Cortex

This release contains 227 contributions from 27 contributors. We also have 10 new contributors. Thank you all for the contribution!

Some notable changes release are:
* Store Gateway multilevel index cache
* Object storage backend for runtime config
* Disable specific rule groups in Ruler
* List rules supports filtering by rule name, rule group and file
* Allow tenant shard size to be a percent of total instances for Querier and Store Gateway
* Various improvement on metrics

[CHANGE] AlertManager: include reason label in cortex_alertmanager_notifications_failed_total. #5409
[CHANGE] Ruler: Added user label to cortex_ruler_write_requests_total, cortex_ruler_write_requests_failed_total, cortex_ruler_queries_total, and cortex_ruler_queries_failed_total metrics. #5312
[CHANGE] Alertmanager: Validating new fields on the PagerDuty AM config. #5290
[CHANGE] Ingester: Creating label native-histogram-sample on the cortex_discarded_samples_total to keep track of discarded native histogram samples. #5289
[CHANGE] Store Gateway: Rename cortex_bucket_store_cached_postings_compression_time_seconds to cortex_bucket_store_cached_postings_compression_time_seconds_total. #5431
[CHANGE] Store Gateway: Rename cortex_bucket_store_cached_series_fetch_duration_seconds to cortex_bucket_store_series_fetch_duration_seconds and cortex_bucket_store_cached_postings_fetch_duration_seconds to cortex_bucket_store_postings_fetch_duration_seconds. Add new metric cortex_bucket_store_chunks_fetch_duration_seconds. #5448
[CHANGE] Store Gateway: Remove idle_timeout, max_conn_age, pool_size, min_idle_conns fields for Redis index cache and caching bucket. #5448
[CHANGE] Store Gateway: Add flag -store-gateway.sharding-ring.zone-stable-shuffle-sharding to enable store gateway to use zone stable shuffle sharding. #5489
[CHANGE] Bucket Index: Add series_max_size and chunk_max_size to bucket index. #5489
[CHANGE] StoreGateway: Rename cortex_bucket_store_chunk_pool_returned_bytes_total and cortex_bucket_store_chunk_pool_requested_bytes_total to cortex_bucket_store_chunk_pool_operation_bytes_total. #5552
[CHANGE] Query Frontend/Querier: Make build info API disabled by default and add feature flag api.build-info-enabled to enable it. #5533
[CHANGE] Purger: Do no use S3 tenant kms key when uploading deletion marker. #5575
[CHANGE] Ingester: Shipper always allows uploading compacted blocks to ship OOO compacted blocks. #5625
[CHANGE] DDBKV: Change metric name from dynamodb_kv_read_capacity_total to dynamodb_kv_consumed_capacity_total and include Delete, Put, Batch dimension. #5487
[CHANGE] Compactor: Adding the userId on the compact dir path. #5524
[CHANGE] Ingester: Remove deprecated ingester metrics. #5472
[FEATURE] Store Gateway: Implementing multi level index cache. #5451
[FEATURE] Ruler: Add support for disabling rule groups. #5521
[FEATURE] Support object storage backends for runtime configuration file. #5292
[FEATURE] Ruler: Add support for Limit field on RuleGroup. #5528
[FEATURE] AlertManager: Add support for Webex, Discord and Telegram Receiver. #5493
[FEATURE] Ingester: added -admin-limit-message to customize the message contained in limit errors.#5460
[FEATURE] AlertManager: Update version to v0.26.0 and bring in Microsoft Teams receiver. #5543
[FEATURE] Store Gateway: Support lazy expanded posting optimization. Added new flag blocks-storage.bucket-store.lazy-expanded-postings-enabled and new metrics cortex_bucket_store_lazy_expanded_postings_total, cortex_bucket_store_lazy_expanded_posting_size_bytes_total and cortex_bucket_store_lazy_expanded_posting_series_overfetched_size_bytes_total. #5556.
[FEATURE] Store Gateway: Add max_downloaded_bytes_per_request to limit max bytes to download per store gateway request. #5179
[FEATURE] Added 2 flags -alertmanager.alertmanager-client.grpc-max-send-msg-size and -alertmanager.alertmanager-client.grpc-max-recv-msg-size to configure alert manager grpc client message size limits. #5338
[FEATURE] Querier/StoreGateway: Allow the tenant shard sizes to be a percent of total instances. #5393
[FEATURE] Added the flag -alertmanager.api-concurrency to configure alert manager api concurrency limit. #5412
[FEATURE] Store Gateway: Add -store-gateway.sharding-ring.keep-instance-in-the-ring-on-shutdown to skip unregistering instance from the ring in shutdown. #5421
[FEATURE] Ruler: Support for filtering rules in the API. #5417
[FEATURE] Compactor: Add -compactor.ring.tokens-file-path to store generated tokens locally. #5432
[FEATURE] Query Frontend: Add -frontend.retry-on-too-many-outstanding-requests to re-enqueue 429 requests if there are multiple query-schedulers available. #5496
[FEATURE] Store Gateway: Add -blocks-storage.bucket-store.max-inflight-requests for store gateways to reject further series requests upon reaching the limit. #5553
[FEATURE] Store Gateway: Support filtered index cache. #5587
[ENHANCEMENT] Update go version to 1.21.3. #5630
[ENHANCEMENT] Store Gateway: Add cortex_bucket_store_block_load_duration_seconds histogram to track time to load blocks. #5580
[ENHANCEMENT] Querier: retry chunk pool exhaustion error in querier rather than query frontend. #5569
[ENHANCEMENT] Alertmanager: Added flag -alertmanager.alerts-gc-interval to configure alerts Garbage collection interval. #5550
[ENHANCEMENT] Query Frontend: enable vertical sharding on binary expr . #5507
[ENHANCEMENT] Query Frontend: Include user agent as part of query frontend log. #5450
[ENHANCEMENT] Query: Set CORS Origin headers for Query API #5388
[ENHANCEMENT] Query Frontend: Add cortex_rejected_queries_total metric for throttled queries. #5356
[ENHANCEMENT] Query Frontend: Optimize the decoding of SampleStream. #5349
[ENHANCEMENT] Compactor: Check ctx done when uploading visit marker. #5333
[ENHANCEMENT] AlertManager: Add cortex_alertmanager_dispatcher_aggregation_groups and cortex_alertmanager_dispatcher_alert_processing_duration_seconds metrics for dispatcher. #5592
[ENHANCEMENT] Store Gateway: Added new flag blocks-storage.bucket-store.series-batch-size to control how many series to fetch per batch in Store Gateway. #5582.
[ENHANCEMENT] Querier: Log query stats when querying store gateway. #5376
[ENHANCEMENT] Ruler: Add cortex_ruler_rule_group_load_duration_seconds and cortex_ruler_rule_group_sync_duration_seconds metrics. #5609
[ENHANCEMENT] Ruler: Add contextual info and query statistics to log #5604
[ENHANCEMENT] Distributor/Ingester: Add span on push path #5319
[ENHANCEMENT] Query Frontend: Reject subquery with too small step size. #5323
[ENHANCEMENT] Compactor: Exposing Thanos accept-malformed-index to Cortex compactor. #5334
[ENHANCEMENT] Log: Avoid expensive log.Valuer evaluation for disallowed levels. #5297
[ENHANCEMENT] Improving Performance on the API Gzip Handler. #5347
[ENHANCEMENT] Dynamodb: Add puller-sync-time to allow different pull time for ring. #5357
[ENHANCEMENT] Emit querier max_concurrent as a metric. #5362
[ENHANCEMENT] Avoid sort tokens on lifecycler autoJoin. #5394
[ENHANCEMENT] Do not resync blocks in running store gateways during rollout deployment and container restart. #5363
[ENHANCEMENT] Store Gateway: Add new metrics cortex_bucket_store_sent_chunk_size_bytes, cortex_bucket_store_postings_size_bytes and cortex_bucket_store_empty_postings_total. #5397
[ENHANCEMENT] Add jitter to lifecycler heartbeat. #5404
[ENHANCEMENT] Store Gateway: Add config estimated_max_series_size_bytes and estimated_max_chunk_size_bytes to address data overfetch. #5401
[ENHANCEMENT] Distributor/Ingester: Add experimental -distributor.sign_write_requests flag to sign the write requests. #5430
[ENHANCEMENT] Store Gateway/Querier/Compactor: Handling CMK Access Denied errors. #5420 #5442 #5446
[ENHANCEMENT] Alertmanager: Add the alert name in error log when it get throttled. #5456
[ENHANCEMENT] Querier: Retry store gateway on different zones when zone awareness is enabled. #5476
[ENHANCEMENT] Compactor: allow unregister_on_shutdown to be configurable. #5503
[ENHANCEMENT] Querier: Batch adding series to query limiter to optimize locking. #5505
[ENHANCEMENT] Store Gateway: add metric cortex_bucket_store_chunk_refetches_total for number of chunk refetches. #5532
[ENHANCEMENT] BasicLifeCycler: allow final-sleep during shutdown #5517
[ENHANCEMENT] All: Handling CMK Access Denied errors. #5420 #5542
[ENHANCEMENT] Querier: Retry store gateway client connection closing gRPC error. #5558
[ENHANCEMENT] QueryFrontend: Add generic retry for all APIs. #5561.
[ENHANCEMENT] Querier: Check context before notifying scheduler and frontend. #5565
[ENHANCEMENT] QueryFrontend: Add metric for number of series requests. #5373
[ENHANCEMENT] Store Gateway: Add histogram metrics for total time spent fetching series and chunks per request. #5573
[ENHANCEMENT] Store Gateway: Check context in multi level cache. Add cortex_store_multilevel_index_cache_fetch_duration_seconds and cortex_store_multilevel_index_cache_backfill_duration_seconds to measure fetch and backfill latency. #5596
[ENHANCEMENT] Ingester: Added new ingester TSDB metrics cortex_ingester_tsdb_head_samples_appended_total, cortex_ingester_tsdb_head_out_of_order_samples_appended_total, cortex_ingester_tsdb_snapshot_replay_error_total, cortex_ingester_tsdb_sample_ooo_delta and cortex_ingester_tsdb_mmap_chunks_total. #5624
[ENHANCEMENT] Query Frontend: Handle context error before decoding and merging responses. #5499
[ENHANCEMENT] Store-Gateway and AlertManager: Add a wait_instance_time_out to context to avoid waiting forever. #5581
[BUGFIX] Compactor: Fix possible division by zero during compactor config validation. #5535
[BUGFIX] Ruler: Validate if rule group can be safely converted back to rule group yaml from protobuf message #5265
[BUGFIX] Querier: Convert gRPC ResourceExhausted status code from store gateway to 422 limit error. #5286
[BUGFIX] Alertmanager: Route web-ui requests to the alertmanager distributor when sharding is enabled. #5293
[BUGFIX] Storage: Bucket index updater should ignore meta not found for partial blocks. #5343
[BUGFIX] Ring: Add JOINING state to read operation. #5346
[BUGFIX] Compactor: Partial block with only visit marker should be deleted even there is no deletion marker. #5342
[BUGFIX] KV: Etcd calls will no longer block indefinitely and will now time out after the DialTimeout period. #5392
[BUGFIX] Ring: Allow RF greater than number of zones to select more than one instance per zone #5411
[BUGFIX] Store Gateway: Fix bug in store gateway ring comparison logic. #5426
[BUGFIX] Ring: Fix bug in consistency of Get func in a scaling zone-aware ring. #5429
[BUGFIX] Compactor: Fix retry on markers. #5441
[BUGFIX] Query Frontend: Fix bug of failing to cancel downstream request context in query frontend v2 mode (query scheduler enabled). #5447
[BUGFIX] Alertmanager: Remove the user id from state replication key metric label value. #5453
[BUGFIX] Compactor: Avoid cleaner concurrency issues checking global markers before all blocks. #5457
[BUGFIX] DDBKV: Disallow instance with older timestamp to update instance with newer timestamp. #5480
[BUGFIX] DDBKV: When no change detected in ring, retry the CAS until there is change. #5502
[BUGFIX] Fix bug on objstore when configured to use S3 fips endpoints. #5540
[BUGFIX] Ruler: Fix bug on ruler where a failure to load a single RuleGroup would prevent rulers to sync all RuleGroup. #5563

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