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Featured Sites

  • Ashby20 website screenshot

The ALDI Ashby 20 site provides information about the Asbhy 20 road race and uses an e-commerce system to take online entries.

Affiliations

  • Guild of Accessible Web Designers Logo
  • UK Web Design Association Logo
  • webmasters lookup logo
  • Nominet logo
  • Centralnic logo
  • Melbourne IT logo

Locking across a cluster in ColdFusion

When implementing high traffic websites in ColdFusion MX, it is often required that a website is hosted in a clustered, load balanced environment which can lead to many challenges in itself.

One such challenge is maintaining control of possible race conditions that could corrupt data if they were allowed to occur. The cflock tag is constrained by the machine it is running on and cannot cause a lock to be enforced across a group of machines in order to maintain a critical section. Even if the load balancin