Pingora 0.2.0

0.2.0 - 2024-05-10

🚀 Features

• Add support for downstream h2 trailers and add an upstream h2 response trailer filter
• Add the ability to set TCP recv buf size
• Add a convenience function to retrieve Session digest
• Add body_bytes_read() method to Session
• Add cache_not_modified_filter
• Add SSLKEYLOG support for tls upstream
• Add Service<HttpProxy<T>> constructor for providing name
• Add purge_response callback
• Make pop_closed pub, to simplify DIY drains

🐛 Bug Fixes

• Fixed gRPC trailer proxying
• Fixed response_body_filter end_of_stream always being false
• Fixed compile error in Rust <= 1.73
• Fixed non linux build
• Fixed the counting problem of used_weight data field in LruUnit<T>
• Fixed cargo run --example server missing cert
• Fixed error log string interpolation outside of proper context
• Fixed tinylfu test flake

⚙️ Changes and Miscellaneous Tasks

• API change: Server::run_forever now takes ownership and ensures exit semantics
• API change: cleanup() method of ServerApp trait is now async
• Behavior change: Always return HttpTask::Body on body done instead of HttpTask::done
• Behavior change: HTTP/1 reason phrase is now parsed and proxied
• Updated h2 dependency for RUSTSEC-2024-0332
• Updated zstd dependencies
• Code optimization and refactor in a few crates
• More examples and docs

Pingora 0.1.1

0.1.1 - 2024-04-05

🚀 Features

• Server::new now accepts Into<Option<T>>
• Implemented client HttpSession::get_keepalive_values for Keep-Alive parsing
• Expose ListenFds and Fds to fix a voldemort types issue
• Expose config options in ServerConf, provide new Server constructor
• upstream_response_filter now runs on upstream 304 responses during cache revalidation
• Added server_addr and client_addr APIs to Session
• Allow body modification in response_body_filter
• Allow configuring grace period and graceful shutdown timeout
• Added TinyUFO sharded skip list storage option

🐛 Bug Fixes

• Fixed build failures with the boringssl feature
• Fixed compile warnings with nightly Rust
• Fixed an issue where Upgrade request bodies might not be handled correctly
• Fix compilation to only include openssl or boringssl rather than both
• Fix OS read errors so they are reported as ReadError rather than ReadTimeout when reading http/1.1 response headers

⚙️ Miscellaneous Tasks

• Performance improvements in pingora-ketama
• Added more TinyUFO benchmarks
• Added tests for pingora-cache purge
• Limit buffer size for InvalidHTTPHeader error logs
• Example code: improvements in pingora client, new LB cluster example
• Typo fixes and clarifications across comments and docs

Pingora 0.1.0

Highlights

• First Public Release of Pingora 🎉