetes_pod_job_name`, respectively. [#17774](prometheus/prometheus#17774) - \[FEATURE] PromQL: Add `</` and `>/` operators for trimming observations from native histograms. [#17904](prometheus/prometheus#17904) - \[FEATURE] PromQL: Add experimental `histogram_quantiles` variadic function for computing multiple quantiles at once. [#17285](prometheus/prometheus#17285) - \[FEATURE] TSDB: Add `storage.tsdb.retention.percentage` configuration to configure the maximum percent of disk usable for TSDB storage. [#18080](prometheus/prometheus#18080) - \[FEATURE] TSDB: Add an experimental `fast-startup` feature flag that writes a `series_state.json` file to the WAL directory to track active series state across restarts. [#18303](prometheus/prometheus#18303) - \[FEATURE] TSDB: Add an experimental `st-storage` feature flag. When enabled, Prometheus stores ingested start timestamps (ST, previously called Created Timestamp) from scrape or OTLP in the TSDB and Agent WAL, and exposes them via Remote Write 2. [#18062](prometheus/prometheus#18062) - \[FEATURE] TSDB: Add an experimental `xor2-encoding` feature flag for the new TSDB block float sample chunk encoding that is optimized for scraped data and allows encoding start timestamps. [#18062](prometheus/prometheus#18062) - \[ENHANCEMENT] HTTP client: Add AWS `external_id` support for sigv4. [#17916](prometheus/prometheus#17916) - \[ENHANCEMENT] Kubernetes SD: Deduplicate deprecation warning logs from the Kubernetes API to reduce noise. [#17829](prometheus/prometheus#17829) - \[ENHANCEMENT] TSDB: Remove old temporary checkpoints when creating a Checkpoint. [#17598](prometheus/prometheus#17598) - \[ENHANCEMENT] UI: Add autocomplete support for experimental `first_over_time` and `ts_of_first_over_time` PromQL functions. [#18318](prometheus/prometheus#18318) - \[ENHANCEMENT] Vultr SD: Upgrade govultr library from v2 to v3 for continued security patches and maintenance. [#18347](prometheus/prometheus#18347) - \[PERF] PromQL: Improve performance and reduce heap allocations in joins (VectorBinop)/And/Or/Unless. [#17159](prometheus/prometheus#17159) - \[PERF] PromQL: Partially address performance regression in native histogram aggregations due to using `KahanAdd`. [#18252](prometheus/prometheus#18252) - \[PERF] Remote write: Optimize WAL watching used for RW sending to reuse internal buffers. [#18250](prometheus/prometheus#18250) - \[PERF] TSDB: Optimize LabelValues intersection performance for matchers. [#18069](prometheus/prometheus#18069) - \[PERF] UI: Skip restacking on hover in stacked series charts. [#18230](prometheus/prometheus#18230) - \[BUGFIX] AWS SD: Fix EC2 SD ignoring the configured `endpoint` option, a regression from the AWS SDK v2 migration. [#18133](prometheus/prometheus#18133) - \[BUGFIX] AWS SD: Fix panic in EC2 SD when DescribeAvailabilityZones returns nil ZoneName or ZoneId. [#18133](prometheus/prometheus#18133) - \[BUGFIX] Agent: Fix memory leak caused by duplicate SeriesRefs being loaded as active series. [#17538](prometheus/prometheus#17538) - \[BUGFIX] Alerting: Fix alert state incorrectly resetting to pending when the FOR period is increased in the config file. [#18244](prometheus/prometheus#18244) - \[BUGFIX] Azure SD: Fix system-assigned managed identity not working when `client_id` is empty. [#18323](prometheus/prometheus#18323) - \[BUGFIX] Consul SD: Fix filter parameter not being applied to health service endpoint, causing Node and Node.Meta filters to be ignored. [#17349](prometheus/prometheus#17349) - \[BUGFIX] Kubernetes SD: Fix duplicate targets generated by `*DualStack` EndpointSlices policies. [#18192](prometheus/prometheus#18192) - \[BUGFIX] OTLP: Fix ErrTooOldSample being returned as HTTP 500 instead of 400 in PRW v2 histogram write paths, preventing infinite client retry loops. [#18084](prometheus/prometheus#18084) - \[BUGFIX] OTLP: Fix exemplars getting mixed between incorrect parts of a histogram. [#18056](prometheus/prometheus#18056) - \[BUGFIX] PromQL: Do not skip histogram buckets in queries where histogram trimming is used. [#18263](prometheus/prometheus#18263) - \[BUGFIX] Remote write: Fix `prometheus_remote_storage_sent_batch_duration_seconds` measuring before the request was sent. [#18214](prometheus/prometheus#18214) - \[BUGFIX] Rules: Fix alert state restoration when rule labels contain Go template expressions. [#18375](prometheus/prometheus#18375) - \[BUGFIX] Scrape: Fix panic when parsing bare label names without an equal sign in brace-only metric notation. [#18229](prometheus/prometheus#18229) - \[BUGFIX] TSDB: Fail early when `use-uncached-io` feature flag is set on unsupported environments. [#18219](prometheus/prometheus#18219) - \[BUGFIX] TSDB: Fall back to CLI flag values when retention is removed from config file. [#18200](prometheus/prometheus#18200) - \[BUGFIX] TSDB: Fix memory leaks in buffer pools by clearing reference fields before returning buffers to pools. [#17895](prometheus/prometheus#17895) - \[BUGFIX] TSDB: Fix missing mmap of histogram chunks during WAL replay. [#18306](prometheus/prometheus#18306) - \[BUGFIX] TSDB: Fix storage.tsdb.retention.time unit mismatch in file causing retention to be 1e6 times longer than configured. [#18200](prometheus/prometheus#18200) - \[BUGFIX] Tracing: Fix missing traceID in query log when tracing is enabled, previously only spanID was emitted. [#18189](prometheus/prometheus#18189) - \[BUGFIX] UI: Fix tooltip Y-offset drift when using multiple graph panels. [#18228](prometheus/prometheus#18228) - \[BUGFIX] UI: Update retention display in runtime info when config is reloaded. [#18200](prometheus/prometheus#18200)
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##### [\`v3.11.0\`](https://github.com/prometheus/prometheus/releases/tag/v3.11.0) - \[CHANGE] Hetzner SD: The `__meta_hetzner_datacenter` label is deprecated for the role `robot` but kept for backward compatibility, use the `__meta_hetzner_robot_datacenter` label instead. For the role `hcloud`, the label is deprecated and will stop working after the 1 July 2026. [#17850](prometheus/prometheus#17850) - \[CHANGE] Hetzner SD: The `__meta_hetzner_hcloud_datacenter_location` and `__meta_hetzner_hcloud_datacenter_location_network_zone` labels are deprecated, use the `__meta_hetzner_hcloud_location` and `__meta_hetzner_hcloud_location_network_zone` labels instead. [#17850](prometheus/prometheus#17850) - \[CHANGE] Promtool: Redirect debug output to stderr to avoid interfering with stdout-based tool output. [#18346](prometheus/prometheus#18346) - \[FEATURE] AWS SD: Add Elasticache Role. [#18099](prometheus/prometheus#18099) - \[FEATURE] AWS SD: Add RDS Role. [#18206](prometheus/prometheus#18206) - \[FEATURE] Azure SD: Add support for Azure Workload Identity authentication method. [#17207](prometheus/prometheus#17207) - \[FEATURE] Discovery: Introduce `prometheus_sd_last_update_timestamp_seconds` metric to track the last time a service discovery update was sent to consumers. [#18194](prometheus/prometheus#18194) - \[FEATURE] Kubernetes SD: Add support for node role selectors for pod roles. [#18006](prometheus/prometheus#18006) - \[FEATURE] Kubernetes SD: Introduce pod-based labels for deployment, cronjob, and job controller names: `__meta_kubernetes_pod_deployment_name`, `__meta_kubernetes_pod_cronjob_name` and `__meta_kubernetes_pod_job_name`, respectively. [#17774](prometheus/prometheus#17774) - \[FEATURE] PromQL: Add `</` and `>/` operators for trimming observations from native histograms. [#17904](prometheus/prometheus#17904) - \[FEATURE] PromQL: Add experimental `histogram_quantiles` variadic function for computing multiple quantiles at once. [#17285](prometheus/prometheus#17285) - \[FEATURE] TSDB: Add `storage.tsdb.retention.percentage` configuration to configure the maximum percent of disk usable for TSDB storage. [#18080](prometheus/prometheus#18080) - \[FEATURE] TSDB: Add an experimental `fast-startup` feature flag that writes a `series_state.json` file to the WAL directory to track active series state across restarts. [#18303](prometheus/prometheus#18303) - \[FEATURE] TSDB: Add an experimental `st-storage` feature flag. When enabled, Prometheus stores ingested start timestamps (ST, previously called Created Timestamp) from scrape or OTLP in the TSDB and Agent WAL, and exposes them via Remote Write 2. [#18062](prometheus/prometheus#18062) - \[FEATURE] TSDB: Add an experimental `xor2-encoding` feature flag for the new TSDB block float sample chunk encoding that is optimized for scraped data and allows encoding start timestamps. [#18062](prometheus/prometheus#18062) - \[ENHANCEMENT] HTTP client: Add AWS `external_id` support for sigv4. [#17916](prometheus/prometheus#17916) - \[ENHANCEMENT] Kubernetes SD: Deduplicate deprecation warning logs from the Kubernetes API to reduce noise. [#17829](prometheus/prometheus#17829) - \[ENHANCEMENT] TSDB: Remove old temporary checkpoints when creating a Checkpoint. [#17598](prometheus/prometheus#17598) - \[ENHANCEMENT] UI: Add autocomplete support for experimental `first_over_time` and `ts_of_first_over_time` PromQL functions. [#18318](prometheus/prometheus#18318) - \[ENHANCEMENT] Vultr SD: Upgrade govultr library from v2 to v3 for continued security patches and maintenance. [#18347](prometheus/prometheus#18347) - \[PERF] PromQL: Improve performance and reduce heap allocations in joins (VectorBinop)/And/Or/Unless. [#17159](prometheus/prometheus#17159) - \[PERF] PromQL: Partially address performance regression in native histogram aggregations due to using `KahanAdd`. [#18252](prometheus/prometheus#18252) - \[PERF] Remote write: Optimize WAL watching used for RW sending to reuse internal buffers. [#18250](prometheus/prometheus#18250) - \[PERF] TSDB: Optimize LabelValues intersection performance for matchers. [#18069](prometheus/prometheus#18069) - \[PERF] UI: Skip restacking on hover in stacked series charts. [#18230](prometheus/prometheus#18230) - \[BUGFIX] AWS SD: Fix EC2 SD ignoring the configured `endpoint` option, a regression from the AWS SDK v2 migration. [#18133](prometheus/prometheus#18133) - \[BUGFIX] AWS SD: Fix panic in EC2 SD when DescribeAvailabilityZones returns nil ZoneName or ZoneId. [#18133](prometheus/prometheus#18133) - \[BUGFIX] Agent: Fix memory leak caused by duplicate SeriesRefs being loaded as active series. [#17538](prometheus/prometheus#17538) - \[BUGFIX] Alerting: Fix alert state incorrectly resetting to pending when the FOR period is increased in the config file. [#18244](prometheus/prometheus#18244) - \[BUGFIX] Azure SD: Fix system-assigned managed identity not working when `client_id` is empty. [#18323](prometheus/prometheus#18323) - \[BUGFIX] Consul SD: Fix filter parameter not being applied to health service endpoint, causing Node and Node.Meta filters to be ignored. [#17349](prometheus/prometheus#17349) - \[BUGFIX] Kubernetes SD: Fix duplicate targets generated by `*DualStack` EndpointSlices policies. [#18192](prometheus/prometheus#18192) - \[BUGFIX] OTLP: Fix ErrTooOldSample being returned as HTTP 500 instead of 400 in PRW v2 histogram write paths, preventing infinite client retry loops. [#18084](prometheus/prometheus#18084) - \[BUGFIX] OTLP: Fix exemplars getting mixed between incorrect parts of a histogram. [#18056](prometheus/prometheus#18056) - \[BUGFIX] PromQL: Do not skip histogram buckets in queries where histogram trimming is used. [#18263](prometheus/prometheus#18263) - \[BUGFIX] Remote write: Fix `prometheus_remote_storage_sent_batch_duration_seconds` measuring before the request was sent. [#18214](prometheus/prometheus#18214) - \[BUGFIX] Rules: Fix alert state restoration when rule labels contain Go template expressions. [#18375](prometheus/prometheus#18375) - \[BUGFIX] Scrape: Fix panic when parsing bare label names without an equal sign in brace-only metric notation. [#18229](prometheus/prometheus#18229) - \[BUGFIX] TSDB: Fail early when `use-uncached-io` feature flag is set on unsupported environments. [#18219](prometheus/prometheus#18219) - \[BUGFIX] TSDB: Fall back to CLI flag values when retention is removed from config file. [#18200](prometheus/prometheus#18200) - \[BUGFIX] TSDB: Fix memory leaks in buffer pools by clearing reference fields before returning buffers to pools. [#17895](prometheus/prometheus#17895) - \[BUGFIX] TSDB: Fix missing mmap of histogram chunks during WAL replay. [#18306](prometheus/prometheus#18306) - \[BUGFIX] TSDB: Fix storage.tsdb.retention.time unit mismatch in file causing retention to be 1e6 times longer than configured. [#18200](prometheus/prometheus#18200) - \[BUGFIX] Tracing: Fix missing traceID in query log when tracing is enabled, previously only spanID was emitted. [#18189](prometheus/prometheus#18189) - \[BUGFIX] UI: Fix tooltip Y-offset drift when using multiple graph panels. [#18228](prometheus/prometheus#18228) - \[BUGFIX] UI: Update retention display in runtime info when config is reloaded. [#18200](prometheus/prometheus#18200)
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Which issue(s) does the PR fix:
PROM-60
Does this PR introduce a user-facing change?