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Caching improvements#

I spent some time analyzing what kinds of requests are issued from the wiki to the Page and Attachment providers in an effort to figure out why large wikis (1000+ pages) with lots of links and large pages become slow.

We have our own custom Page and Attachment providers which request content from a remote machine. This causes a 10 millisecond delay in every request. Booting up a wiki like this takes ages (10 minutes on 2.4GHz pentium) mainly due to caching inefficiency.

There are multiple factors that cause this:

  • Page and Attachment provider implementations can differ
  • There is no Attachment cache
  • Cache configuration errors make life difficult
  • There were some bugs in the caching implementation

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« This particular version was published on 01-Sep-2003 17:02 by 212.226.212.119.