tempo/CHANGELOG.md

main / unreleased

• [CHANGE] Add json struct tags to overrides' Limits struct in addition to yaml tags. #656
• [CHANGE] Update to Go 1.16, latest OpenTelemetry proto definition and collector #546
• [CHANGE] max_spans_per_trace limit override has been removed in favour of max_bytes_per_trace. This is a breaking change to the overrides config section. #612
• [CHANGE] Add new flag -ingester.lifecycler.ID to manually override the ingester ID with which to register in the ring. #625
• [CHANGE] ingestion_rate_limit limit override has been removed in favour of ingestion_rate_limit_bytes. ingestion_burst_size limit override has been removed in favour of ingestion_burst_size_bytes. This is a breaking change to the overrides config section. #630
• [FEATURE] Add page based access to the index file. #557
• [FEATURE] WAL Compression/checksums. #638
• [ENHANCEMENT] Add a Shutdown handler to flush data to backend, at "/shutdown". #526
• [ENHANCEMENT] Queriers now query all (healthy) ingesters for a trace to mitigate 404s on ingester rollouts/scaleups. This is a breaking change and will likely result in query errors on rollout as the query signature b/n QueryFrontend & Querier has changed. #557
• [ENHANCEMENT] Add list compaction-summary command to tempo-cli #588
• [ENHANCEMENT] Add list and view index commands to tempo-cli #611
• [ENHANCEMENT] Add a configurable prefix for HTTP endpoints. #631
• [ENHANCEMENT] Add kafka receiver. #613
• [ENHANCEMENT] Upgrade OTel collector to v0.21.0. #613
• [ENHANCEMENT] Add support for Cortex Background Cache. #640
• [BUGFIX] Fixes permissions errors on startup in GCS. #554
• [BUGFIX] Fixes error where Dell ECS cannot list objects. #561
• [BUGFIX] Fixes listing blocks in S3 when the list is truncated. #567
• [BUGFIX] Fixes where ingester may leave file open #570
• [BUGFIX] Fixes a bug where some blocks were not searched due to query sharding and randomness in blocklist poll. #583
• [BUGFIX] Fixes issue where wal was deleted before successful flush and adds exponential backoff for flush errors #593
• [BUGFIX] Fixes issue where Tempo would not parse odd length trace ids #605
• [BUGFIX] Sort traces on flush to reduce unexpected recombination work by compactors #606
• [BUGFIX] Ingester fully persists blocks locally to reduce amount of work done after restart #628

v0.6.0

• [CHANGE] Fixed ingester latency spikes on read #461
• [CHANGE] Ingester cut blocks based on size instead of trace count. Replace ingester traces_per_block setting with max_block_bytes. This is a breaking change. #474
• [CHANGE] Refactor cache section in tempodb. This is a breaking change b/c the cache config section has changed. #485
• [CHANGE] New compactor setting for max block size data instead of traces. #520
• [CHANGE] Change default ingester_client compression from gzip to snappy. #522
• [CHANGE/BUGFIX] Rename tempodb_compaction_objects_written and tempodb_compaction_bytes_written metrics to tempodb_compaction_objects_written_total and tempodb_compaction_bytes_written_total. #524
• [CHANGE] Replace tempo-cli list block --check-dupes option with --scan and collect additional stats #534
• [FEATURE] Added block compression. This is a breaking change b/c some configuration fields moved. #504
• [CHANGE] Drop Vulture Loki dependency. This is a breaking change. #509
• [ENHANCEMENT] Serve config at the "/config" endpoint. #446
• [ENHANCEMENT] Switch blocklist polling and retention to different concurrency mechanism, add configuration options. #475
• [ENHANCEMENT] Add S3 options region and forcepathstyle #431
• [ENHANCEMENT] Add exhaustive search to combine traces from all blocks in the backend. #489
• [ENHANCEMENT] Add per-tenant block retention #77
• [ENHANCEMENT] Change index-downsample to index-downsample-bytes. This is a breaking change #519
• [BUGFIX] Upgrade cortex dependency to v1.7.0-rc.0+ to address issue with forgetting ring membership #442 #512
• [BUGFIX] No longer raise the tempodb_blocklist_poll_errors_total metric if a block doesn't have meta or compacted meta. #481]
• [BUGFIX] Replay wal completely before ingesting new spans. #525

v0.5.0

• [CHANGE] Redo tempo-cli with basic command structure and improvements #385
• [CHANGE] Add content negotiation support and sharding parameters to Querier #375
• [CHANGE] Remove S3 automatic bucket creation #404
• [CHANGE] Compactors should round robin tenants instead of choosing randomly #420
• [CHANGE] Switch distributor->ingester communication to more efficient PushBytes method. This is a breaking change when running in microservices mode with separate distributors and ingesters. To prevent errors ingesters must be fully upgraded first, then distributors.
• [CHANGE] Removed disk_cache. This is a breaking change b/c there is no disk cache. Please use redis or memcached. #441
• [CHANGE] Rename IngestionMaxBatchSize to IngestionBurstSize. This is a breaking change. #445
• [ENHANCEMENT] Add docker-compose example for GCS along with new backend options #397
• [ENHANCEMENT] tempo-cli list blocks usability improvements #403
• [ENHANCEMENT] Reduce active traces locking time. #449
• [ENHANCEMENT] Added tempo_distributor_bytes_received_total as a per tenant counter of uncompressed bytes received. #453
• [BUGFIX] Compactor without GCS permissions fail silently #379
• [BUGFIX] Prevent race conditions between querier polling and ingesters clearing complete blocks #421
• [BUGFIX] Exclude blocks in last active window from compaction #411
• [BUGFIX] Mixin: Ignore metrics and query-frontend route when checking for TempoRequestLatency alert. #440
• [FEATURE] Add support for Azure Blob Storage backend #340
• [FEATURE] Add Query Frontend module to allow scaling the query path #400

v0.4.0

• [CHANGE] From path.Join to filepath.Join #338
• [CHANGE] Upgrade Cortex from v1.3.0 to v.1.4.0 #341
• [CHANGE] Compact more than 2 blocks at a time #348
• [CHANGE] Remove tempodb_compaction_duration_seconds metric. #360
• [ENHANCEMENT] Add tempodb_compaction_objects_combined metric. #339
• [ENHANCEMENT] Added OpenMetrics exemplar support. #359
• [ENHANCEMENT] Add tempodb_compaction_objects_written metric. #360
• [ENHANCEMENT] Add tempodb_compaction_bytes_written metric. #360
• [ENHANCEMENT] Add tempodb_compaction_blocks_total metric. #360
• [ENHANCEMENT] Add support for S3 V2 signatures. #352
• [ENHANCEMENT] Add support for Redis caching. #354
• [BUGFIX] Frequent errors logged by compactor regarding meta not found #327
• [BUGFIX] Fix distributors panicking on rollout #343
• [BUGFIX] Fix ingesters occassionally double flushing #364
• [BUGFIX] Fix S3 backend logs "unsupported value type" #381

v0.3.0

• [CHANGE] Bloom filters are now sharded to reduce size and improve caching, as blocks grow. This is a breaking change and all data stored before this change will not be queryable. #192
• [CHANGE] Rename maintenance cycle to blocklist poll. #315
• [ENHANCEMENT] CI checks for vendored dependencies using make vendor-check. Update CONTRIBUTING.md to reflect the same before checking in files in a PR. #274
• [ENHANCEMENT] Add warnings for suspect configs. #294
• [ENHANCEMENT] Add command line flags for s3 credentials. #308
• [ENHANCEMENT] Support multiple authentication methods for S3 (IRSA, IAM role, static). #320
• [ENHANCEMENT] Add per tenant bytes counter. #331
• [BUGFIX] S3 multi-part upload errors #306
• [BUGFIX] Increase Prometheus notfound metric on tempo-vulture. #301
• [BUGFIX] Return 404 if searching for a tenant id that does not exist in the backend. #321
• [BUGFIX] Prune in-memory blocks from missing tenants. #314