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chencs committed Dec 9, 2024
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8 changes: 4 additions & 4 deletions docs/sources/mimir/release-notes/v2.15.md
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Expand Up @@ -39,7 +39,7 @@ HTTP client settings can now be tuned for GCS and Azure backends via an `http` b

The compactor now refreshes deletion marks concurrently when updating the bucket index.

The number of Memcached replicas can now be independently set for each type of cache.
The number of Memcached replicas for each type of cache can now be set using configuration settings when using jsonnet.

## Important changes

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The following deprecated configuration options were removed in this release:

- `-distributor.direct-otlp-translation-enabled`, which has been enabled by default since 2.13 and is now considered stable.
- `query-scheduler.prioritize-query-components`, which is always enabled now
- `-query-scheduler.prioritize-query-components`, which is always enabled now
- `-ingest-storage.kafka.ongoing-records-per-fetch` and `-ingest-storage.kafka.startup-records-per-fetch`, which have been removed in favour of `-ingest-storage.kafka.max-buffered-bytes`

## Experimental features
Expand All @@ -79,13 +79,13 @@ Use these features with caution and report any issues that you encounter:

A streaming PromQL engine can now be enabled with `-querier.query-engine=mimir`.

The query-frontend can now cache non-transient errors using the experimental flags `query-frontend.cache-errors` and `query-frontend.results-cache-ttl-for-errors`.
The query-frontend can now cache non-transient errors using the experimental flags `-query-frontend.cache-errors` and `-query-frontend.results-cache-ttl-for-errors`.

The query-frontend and querier both support an experimental PromQL function, `double_exponential_smoothing`, which can be enabled by setting `-querier.promql-experimental-functions-enabled=true` or `-query-frontend.promql-experimental-functions-enabled=true`.

The ingester can now support out-of-order native histogram ingestion via the flag `-ingester.ooo-native-histograms-ingestion-enabled`.

The ingester can now build 24h blocks for OOO data which is >24h old, using the setting `-blocks-storage.tsdb.bigger-out-of-order-blocks-for-old-samples`.
The ingester can now build 24h blocks for out-of-order data which is >24h old, using the setting `-blocks-storage.tsdb.bigger-out-of-order-blocks-for-old-samples`.

The ruler now supports caching the contents of rule groups via the setting `-ruler-storage.cache.rule-group-enabled`.

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