Accept() scalability on Linux

Authors:
Stephen P. Molloy;Chuck Lever
Affiliations:
University of Michigan, Ann Arbor;Sun-Netscape Alliance, University of Michigan, Ann Arbor
Venue:
ATEC '00 Proceedings of the annual conference on USENIX Annual Technical Conference
Year:
2000

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Abstract

This report explores the possible effects of a "thundering herd" problem associated with the Linux implementation of the POSIX accept() system call. We discuss the nature of the problem and how it may affect the scalability of the Linux kernel. In addition, we identify candidate solutions and considerations to keep in mind. Finally, we present a solution and benchmark it, giving a description of the benchmark methodology and the results of the benchmark.