By
Lwan
LwanLwan
Platform as a ServiceWhat is Lwan?
In development for almost 3 years, Lwan was until now a personal research effort that focused mostly on building a solid infrastructure for a lightweight and speedy web server.
Lwan is a tool in the Platform as a Service category of a tech stack.
Key Features
Low memory footprint (~500KiB for 10k idle connections)Minimal memory allocations & copiesMinimal system callsHand-crafted HTTP request parserStatic file serving uses the most efficient way according to file sizeNo copies between kernel and userland for files larger than 16KiBSmaller files are sent using vectored I/OHeader overhead is considered before considering deflate compressionMostly wait-free multi-threaded designOne thread accepts connections, one I/O thread per logical CPU handles themHand-crafted coroutines makes asynchronous I/O a breeze in CLinux only, as it relies on epoll()Purpose-built I/O loopEfficient loading cache used forDirectory listingFile information (size, last modified date, MIME type, etc)Compressed filesDiminute codebase with roughly 7200 lines of C code
Lwan Pros & Cons
Pros of Lwan
- ✓C and Lua Scripting
- ✓Free
- ✓High-performance http server
- ✓Performance
Cons of Lwan
No cons listed yet.
Lwan Alternatives & Comparisons
What are some alternatives to Lwan?
NGINX
nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.
WordPress
The core software is built by hundreds of community volunteers, and when you’re ready for more there are thousands of plugins and themes available to transform your site into almost anything you can imagine. Over 60 million people have chosen WordPress to power the place on the web they call “home” — we’d love you to join the family.
Apache HTTP Server
The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet.
