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Prometheus v2.3.0 Release Notes

Release Date: 2018-06-05 // almost 6 years ago
    • [CHANGE] marathon_sd: use auth_token and auth_token_file for token-based authentication instead of bearer_token and bearer_token_file respectively.
    • [CHANGE] Metric names for HTTP server metrics changed
    • [FEATURE] Add query commands to promtool
    • 🔒 [FEATURE] Add security headers to HTTP server responses
    • [FEATURE] Pass query hints via remote read API
    • 🔧 [FEATURE] Basic auth passwords can now be configured via file across all configuration
    • ⚡️ [ENHANCEMENT] Optimize PromQL and API serialization for memory usage and allocations
    • 💻 [ENHANCEMENT] Limit number of dropped targets in web UI
    • 🐎 [ENHANCEMENT] Consul and EC2 service discovery allow using server-side filtering for performance improvement
    • 🔧 [ENHANCEMENT] Add advanced filtering configuration to EC2 service discovery
    • 👍 [ENHANCEMENT] marathon_sd: adds support for basic and bearer authentication, plus all other common HTTP client options (TLS config, proxy URL, etc.)
    • 📇 [ENHANCEMENT] Provide machine type metadata and labels in GCE service discovery
    • [ENHANCEMENT] Add pod controller kind and name to Kubernetes service discovery data
    • 🐳 [ENHANCEMENT] Move TSDB to flock-based log file that works with Docker containers
    • 🛠 [BUGFIX] Properly propagate storage errors in PromQL
    • 🛠 [BUGFIX] Fix path prefix for web pages
    • 🛠 [BUGFIX] Fix goroutine leak in Consul service discovery
    • 🛠 [BUGFIX] Fix races in scrape manager
    • 🛠 [BUGFIX] Fix OOM for very large k in PromQL topk() queries
    • 🛠 [BUGFIX] Make remote write more resilient to unavailable receivers
    • 🛠 [BUGFIX] Make remote write shutdown cleanly
    • 🛠 [BUGFIX] Don't leak files on errors in TSDB's tombstone cleanup
    • 🛠 [BUGFIX] Unary minus expressions now removes the metric name from results
    • 🛠 [BUGFIX] Fix bug that lead to wrong amount of samples considered for time range expressions