thanos-io/thanos v0.20.0-rc.0

on GitHub

Highlights

• Upgrade Go version to 1.16
• Upgrade Prometheus & Alertmanager.
• Query: Added federated exemplars API support.
• UI: Make the ReactUI the default one.
• UI: Enable Targets page in Querier UI.
• UI: Add new codemirror-promql-based expression editor.
• Query Frontend: Support max_item_size in Query frontend Memcached cache.
• Tools: Added a flag to support rewrite Prometheus TSDB blocks.

Added

• #4029 Mixin: Remove dependency on the rule dashboard when generating the compact dashboard
• #4019 Query: Adds query range histogram.
• #3846 Query: Added federated exemplars API support.
• #3350 Query/Sidecar: Added targets API support. You can now configure your Querier to fetch Prometheus targets from leaf Prometheus-es!
• #3977 Expose exemplars for http_request_duration_seconds histogram if tracing is enabled.
• #3903 Store: Returning custom gRPC code when reaching series/chunk limits.
• #3919 Allow to disable automatically setting CORS headers using --web.disable-cors flag in each component that exposes an API.
• #3840 Tools: Added a flag to support rewrite Prometheus TSDB blocks.
• #3920 Query Frontend: Support max_item_size in Query frontend Memcached cache.

Fixed

• #3204 Mixin: Use sidecar's metric timestamp for healthcheck.
• #3922 *: Fix panic in http logging middleware.
• #3960 Ruler: Fix deduplication of equal alerts with different labels.
• #3937 Store: Fix race condition in chunk pool.
• #4017 Query Frontend: fix downsampling iterator returning duplicate samples.
• #4041 Logging: fix the HTTP logger.

Changed

• #3929 Store: Adds the name of the instantiated memcached client to log info.
• #3827 Upgrade Go version to 1.16
• #3948 Receiver: Adjust http_request_duration_seconds buckets for low latency requests.
• #3856 Mixin: breaking ⚠️ Introduce flexible multi-cluster/namespace mode for alerts and dashboards. Removes jobPrefix config option. Removes namespace by default.
• #3937 Store: Reduce memory usage for range queries.
• #4045 UI: Enable Targets page in Querier UI.
• #4062 Flags: Sort flags alphabetically.
• #4081 UI: Make the ReactUI the default one.
• #4094 *: Upgrade Prometheus & Alertmanager.