SIGMOD 2009 Programming Contest

I just noticed that there’s a programming contest at SIGMOD this year. The problem is relatively simple and tractable, although there are some interesting wrinkles:

  • The data is inserted “online” by 50 concurrent threads, which means there is no opportunity to do offline bulk build/reorganization of the index.
  • Solutions need to provide serializability, including avoiding the “phantom problem” (although that shouldn’t be too hard: next-key locking should work).
  • Solutions are also penalized when they fail to meet a response-time SLA, which makes good performance about more than merely maximizing throughput.
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