github.com/thanos-io/thanos

Fixed

• #8374 Query: fix panic when concurrently accessing annotations map
• #8375 Query: fix native histogram buckets in distributed queries

Fixes a memory leak issue on query-frontend. The bug only affects v0.39.0.

Fixed

• #8349 Query-Frontend: properly clean up resources
• #8338 Query-Frontend: use original roundtripper + close immediately

In short: there are a bunch of fixes and small improvements. The shining items in this release are memory usage improvements in Thanos Query and shuffle sharding support in Thanos Receiver. Information about shuffle sharding support is available in the documentation. Thank you to all contributors!

Added

• #8308 Receive: Prometheus counters for pending write requests and series requests
• #8225 tools: Extend bucket ls options.
• #8238 Receive: add shuffle sharding support
• #8284 Store: Add --disable-admin-operations Flag to Store Gateway
• #8245 Querier/Query-Frontend/Ruler: Add --enable-feature=promql-experimental-functions flag option to enable using promQL experimental functions in respective Thanos components
• #8259 Shipper: Add --shipper.skip-corrupted-blocks flag to allow Sync() to continue upload when finding a corrupted block

Changed

• #8282 Force sync writes to meta.json in case of host crash
• #8192 Sidecar: fix default get config timeout
• #8202 Receive: Unhide --tsdb.enable-native-histograms flag
• #8315 Query-Frontend: only ready if downstream is ready

Removed

• #8289 Receive: breaking :warning: Removed migration of legacy-TSDB to multi-TSDB. Ensure you are running version >0.13

Fixed

• #8199 Query: handle panics or nil pointer dereference in querier gracefully when query analyze returns nil
• #8211 Query: fix panic on nested partial response in distributed instant query
• #8216 Query/Receive: fix iter race between next() and stop() introduced in https://github.com/thanos-io/thanos/pull/7821.
• #8212 Receive: Ensure forward/replication metrics are incremented in err cases
• #8296 Query: limit LazyRetrieval memory buffer size

Fixed

• #8091 *: Add POST into allowed CORS methods header
• #8046 Query-Frontend: Fix query statistic reporting for range queries when caching is enabled.
• #7978 Receive: Fix deadlock during local writes when split-tenant-label-name is used
• #8016 Query Frontend: Fix @ modifier not being applied correctly on sub queries.

Added

• #7907 Receive: Add --receive.grpc-service-config flag to configure gRPC service config for the receivers.
• #7961 Store Gateway: Add --store.posting-group-max-keys flag to mark posting group as lazy if it exceeds number of keys limit. Added thanos_bucket_store_lazy_expanded_posting_groups_total for total number of lazy posting groups and corresponding reasons.
• #8000 Query: Bump promql-engine, pass partial response through options
• #7353 #8045 Receiver/StoreGateway: Add --matcher-cache-size option to enable caching for regex matchers in series calls.
• #8017 Store Gateway: Use native histogram for binary reader load and download duration and fixed download duration metric. #8017
• #8131 Store Gateway: Optimize regex matchers for .* and .+. #8131
• #7808 Query: Support chain deduplication algorithm.
• #8158 Rule: Add support for query offset.
• #8110 Compact: implement native histogram downsampling.
• #7996 Receive: Add OTLP endpoint.

Changed

• #7890 Query,Ruler: breaking :warning: deprecated --store.sd-file and --store.sd-interval to be replaced with --endpoint.sd-config and --endpoint-sd-config-reload-interval; removed legacy flags to pass endpoints --store, --metadata, --rule, --exemplar.
• #7012 Query: Automatically adjust max_source_resolution based on promql query to avoid querying data from higher resolution resulting empty results.
• #8118 Query: Bumped promql-engine
• #8135 Query: respect partial response in distributed engine
• #8181 Deps: bump promql engine

Removed