Zwaenepoel, Willy2009-06-042009-06-042003Chanda, Anupam. "An efficient threading model to boost server performance." (2003) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/17583">https://hdl.handle.net/1911/17583</a>.https://hdl.handle.net/1911/17583Multi-threading is a popular choice for server architecture. Widely used servers, like the Apache web server and the MySQL database server, are written in a multi-threaded fashion. We investigate the effects of thread architecture on server performance from two angles: (1) number of user threads per kernel thread, and (2) use of blocking I/O vs. non-blocking I/O. We propose N-to-M threads with non-blocking I/O, a novel threading model, to provide higher performance for servers, and explain its advantages over other existing thread architectures, viz., 1-to-1 threads with blocking I/O, N-to-1 threads with non-blocking I/O, and N-to-M threads with blocking I/O. We demonstrate the efficacy of this threading model by showing performance improvement for Apache and MySQL. Results show that our threading model provides a performance improvement of 10--22% for Apache (for synthetic and real workloads), and 10--17% for MySQL (for TPC-W workload) over existing thread models.37 p.application/pdfengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.Computer scienceThesisTHESIS COMP.SCI. 2003 CHANDA