Prepare Release 2.10-rc.0 CHANGELOG.md (#5856)

Ref: #5849

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>

CHANGELOG.md

@@ -4,8 +4,26 @@
 
 ### Grafana Mimir
 
+### Mixin
+
+### Jsonnet
+
+### Mimirtool
+
+### Mimir Continuous Test
+
+### Query-tee
+
+### Documentation
+
+### Tools
+
+## 2.10.0-rc.0
+
+### Grafana Mimir
+
 * [CHANGE] Update Go version to 1.21.0. #5734
-* [CHANGE] Store-gateway: skip verifying index header integrity upon loading. To enable verification set `blocks_storage.bucket_store.index_header.verify_on_load: true`.
+* [CHANGE] Store-gateway: skip verifying index header integrity upon loading. To enable verification set `blocks_storage.bucket_store.index_header.verify_on_load: true`. #5174
 * [CHANGE] Querier: change the default value of the experimental `-querier.streaming-chunks-per-ingester-buffer-size` flag to 256. #5203
 * [CHANGE] Querier: only initiate query requests to ingesters in the `ACTIVE` state in the ring. #5342
 * [CHANGE] Querier: Renamed `-querier.prefer-streaming-chunks` to `-querier.prefer-streaming-chunks-from-ingesters` to enable streaming chunks from ingesters to queriers. #5182
@@ -28,7 +46,7 @@
 * [FEATURE] Query-frontend: added experimental support to cache cardinality, label names and label values query responses. The cache will be used when `-query-frontend.cache-results` is enabled, and `-query-frontend.results-cache-ttl-for-cardinality-query` or `-query-frontend.results-cache-ttl-for-labels-query` set to a value greater than 0. The following metrics have been added to track the query results cache hit ratio per `request_type`: #5212 #5235 #5426 #5524
   * `cortex_frontend_query_result_cache_requests_total{request_type="query_range|cardinality|label_names_and_values"}`
   * `cortex_frontend_query_result_cache_hits_total{request_type="query_range|cardinality|label_names_and_values"}`
-* [FEATURE] Added `-<prefix>.s3.list-objects-version` flag to configure the S3 list objects version.
+* [FEATURE] Added `-<prefix>.s3.list-objects-version` flag to configure the S3 list objects version. #5099
 * [FEATURE] Ingester: Add optional CPU/memory utilization based read request limiting, considered experimental. Disabled by default, enable by configuring limits via both of the following flags: #5012 #5392 #5394 #5526 #5508 #5704
   * `-ingester.read-path-cpu-utilization-limit`
   * `-ingester.read-path-memory-utilization-limit`
@@ -96,6 +114,10 @@
 * [ENHANCEMENT] Querier: improve observability of calls to store-gateways during queries. #5809
 * [ENHANCEMENT] Query-frontend: improve tracing of interactions with query-scheduler. #5818
 * [ENHANCEMENT] Query-scheduler: improve tracing of requests when request is rejected by query-scheduler. #5848
+* [ENHANCEMENT] Ingester: avoid logging some errors that could cause logging contention. #5494 #5581
+* [ENHANCEMENT] Store-gateway: wait for query gate after loading blocks. #5507
+* [ENHANCEMENT] Store-gateway: always include `__name__` posting group in selection in order to reduce the number of object storage API calls. #5246
+* [ENHANCEMENT] Ingester: track active series by ref instead of hash/labels to reduce memory usage. #5134 #5193
 * [BUGFIX] Ingester: Handle when previous ring state is leaving and the number of tokens has changed. #5204
 * [BUGFIX] Querier: fix issue where queries that use the `timestamp()` function fail with `execution: attempted to read series at index 0 from stream, but the stream has already been exhausted` if streaming chunks from ingesters to queriers is enabled. #5370
 * [BUGFIX] memberlist: bring back `memberlist_client_kv_store_count` metric that used to exist in Cortex, but got lost during dskit updates before Mimir 2.0. #5377
@@ -151,7 +173,7 @@
 * [ENHANCEMENT] Distributor: dynamically set `GOMAXPROCS` based on the CPU request. This should reduce distributor CPU utilization, assuming the CPU request is set to a value close to the actual utilization. #5588
 * [ENHANCEMENT] Querier: dynamically set `GOMAXPROCS` based on the CPU request. This should reduce noisy neighbour issues created by the querier, whose CPU utilization could eventually saturate the Kubernetes node if unbounded. #5646 #5658
 * [ENHANCEMENT] Allow to remove an entry from the configured environment variable for a given component, setting the environment value to `null` in the `*_env_map` objects (e.g. `store_gateway_env_map+:: { 'field': null}`). #5599
-* [ENHANCEMENT] Allow overriding the default number of replicas for `etcd`.
+* [ENHANCEMENT] Allow overriding the default number of replicas for `etcd`. #5589
 * [ENHANCEMENT] Memcached: reduce memory request for results, chunks and metadata caches. The requested memory is 5% greater than the configured memcached max cache size. #5661
 * [ENHANCEMENT] Autoscaling: Add the following configuration options to fine tune autoscaler target utilization: #5679 #5682 #5689
   * `autoscaling_querier_target_utilization` (defaults to `0.75`)
@@ -194,7 +216,7 @@
 
 * [CHANGE] copyblocks: add support for S3 and the ability to copy between different object storage services. Due to this, the `-source-service` and `-destination-service` flags are now required and the `-service` flag has been removed. #5486
 * [FEATURE] undelete-block-gcs: Added new tool for undeleting blocks on GCS storage. #5610 #5855
-* [FEATURE] wal-reader: Added new tool for printing entries in TSDB WAL.
+* [FEATURE] wal-reader: Added new tool for printing entries in TSDB WAL. #5780
 * [ENHANCEMENT] ulidtime: add -seconds flag to print timestamps as Unix timestamps. #5621
 * [ENHANCEMENT] ulidtime: exit with status code 1 if some ULIDs can't be parsed. #5621
 * [ENHANCEMENT] tsdb-index-toc: added index-header size estimates. #5652