Scalable kernel performance for Internet servers under realistic loads

Gaurav Banga
Dept. of Computer Science, Rice University, Houston, TX, 77005, gaurav@cs.rice.edu
Jeffrey C Mogul
Western Research Laboratory, Digital Equipment Corporation, Palo Alto, CA, 94301, mogul@pa.dec.com

 
• Introduction
• Background
  • Event-driven servers
  • select()
  • ufalloc()
• Problems in select() and ufalloc()
• Scalable select() and ufalloc()
  • select()
  • ufalloc()
• Experimental Evaluation
  • Scalability with respect to connection rate
  • Scalability with respect to connection count
• Performance of a live system
  • Effect of request rate on CPU load
  • Profile results
  • Data cache effects
• Related Work
• Conclusion
• Acknowledgments
• References

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