Excerpts from Josh Berkus's message of lun mar 21 13:47:21 -0300 2011:
> We already did that, actually, when we implemented ARC: effectively gave
> PostgreSQL a 3-level cache. The results were not very good, although
> the algorithm could be at fault there.
Was it really all that bad? IIRC we replaced ARC with the current clock
sweep due to patent concerns. (Maybe there were performance concerns as
well, I don't remember).
--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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