Load Balancing Roundup

Location: Regency 1 Level: Intermediate
Average rating: **...
(2.00, 22 ratings)

There’re lots of load balancing algorithms:

- Stupid L4 (round robin)
- Slightly smarter L4 (least connection, weighted RR, etc)
- L7, or inspection based load balancing.
- Perlbal. Guess that’s also L7

In this session we’ll briefly go over each of the basic load balancing algorithms as they’re implemented in popular open source load balancers.

In a second half we’ll show some synthetic load testing situations to illustrate how traffic handles under the different algorithms.

Noticed your servers overloading all the time? Perhaps they’re idle 50% of the time? Want to minimize latency? You might want a thorough understanding of load balancing.

Alan Kasindorf

Six Apart

Kasindorf is the MySQL DBA for Six Apart’s properties, as well as many of their scaling tools. A sysadmin for livejournal.com in 2002, he has since helped build numerous large web sites with open source software and is an advocate and contributor for Memcached, mogilefs, perlbal, and others.

  • Keynote Systems
  • Google
  • Shopzilla
  • Aptimize
  • Facebook
  • NeuStar
  • Rackspace Cloud
  • Schooner Information Technology
  • SoftLayer
  • SpringSource
  • Sun Microsystems

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