Excerpts from Robert Haas's message of jue sep 22 12:18:47 -0300 2011:
> I've also added a lengthy README file to the patch that attempts to
> explain how barriers should be used in PostgreSQL coding.
Very enlightening, thanks. Note a typo "laods".
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Álvaro Herrera <alvherre(at)commandprompt(dot)com>
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